PPSI / Pioneer Power Solutions, Inc. - SEC फाइलिंग, वार्षिक रिपोर्ट, प्रॉक्सी स्टेटमेंट

पायनियर पावर सॉल्यूशंस, इंक.
US ˙ NasdaqCM ˙ US7238363003

मूलभूत आँकड़े
CIK 1449792
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Pioneer Power Solutions, Inc.
SEC Filings (Chronological Order)
यह पृष्ठ SEC फाइलिंग की एक पूरी, कालानुक्रमिक सूची प्रदान करता है, ओनरशिप फाइलिंग को छोड़कर, जो हम अन्यत्र प्रदान करते हैं।
August 14, 2025 EX-99.1

Pioneer Power Reports Robust Revenue Growth of 147% in Second Quarter 2025 Q2 Revenue of $8.4 Million; First-Half 2025 Revenue Grows 125% to $15.1 Million Reaffirms Full-Year 2025 Revenue Guidance of $27 Million to $29 Million

Exhibit 99.1 Pioneer Power Reports Robust Revenue Growth of 147% in Second Quarter 2025 Q2 Revenue of $8.4 Million; First-Half 2025 Revenue Grows 125% to $15.1 Million Reaffirms Full-Year 2025 Revenue Guidance of $27 Million to $29 Million FORT LEE, N.J., August 14, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture,

August 14, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name of

August 14, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2025 PIONEER POWER SOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2025 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Comm

June 24, 2025 EX-99.1

Powering Ahead: Pioneer Power Secures $10 Million Multi-year e-Boost Award Partners with Largest U.S. Charging-as-a-Service (“CaaS”) Company to Accelerate e-Boost Deployment

Exhibit 99.1 Powering Ahead: Pioneer Power Secures $10 Million Multi-year e-Boost Award Partners with Largest U.S. Charging-as-a-Service (“CaaS”) Company to Accelerate e-Boost Deployment FORT LEE, N.J., June 24, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture, service and integration of distributed energy resource

June 24, 2025 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 24, 2025 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Commis

May 15, 2025 EX-99.1

Pioneer Power Announces Financial Results for First Quarter 2025 Revenue Growth of 103% to $6.7 million Reaffirms Full-Year 2025 Revenue Guidance of $27 million to $29 Million Management to Host Conference Call at 4:30 pm ET on Monday, May 19, 2025

Exhibit 99.1 Pioneer Power Announces Financial Results for First Quarter 2025 Revenue Growth of 103% to $6.7 million Reaffirms Full-Year 2025 Revenue Guidance of $27 million to $29 Million Management to Host Conference Call at 4:30 pm ET on Monday, May 19, 2025 FORT LEE, N.J., May 15, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the d

May 15, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

May 15, 2025 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2025 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Commiss

April 15, 2025 EX-99.1

Pioneer Power Announces Financial Results for Fourth Quarter and Full Year 2024 Reports Full Year Revenue Growth of 106% and Diluted EPS of $2.90 Reaffirms Full-Year 2025 Revenue Guidance of $27 million to $29 Million Management to Host Conference Ca

Exhibit 99.1 Pioneer Power Announces Financial Results for Fourth Quarter and Full Year 2024 Reports Full Year Revenue Growth of 106% and Diluted EPS of $2.90 Reaffirms Full-Year 2025 Revenue Guidance of $27 million to $29 Million Management to Host Conference Call Today at 4:30 pm ET FORT LEE, N.J., April 15, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Co

April 15, 2025 EX-21.1

List of subsidiaries

Exhibit 21.1 PIONEER POWER SOLUTIONS, INC. Subsidiaries (all 100% owned) Subsidiaries of the Registrant State or Other Jurisdiction of Incorporation Titan Energy Systems Inc. Minnesota

April 15, 2025 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 15, 2025 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Commi

April 15, 2025 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of April 11, 2025, Pioneer Power Solutions, Inc., a Delaware corporation (“we,” “our” and the “Company”), has common stock, par value $0.001 per share, registered under Section 12 of the Securities Exchange Act of 1934, as amended. The foregoing description is intended as a summary and

April 15, 2025 EX-19.1

Insider Trading Policy.

Exhibit 19.1 PIONEER POWER SOLUTIONS, INC. TO: All Employees, Officers, Directors and Consultants FROM: Nathan J. Mazurek, President, Chief Executive Officer and Chairman of the Board SUBJECT: Pioneer Power Solutions, Inc. Insider Trading Policy Purpose This Insider Trading Policy (the “Policy”) provides guidelines with respect to transactions in the securities of Pioneer Power Solutions, Inc. (th

April 15, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35212 PIONEER POWER

April 1, 2025 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Per

February 19, 2025 EX-99.1

Pioneer Power Announces Preliminary Q4 and Full Year 2024 Financial Results Preliminary Fourth Quarter 2024 Revenue from Continuing Operations of $9.8 Million; Up 265% Year-Over-Year

Exhibit 99.1 Pioneer Power Announces Preliminary Q4 and Full Year 2024 Financial Results Preliminary Fourth Quarter 2024 Revenue from Continuing Operations of $9.8 Million; Up 265% Year-Over-Year FORT LEE, N.J., February 19, 2025 /BusinessWire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture, service and integration of distributed en

February 19, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2025 PIONEER POWER S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 19, 2025 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Co

December 6, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Com

November 26, 2024 8-K

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 26, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 20, 2024 8-K

Changes in Registrant's Certifying Accountant, Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 20, 2024 EX-99.1

C O R P O R A T E P A R T I C I P A N T S

Exhibit 99.1 C O R P O R A T E P A R T I C I P A N T S Brett Maas, Hayden Investor Relations Nathan Mazurek, Chairman and Chief Executive Officer Walter Michalec, Chief Financial Officer Geo Murickan, President and CEO of Pioneer Power eMobility C O N F E R E N C E C A L L P A R T I C I P A N T S Robert Brown, Lake Street Capital Markets Sameer Joshi, H.C. Wainwright & Co. Robert Romano, Private I

November 20, 2024 EX-16.1

Letter from Marcum LLP to the Securities and Exchange Commission dated November 20, 2024

Exhibit 16.1 November 20, 2024 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Pioneer Power Solutions, Inc. under Item 4.01 of its Form 8-K dated November 14, 2024. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of Pioneer Power Solu

November 15, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 14, 2024 EX-99.1

Pioneer Power Reports Financial Results for Third Quarter 2024 Critical Power Business Segment Revenue Up 130% Declares One-time Special Cash Dividend of $1.50 per share Guides to $27 Million to $29 Million of Revenue for 2025

Exhibit 99.1 Pioneer Power Reports Financial Results for Third Quarter 2024 Critical Power Business Segment Revenue Up 130% Declares One-time Special Cash Dividend of $1.50 per share Guides to $27 Million to $29 Million of Revenue for 2025 FORT LEE, N.J., Nov. 14, 2024 /Business Wire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture,

November 14, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact na

November 14, 2024 8-K

Results of Operations and Financial Condition, Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 4, 2024 EX-99.1

UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION (in thousands, except share and per share amounts)

Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION (in thousands, except share and per share amounts) Overview On October 29, 2024, Pioneer Power Solutions, Inc. (the “Company” or “Pioneer Power”) entered into an Equity Contribution and Purchase Agreement (the “Equity Purchase Agreement”), by and among the Company, Pioneer Custom Electrical Products, LLC, a wholly owned

November 4, 2024 8-K

Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Com

November 4, 2024 EX-2.1

Equity Contribution and Purchase Agreement, dated as of October 29, 2024, by and among Pioneer Power Solutions, Inc., Pioneer Custom Electrical Products, LLC, Voltaris Power LLC and Pioneer Investment LLC (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on November 4, 2024).

Exhibit 2.1 Execution Version Equity CONTRIBUTION & purchase agreement by and among Pioneer power solutions, inc., PIONEER CUSTOM ELECTRICAL PRODUCTS, LLC voltaris power LLC and PIONEER INVESTMENT LLC Dated as of October 29, 2024 Table of Contents Page ARTICLE I DEFINITIONS 1 ARTICLE II PURCHASE AND SALE 2 2.1 Contribution & Purchase 2 2.2 Purchase Price & Rollover Units 2 2.3 Closing Date Net Pur

October 30, 2024 EX-99.1

Pioneer Announces Sale of its Pioneer Custom Electrical Products, LLC Business Unit, Including E-Bloc Total Consideration of $50 million in cash and equity including the assumption of certain liabilities Management to Host Investor Conference Call at

Exhibit 99.1 Pioneer Announces Sale of its Pioneer Custom Electrical Products, LLC Business Unit, Including E-Bloc Total Consideration of $50 million in cash and equity including the assumption of certain liabilities Management to Host Investor Conference Call at 4:30 pm ET on October 30, 2024 FORT LEE, N.J., October 30, 2024 /Business Wire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer

October 30, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2024 PIONEER POWER SO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 30, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (

October 17, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive

October 17, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

October 8, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name of

September 10, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

August 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2024 PIONEER POWER SOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 21, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I

August 23, 2024 EX-99.1

Pioneer Receives Notification of Delinquency from Nasdaq

Exhibit 99.1 Pioneer Receives Notification of Delinquency from Nasdaq FORT LEE, N.J., August 23, 2024 /Business Wire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture, service and integration of electrical power systems, distributed energy resources, power generation equipment and mobile electric vehicle (“EV”) charging solutions, tod

August 15, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: June 30, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period

July 26, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35212 PIONEER POWER

July 26, 2024 EX-97.1

Clawback Policy.

Exhibit 97.1 PIONEER POWER SOLUTIONS, INC. Compensation Recovery Policy This Compensation Recovery Policy (this “Policy”) of Pioneer Power Solutions, Inc. (the “Company”) is hereby adopted as of November 9, 2023 in compliance with Rule 5608 of the Nasdaq Rules. Certain terms used herein shall have the meanings set forth in “Section 3. Definitions” below. Section 1. Recovery Requirement Subject to

July 26, 2024 EX-4.1

Description of Securities.

Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of July 25, 2024, Pioneer Power Solutions, Inc., a Delaware corporation (“we,” “our” and the “Company”), has common stock, par value $0.001 per share, registered under Section 12 of the Securities Exchange Act of 1934, as amended. The foregoing description is intended as a summary and

June 6, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 PIONEER POWER SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R.

May 30, 2024 EX-99.1

Pioneer Receives Notification of Delinquency from Nasdaq

Exhibit 99.1 Pioneer Receives Notification of Delinquency from Nasdaq FORT LEE, N.J., May 30, 2024 /Business Wire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture, service and integration of electrical power systems, distributed energy resources, power generation equipment and mobile electric vehicle (“EV”) charging solutions, today

May 30, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2024 PIONEER POWER SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R.

May 16, 2024 NT 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: March 31, 2024 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Period

April 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2024 PIONEER POWER SOLU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.

April 23, 2024 EX-99.1

Pioneer Receives Nasdaq Notification of Non-Compliance Related to Delayed Annual Report on Form 10-K Expects to File 10-K for Year Ended December 31, 2023 in the Coming Weeks

Exhibit 99.1 Pioneer Receives Nasdaq Notification of Non-Compliance Related to Delayed Annual Report on Form 10-K Expects to File 10-K for Year Ended December 31, 2023 in the Coming Weeks FORT LEE, N.J., April 23, 2024 /Business Wire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a leader in the design, manufacture, service and integration of electrical power systems

April 2, 2024 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2023 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Per

April 1, 2024 EX-99.1

Pioneer Achieves 51% Year-Over-Year Increase in Revenue, Reaching $40.8 Million Delivers Positive Full-Year Net Income vs. Net Loss in 2022; Backlog Surges to $46 Million; up 36% Sequentially; Expects Continued, Rapid Growth in Revenue, EPS and Opera

Exhibit 99.1 Pioneer Achieves 51% Year-Over-Year Increase in Revenue, Reaching $40.8 Million Delivers Positive Full-Year Net Income vs. Net Loss in 2022; Backlog Surges to $46 Million; up 36% Sequentially; Expects Continued, Rapid Growth in Revenue, EPS and Operating Margins in 2024; Guides to $52 to $54 Million in Revenue and $0.31 to $0.34 in EPS for Full-Year 2024 FORT LEE, N.J., April 1, 2024

April 1, 2024 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 1, 2024 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R

January 2, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 26, 2023 PIONEER POWER S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 26, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of (Commission (I.R.S. Employer incorporati

January 2, 2024 EX-10.2

First Amendment to Employment Agreement, dated December 26, 2023, by and between Pioneer Power Solutions, Inc. and Wojciech (Walter) Michalec (Incorporated by reference to Exhibit 10.2 to the Form 8-K filed with the Securities and Exchange Commission on January 2, 2024).

Exhibit 10.2 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This FIRST Amendment to Employment Agreement (this “Amendment”) is made and into entered as of this 26th day of December, 2023, (the “Amendment Effective Date”) by and between Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”), and Wojciech (Walter) Michalec (the “Executive”) for purposes of amending that certain Employment Ag

January 2, 2024 EX-10.1

Fifth Amendment to Employment Agreement, dated December 26, 2023, by and between Pioneer Power Solutions, Inc. and Nathan J. Mazurek (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the Securities and Exchange Commission on January 2, 2024).

Exhibit 10.1 FIFTH AMENDMENT TO EMPLOYMENT AGREEMENT This FIFTH Amendment to Employment Agreement (this “Amendment”) is made and entered into as of this 26th day of December, 2023, (the “Amendment Effective Date”) by and between Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”), and Nathan J. Mazurek (the “Executive”) for purposes of amending that certain Employment Agreement,

November 14, 2023 EX-99.1

Pioneer’s Third Quarter Revenue Increases 99.1% to a Record $12.4 Million; Grows Profitability to $0.10 in Quarterly EPS Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positive EPS; Company Maintains $33.6 Millio

Exhibit 99.1 Pioneer’s Third Quarter Revenue Increases 99.1% to a Record $12.4 Million; Grows Profitability to $0.10 in Quarterly EPS Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positive EPS; Company Maintains $33.6 Million Backlog after Record Revenue Quarter FORT LEE, N.J., November 14, 2023 /PRNewswire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pi

November 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact na

November 14, 2023 EX-10.3

First Amendment Pioneer Power Solutions, Inc. 2021 Long-Term Incentive Plan (Incorporated by reference to Exhibit 10.3 to the Form 10-Q filed with the Securities and Exchange Commission on November 14, 2023).

Exhibit 10.3 First AMENDMENT TO Pioneer power Solutions, Inc. 2021 Long-Term Incentive Plan This FIRST AMENDMENT TO Pioneer Power Solutions, Inc. Long-Term INCENTIVE PLAN (this “Amendment”), effective as of September 20, 2023, is made and entered into by Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”). Terms used in this Amendment with initial capital letters that are not oth

November 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2023 PIONEER POWER S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 13, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State or other jurisdiction of incorporation) (Com

September 22, 2023 EX-10.1

Letter Agreement, dated September 20, 2023, by and between Pioneer Power Solutions, Inc. and Walter Michalec (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the Securities and Exchange Commission on September 22, 2023).

Exhibit 10.1 Letter Agreement This letter agreement (the “Agreement”) is being entered into as of September 20, 2023, by and between Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”), and Walter Michalec, Chief Financial Officer of the Company (the “Executive Officer”). RECITALS: WHEREAS, in accordance with Section 4.4 of that certain Executive Officer’s Employment Agreement, d

September 22, 2023 EX-10.2

Letter Agreement, dated September 20, 2023, by and between Pioneer Power Solutions, Inc. and Nathan Mazurek (Incorporated by reference to Exhibit 10.2 to the Form 8-K filed with the Securities and Exchange Commission on September 22, 2023).

Exhibit 10.2 Letter Agreement This letter agreement (the “Agreement”) is being entered into as of September 20, 2023, by and between Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”), and Nathan Mazurek, Chief Executive Officer of the Company (the “Executive Officer”). RECITALS: WHEREAS, in accordance with Section 1.07 of that certain Executive Officer’s Employment Agreement, d

September 22, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 20, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

September 21, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive

September 21, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

September 7, 2023 CORRESP

Pioneer Power Solutions, Inc. 400 Kelby Street, 12th Floor Fort Lee, New Jersey 07024

Pioneer Power Solutions, Inc. 400 Kelby Street, 12th Floor Fort Lee, New Jersey 07024 September 7, 2023 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549 Attention: Eranga Dias Re: Pioneer Power Solutions, Inc. Registration Statement on Form S-3 Filed on August 30, 2023 File No. 333-274266 (the “Registration Statement”) Request for Acceleratio

September 5, 2023 EX-99.1

Pioneer Power’s Momentum Continues, Winning $7 Million in E-Bloc and Other Related Equipment Orders during August, Supporting Increased Growth Expectations for 2024 Additional Purchase Orders from a Variety of Customers for Diverse Use-Cases includin

Exhibit 99.1 Pioneer Power’s Momentum Continues, Winning $7 Million in E-Bloc and Other Related Equipment Orders during August, Supporting Increased Growth Expectations for 2024 Additional Purchase Orders from a Variety of Customers for Diverse Use-Cases including Electric Vehicle Supercharging Stations, Demonstrating Broad-Based Adoption of Pioneer’s Unique Distributed Generation Solution FORT LE

September 5, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 5, 2023 PIONEER POWER S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 5, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of (Commission (I.R.S. Employer incorporati

August 30, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Pioneer Power Solutions, Inc.

August 30, 2023 S-3

As filed with the Securities and Exchange Commission on August 30, 2023

As filed with the Securities and Exchange Commission on August 30, 2023 Registration No.

August 14, 2023 EX-99.1

Pioneer Power Increases Revenue 149% during the Second Quarter to a Record $12.1 Million; Gross Profit Increases to $2.7 Million, Achieving a 22% Gross Margin Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positi

Exhibit 99.1 Pioneer Power Increases Revenue 149% during the Second Quarter to a Record $12.1 Million; Gross Profit Increases to $2.7 Million, Achieving a 22% Gross Margin Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positive EPS; Company Maintains $33.6 Million Backlog FORT LEE, N.J., August 14, 2023 /PRNewswire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPS

August 14, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2023 PIONEER POWER SOL

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I

August 14, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name of

May 15, 2023 EX-99.1

Pioneer Power Revenue Increases 34% to $8.5 Million from Prior Year Quarter; Company Reports Earnings Per Share of $0.01 Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positive EPS; Company Maintains $37.2 Millio

Exhibit 99.1 Pioneer Power Revenue Increases 34% to $8.5 Million from Prior Year Quarter; Company Reports Earnings Per Share of $0.01 Management Reiterates Guidance of Full Year Revenue of $42 to $45 Million, Full year positive EPS; Company Maintains $37.2 Million Backlog with Strong Quarterly Revenue Growth FORT LEE, N.J., May 15, 2023 /PRNewswire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (

May 15, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

May 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2023 PIONEER POWER SOLUTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 15, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R.

April 11, 2023 EX-4.1

Description of Securities

Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of April 11, 2023 Pioneer Power Solutions, Inc., a Delaware corporation (“we,” “our” and the “Company”) has our common stock, par value $0.001 per share registered under Section 12 of the Securities Exchange Act of 1934, as amended. The foregoing description is intended as a summary an

April 11, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35212 PIONEER POWER

April 3, 2023 NT 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check one): ☒ Form 10-K ☐ Form 20-F ☐ Form 11-K ☐ Form 10-Q ☐ Form 10D ☐ Form N-CEN ☐ Form N-CSR For Period Ended: December 31, 2022 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Per

March 30, 2023 EX-99.1

Pioneer Power Delivers Quarterly Revenue of $9.5 Million, Up 172% Year-over-Year and 52% Sequentially, Driven by Demand for E-Bloc Solution Full-Year Revenue Up 48% to $27.0 Million, Backlog Grows 63% Year-Over-Year to $37.2 Million; Fourth Quarter E

Exhibit 99.1 Pioneer Power Delivers Quarterly Revenue of $9.5 Million, Up 172% Year-over-Year and 52% Sequentially, Driven by Demand for E-Bloc Solution Full-Year Revenue Up 48% to $27.0 Million, Backlog Grows 63% Year-Over-Year to $37.2 Million; Fourth Quarter Earnings per Share of $0.10; Management Expects Positive EPS for Full-Year of 2023; Company Expects Full Year Revenue Growth of At Least 5

March 30, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 30, 2023 PIONEER POWER SOLU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 30, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.

February 8, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2023 PIONEER POWER SO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 8, 2023 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (

February 8, 2023 EX-99.1

Pioneer Power Expects Full-Year 2022 Revenue Projected to Exceed its 50% Growth Target E-Bloc Solution Drives Robust Organic Growth, Record Revenue and Backlog Since Transformer Division Sale; Accelerating e-Boost Revenue and Continued Strong Demand

Exhibit 99.1 Pioneer Power Expects Full-Year 2022 Revenue Projected to Exceed its 50% Growth Target E-Bloc Solution Drives Robust Organic Growth, Record Revenue and Backlog Since Transformer Division Sale; Accelerating e-Boost Revenue and Continued Strong Demand for E-Bloc Expected to Exceed 2022 Performance in 2023 FORT LEE, N.J., February 8, 2023 /PRNewswire/ — Pioneer Power Solutions, Inc. (Nas

December 28, 2022 EX-99.1

Pioneer Power Confirms Payment in Full of Notes Related to 2019 Sale of Transformer Business Additional $6.2 Million in Cash Significantly Bolsters Balance Sheet

EX-99.1 2 ex99-1.htm Exhibit 99.1 Pioneer Power Confirms Payment in Full of Notes Related to 2019 Sale of Transformer Business Additional $6.2 Million in Cash Significantly Bolsters Balance Sheet FORT LEE, N.J., December 28, 2022 /PRNewswire/ — Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer”, “Pioneer Power” or the “Company”), a leader in the design, manufacture, service and integration of

December 28, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 28, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

December 1, 2022 EX-99.1

Pioneer Wins $5 Million-Plus E-Bloc Order from for California-Based U.S. Water Utility New End-User, Further Expanding E-Bloc Use-Cases and Significantly Increasing E-Bloc Backlog

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Wins $5 Million-Plus E-Bloc Order from for California-Based U.S. Water Utility New End-User, Further Expanding E-Bloc Use-Cases and Significantly Increasing E-Bloc Backlog FORT LEE, N.J., Dec. 1, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (?Pioneer?, ?Pioneer Power? or the ?Company?), a leader in the design, manufacture,

December 1, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 1, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Flo

November 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

November 14, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact na

November 14, 2022 EX-3.1

Amended and Restated Bylaws of Pioneer Power Solutions, Inc. (Incorporated by reference to Exhibit 3.1 to the Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on November 14, 2022).

Pioneer Power Solutions, Inc. 10-Q EXHIBIT 3.1 AMENDED AND RESTATED BYLAWS OF PIONEER POWER SOLUTIONS, INC. (as amended on September 21, 2022) a Delaware corporation ARTICLE 1 OFFICES 1 Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 ARTICLE 2 STOCKHOLDERS? MEETINGS 1 Section 2.1 Place of Meetings 1 Section 2.2 Annual Meetings 2 Section 2.3 Special Meetings 2 Section 2.4 Notice of Meet

November 14, 2022 EX-99.1

Pioneer Reports 10% Revenue Growth for the Third Quarter of 2022, Driven By 79% Growth in E-Bloc Sales Backlog Increases 157% Year-Over-Year and 15% Sequentially to $27.9 Million, Company Reiterates Expectation of 50% Year-over-Year Full Year Revenue

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports 10% Revenue Growth for the Third Quarter of 2022, Driven By 79% Growth in E-Bloc Sales Backlog Increases 157% Year-Over-Year and 15% Sequentially to $27.9 Million, Company Reiterates Expectation of 50% Year-over-Year Full Year Revenue Growth for 2022 FORT LEE, N.J., November 14, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq

November 14, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

October 28, 2022 EX-99.1

Heliox Energy Selects Pioneer’s e-Boost Solution to Recharge VinFast EVs at Port of Entry e-Boost to Ensure Charged EVs are Delivered Quickly to Consumers

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 99.1 Heliox Energy Selects Pioneer’s e-Boost Solution to Recharge VinFast EVs at Port of Entry e-Boost to Ensure Charged EVs are Delivered Quickly to Consumers FORT LEE, N.J., October 28, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer,” "Pioneer Power" or the "Company"), a leader in the design, manufacture, service and integrati

October 28, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 28, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (

October 12, 2022 EX-99.1

One of the World’s Largest Automakers Awards $8 Million Contract to Pioneer Power for E-Bloc Solution Major win with global auto OEM for new EV-focused campus

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 99.1 One of the World?s Largest Automakers Awards $8 Million Contract to Pioneer Power for E-Bloc Solution Major win with global auto OEM for new EV-focused campus FORT LEE, N.J., October 12, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (?Pioneer,? "Pioneer Power" or the "Company"), a leader in the design, manufacture, service and integ

October 12, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 12, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (

September 27, 2022 DEF 14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Sec.

September 27, 2022 DEFA14A

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy Statement ? Definitive Additional Materials ? Soliciting Material Pursuant to Sec.

September 22, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number)

September 22, 2022 EX-3.1

Amendment to Bylaws of Pioneer Power Solutions, Inc.

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 3.1 Amendment to Bylaws of Pioneer Power Solutions, Inc. Pursuant to Article Sixth of the Composite Certificate of Incorporation of Pioneer Power Solutions, Inc., a Delaware corporation (the ?Company?), Article X of the Amended and Restated Bylaws (as amended heretofore, the ?Bylaws?) of the Corporation, and Section 109 of the General Corporation Law of th

August 15, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name of

August 15, 2022 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 15, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I

August 15, 2022 EX-99.1

Pioneer Reports Second Quarter 2022 Financial Results Backlog Increases 98% Year-over-Year and 5% Sequentially to $25 Million, Company Reiterates Expectation of 50% Year-over-Year Full Year Revenue Growth for 2022

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports Second Quarter 2022 Financial Results Backlog Increases 98% Year-over-Year and 5% Sequentially to $25 Million, Company Reiterates Expectation of 50% Year-over-Year Full Year Revenue Growth for 2022 FORT LEE, N.J., August 15, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (?Pioneer?, ?Pioneer Power? or the ?Company?),

June 8, 2022 EX-10.1

Termination Agreement, dated as of June 3, 2022, between Pioneer Power Solutions, Inc. and CleanSpark, Inc. (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the Securities and Exchange Commission on June 8, 2022).

Pioneer Power Solutions, Inc. 8-K Exhibit 10.1 Termination Agreement This Termination Agreement (the ?Agreement?) is made as of June 3, 2022, by and between CleanSpark, Inc., a Nevada corporation (?CleanSpark?) and Pioneer Power Solutions, Inc., a Delaware corporation (?Pioneer?), each a Party (?Party,? collectively the ?Parties?). Recitals WHEREAS, CleanSpark and Pioneer entered into a Distributi

June 8, 2022 8-K

Termination of a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 3, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R.

May 16, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) (Commission File Number) (I.R.

May 16, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

May 16, 2022 EX-99.1

Pioneer Power Increases Revenue 72%, Triples Gross Margin, as e-Bloc and E-BOOST EV-Charging Solutions Drive Growth Backlog Increases to $24 Million, Largest Since Sale of Transformer Business, Reflecting Demand for e-Bloc and E-BOOST Products

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Increases Revenue 72%, Triples Gross Margin, as e-Bloc and E-BOOST EV-Charging Solutions Drive Growth Backlog Increases to $24 Million, Largest Since Sale of Transformer Business, Reflecting Demand for e-Bloc and E-BOOST Products FORT LEE, N.J., May 16, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (?Pioneer,? ?Pioneer

May 9, 2022 8-K

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Floor Fo

April 29, 2022 EX-FILING FEES

Filing Fee Table

Calculation of Filing Fee Table Form S-8 Pioneer Power Solutions, Inc. Security Type Security Class Title Fee Calculation Rule Amount Registered(1) Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (2) Equity Common Stock, par value $0.001 per share Rule 457(c) and Rule 457(h) 1,573,667 (3) $ 4.04 (4) $ 6,357,614.68 $ 0.0000927 $ 589.35 T

April 29, 2022 EX-10.1

Fourth Amendment to Employment Agreement, dated April 25, 2022, by and between Pioneer Power Solutions, Inc. and Nathan J. Mazurek (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the Securities and Exchange Commission on April 29, 2022).

Pioneer Power Solutions, Inc. 8-K Exhibit 10.1 FOURTH AMENDMENT TO EMPLOYMENT AGREEMENT This FOURTH Amendment to Employment Agreement (this ?Amendment?) is made and entered as of this 25th day of April, 2022, (the ?Amendment Effective Date?) by and between Pioneer Power Solutions, Inc., a Delaware corporation (the ?Company?), and Nathan J. Mazurek (the ?Executive?) for purposes of amending that ce

April 29, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Floor

April 29, 2022 S-8

As filed with the Securities and Exchange Commission on April 29, 2022

As filed with the Securities and Exchange Commission on April 29, 2022 Registration No.

April 29, 2022 EX-10.2

Employment Agreement, dated April 25, 2022, by and between Pioneer Power Solutions, Inc. and Wojciech (Walter) Michalec (Incorporated by reference to Exhibit 10.2 to the Form 8-K filed with the Securities and Exchange Commission on April 29, 2022).

Pioneer Power Solutions, Inc. 8-K Exhibit 10.2 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this ?Agreement?), dated as of April 25, 2022, is entered into by and between Wojciech (Walter) Michalec (the ?Executive?) and Pioneer Power Solutions, Inc., a Delaware corporation (the ?Company?). RECITALS WHEREAS, the Executive is currently employed by the Company as its Chief Financial Officer, Secret

April 25, 2022 8-K

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Floor

April 25, 2022 EX-16.1

Exhibit 16.1

Pioneer Power Solutions, Inc. 8-K Exhibit 16.1 April 25, 2022 Securities and Exchange Commission 100 F Street N.E. Washington, D.C. 20549 We have been furnished with a copy of the response to Item 4.01 of Form 8-K for the event that occurred on April 25, 2022, to be filed by our former client, Pioneer Power Solutions, Inc. We agree with the statements made in response to that Item insofar as they

March 31, 2022 EX-21.1

List of subsidiaries.

PIONEER POWER SOLUTIONS, INC. 10-K EXHIBIT 21.1 PIONEER POWER SOLUTIONS, INC. Subsidiaries (all 100% owned) Subsidiaries of the Registrant State or Other Jurisdiction of Incorporation Pioneer Custom Electrical Products Corp. Delaware Titan Energy Systems Inc. Minnesota

March 31, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2021 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 333-155375 PIONEER POWE

March 31, 2022 EX-3.2

Amended and Restated Bylaws of Pioneer Power Solutions, Inc.

PIONEER POWER SOLUTIONS, INC. 10-K Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF PIONEER POWER SOLUTIONS, INC. (as amended and restated on January 17, 2022 and effective immediately) a Delaware corporation ARTICLE 1 OFFICES 1 Section 1.1 Registered Office 1 Section 1.2 Other Offices 1 ARTICLE 2 STOCKHOLDERS? MEETINGS 1 Section 2.1 Place of Meetings 1 Section 2.2 Annual Meetings 2 Section 2.3 Special

March 31, 2022 EX-99.1

Pioneer Reports Fourth Quarter and Full Year 2021 Financial Results; Backlog More Than Doubles in Three Months, Setting the Stage for Rapid Growth in 2022 Accelerating Growth of e-Bloc and E-BOOST Products Validates Demand for Pioneer’s Innovative So

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports Fourth Quarter and Full Year 2021 Financial Results; Backlog More Than Doubles in Three Months, Setting the Stage for Rapid Growth in 2022 Accelerating Growth of e-Bloc and E-BOOST Products Validates Demand for Pioneer?s Innovative Solutions for Distributed Energy and Mobile EV Charging Markets FORT LEE, N.J., March 31, 2022 /PRNewswir

March 31, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Floor

March 31, 2022 EX-4.1

Description of Securities

PIONEER POWER SOLUTIONS, INC. 10-K Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of March 31, 2022 Pioneer Power Solutions, Inc., a Delaware corporation (?we,? ?our? and the ?Company?) has our common stock, par value $0.001 per share registered under Section 12 of the Securities Exchange Act of 1934, as amended. The foregoing desc

January 31, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 28, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Flo

January 31, 2022 EX-99.1

Pioneer Power Receives $788,000 Purchase Order for E-Boost Mobile EV Charging Solution Native American Hotel and Casino to Deploy Innovative Solution to Charge EVs for Guests and for Special Events

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Receives $788,000 Purchase Order for E-Boost Mobile EV Charging Solution Native American Hotel and Casino to Deploy Innovative Solution to Charge EVs for Guests and for Special Events FORT LEE, N.J., January 28, 2022 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" "Pioneer Power" or the "Company"), a leader in the

January 21, 2022 EX-3.1

Amendment to Bylaws of Pioneer Power Solutions, Inc.

Pioneer Power Solutions, Inc. 8-K Exhibit 3.1 Amendment to Bylaws of Pioneer Power Solutions, Inc. Pursuant to Article VI of the Composite Certificate of Incorporation of Pioneer Power Solutions, Inc., a Delaware corporation (the ?Company?), Article X of the Bylaws (as amended heretofore, the ?Bylaws?) of the Corporation, and Section 109 of the General Corporation Law of the State of Delaware, on

January 21, 2022 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 17, 2022 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Flo

December 21, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 21, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 001-35212 27-1347616 (State of incorporation) 400 Kelby Street, 12th Fl

December 21, 2021 EX-99.1

Pioneer Power Announces $12 Million Order from One of the World's Largest Mass Merchandisers; Expected to Significantly Increase Revenue For 2022 Units are scalable and able to integrate multiple onsite power generation and EV charging needs

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Announces $12 Million Order from One of the World's Largest Mass Merchandisers; Expected to Significantly Increase Revenue For 2022 Units are scalable and able to integrate multiple onsite power generation and EV charging needs FORT LEE, N.J., Dec. 21, 2021 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" "Pioneer P

December 13, 2021 424B5

Pioneer Power Solutions, Inc. Up to $8,600,000 Common Stock

424B5 1 ppsi-424b5121321.htm 424B5 Filed pursuant to Rule 424(b)(5) Registration No. 333-249569 PROSPECTUS SUPPLEMENT (To prospectus dated October 27, 2020) Pioneer Power Solutions, Inc. Up to $8,600,000 Common Stock We have entered into an At The Market Offering Agreement, or the sales agreement, with H.C. Wainwright & Co., LLC, or Wainwright, dated October 20, 2020, relating to the sale of share

December 13, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 13, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

November 17, 2021 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employe

November 16, 2021 EX-99.1

Pioneer Power Reports Third Quarter 2021 Financial Results Also Notes Accelerating Growth of E-Bloc and Recent Launch of E-Boost© Products for the EV Charging Market

PIONEER POWER SOLUTIONS, INC. FORM 8-K Exhibit 99.1 Pioneer Power Reports Third Quarter 2021 Financial Results Also Notes Accelerating Growth of E-Bloc and Recent Launch of E-Boost? Products for the EV Charging Market FORT LEE, N.J., Nov. 16, 2021 /PRNewswire/ - Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (?Pioneer? "Pioneer Power" or the "Company"), a leader in the design, manufacture and integr

November 16, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 11, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

November 16, 2021 8-K

Results of Operations and Financial Condition, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

November 15, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

- - UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35212 P

November 8, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

November 8, 2021 EX-99.1

Pioneer Power Launches E-Boost© - Smart, Mobile EV Charging Solutions Full Range of Off-Grid Charging Solutions Addresses Growing Demand for High-Speed, Mobile EV Charging

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Launches E-Boost? - Smart, Mobile EV Charging Solutions Full Range of Off-Grid Charging Solutions Addresses Growing Demand for High-Speed, Mobile EV Charging Fort Lee, NJ, Nov. 8, 2021 / PR Newswire / ? Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer Power" or the "Company"), a leader in the design, manufacture and distribution of

October 25, 2021 DEF 14A

Pioneer Power Solutions, Inc. 2021 Long-Term Incentive Plan

DEF 14A 1 ppsi-def14a111121.htm DEFINITIVE PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive Proxy Statem

August 13, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-35212 PIONEER PO

June 4, 2021 EX-99.1

Pioneer Power Introduces PowerBloc1 in Response to Industry Demand Extends and Expands Relationship with CleanSpark; Declares One-Time Special Cash Dividend of $0.12 per Common Share

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Introduces PowerBloc1 in Response to Industry Demand Extends and Expands Relationship with CleanSpark; Declares One-Time Special Cash Dividend of $0.12 per Common Share Fort Lee, NJ, June 2, 2021 / PRNewswire / ? Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer Power" or the "Company"), a company engaged in the manufacture, sale an

June 4, 2021 EX-10.1

Distribution Agreement, dated May 31, 2021, by and between Pioneer Power Solutions, Inc. and CleanSpark, Inc. (Incorporated by reference to Exhibit 10.1 to the Form 8-K filed with the Securities and Exchange Commission on June 4, 2021).

Pioneer Power Solutions, Inc. 8-K Exhibit 10.1 Distribution Agreement This Exclusive Distribution Agreement (this ?Agreement?), dated as of May 31, 2021 (the ?Effective Date?), is entered into between Pioneer Power Solutions, Inc., a Delaware corporation (?Seller?) and CleanSpark, Inc., a Nevada corporation (?Distributor,? and together with Seller, the ?Parties,? and each, a ?Party?). WHEREAS, in

June 4, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 400

May 19, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 ppsi-8k051321.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (

May 14, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

April 14, 2021 EX-99.1

Pioneer Power Reveals Burgeoning Backlog with New Order in Excess of $1 Million for Distributed Generation Accelerating Installations at Stores with Mass Market Retailer Seen

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Power Reveals Burgeoning Backlog with New Order in Excess of $1 Million for Distributed Generation Accelerating Installations at Stores with Mass Market Retailer Seen Fort Lee, NJ, April 14, 2021 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer Power" or the "Company"), a company engaged in the manufacture, sale and serv

April 14, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 14, 2021 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 4

April 12, 2021 8-K/A

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No.1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2020 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer

March 30, 2021 EX-21.1

List of subsidiaries.

PIONEER POWER SOLUTIONS, INC. 10-K EXHIBIT 21.1 PIONEER POWER SOLUTIONS, INC. Subsidiaries (all 100% owned) Subsidiaries of the Registrant State or Other Jurisdiction of Incorporation Pioneer Custom Electrical Products Corp. Delaware Titan Energy Systems Inc. Minnesota

March 30, 2021 10-K

Annual Report - ANNUAL REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2020 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 333-155375 PIONEER POWE

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendmen

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 7) PIONEER POWER SOLUTIONS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2020 (Date o

December 10, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 10, 2020 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

December 10, 2020 EX-99.1

Pioneer Power Secures $3.5 Million Order for Redundant Power Center in Hawaii Customized Solution Provides Secure, Redundant Power to Shipping Terminal Expansion Infrastructure Upgrade

PIONEER POWER SOLUTIONS, inc. 8-K Exhibit 99.1 Pioneer Power Secures $3.5 Million Order for Redundant Power Center in Hawaii Customized Solution Provides Secure, Redundant Power to Shipping Terminal Expansion Infrastructure Upgrade Fort Lee, NJ, December 10, 2020 / PRNewswire / ? Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer Power" or the "Company"), a company engaged in the manufacture,

December 4, 2020 EX-99.1

Pioneer Power Announces Conclusive Settlement with Myers Power Products Agreement Ends Dispute, Eliminates All Prior Injunctions

PIONEER POWER SOLUTIONS, INC. 8-K EXHIBIT 99.1 Pioneer Power Announces Conclusive Settlement with Myers Power Products Agreement Ends Dispute, Eliminates All Prior Injunctions Fort Lee, NJ, December 4, 2020 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer Power” or the “Company”), a company engaged in the manufacture, sale and service of electrical transmission, distribution

December 4, 2020 8-K

Financial Statements and Exhibits, Other Events - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2020 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

November 16, 2020 8-K

Submission of Matters to a Vote of Security Holders - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 12, 2020 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

November 13, 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact na

October 23, 2020 CORRESP

-

Pioneer Power Solutions, Inc. 400 Kelby Street, 12th Floor Fort Lee, New Jersey 07024 October 23, 2020 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Washington, D.C. 20549 Attention: Asia Timmons-Pierce Re: Pioneer Power Solutions, Inc. Registration Statement on Form S-3 Filed on October 20, 2020 File No. 333-249569 (the “Registration Statement”) Request for Acc

October 20, 2020 S-3

PIONEER POWER SOLUTIONS, INC. S-3

As filed with the Securities and Exchange Commission on October 20, 2020 Registration No.

October 20, 2020 EX-1.2

At The Market Offering Agreement, dated October 20, 2020, by and between Pioneer Power Solutions, Inc. and H.C. Wainwright & Co., LLC (Incorporated by reference to Exhibit 1.2 to the Registration Statement on Form S-3 filed with the Securities and Exchange Commission on October 20, 2020).

PIONEER POWER SOLUTIONS, INC. S-3 Exhibit 1.2 AT THE MARKET OFFERING AGREEMENT October 20, 2020 H.C. Wainwright & Co., LLC 430 Park Avenue New York, NY 10022 Ladies and Gentlemen: Pioneer Power Solutions, Inc., a corporation organized under the laws of the State of Delaware (the “Company”), confirms its agreement (this “Agreement”) with H.C. Wainwright & Co., LLC (the “Manager”) as follows: 1. Def

October 8, 2020 EX-4.1

Description of Securities

Pioneer Power Solutions, Inc. 10-K/A Exhibit 4.1 DESCRIPTION OF SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of March 30, 2020, Pioneer Power Solutions, Inc., a Delaware corporation (“we,” “our” and the “Company”) has our common stock, par value $0.001 per share registered under Section 12 of the Securities Exchange Act of 1934, as amended. The foregoing d

October 8, 2020 10-K/A

Annual Report - AMENDMENT TO FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) (Mark One) ☒ Annual Report Under Section 13 Or 15(d) Of The Securities Exchange Act Of 1934 For the fiscal year ended December 31, 2019 or ☐ Transition Report Under Section 13 Or 15(d) Of The Securities Exchange Act Of 1934 For the transition period from to COMMISSION FILE NUMBER: 001-35212 PIONEE

October 5, 2020 DEF 14A

- DEFINITIVE PROXY STATEMENT

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Sec.

August 14, 2020 10-Q

Quarterly Report - QUARTERLY REPORT

ppsi-10q063020.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS,

July 2, 2020 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / North Star Investment Management Corp. - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Amendment No. 4 PIONEER POWER SOLUTIONS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) July 2, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

May 15, 2020 10-Q

Quarterly Report - QUARTER;U REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

April 1, 2020 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 26, 2020 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 4

April 1, 2020 EX-10.1

Third Amendment to Employment Agreement, dated March 30, 2020, by and between the Company and Nathan J. Mazurek (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on April 1, 2020).

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 10.1 THIRD AMENDMENT TO EMPLOYMENT AGREEMENT This THIRD Amendment to Employment Agreement (this “Amendment”) is made and entered as of this 30th day of March, 2020, (the “Amendment Effective Date”) by and between Pioneer Power Solutions, Inc., a Delaware corporation (the “Company”), and Nathan J. Mazurek (the “Executive”) for purposes of amending that cert

March 30, 2020 10-K

Pioneer Power Solutions, Inc. 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to - Commission file number: 333-155375 PIONEER PO

March 30, 2020 EX-21.1

List of subsidiaries.

Pioneer Poer EXHIBIT 21.1 PIONEER POWER SOLUTIONS, INC. Subsidiaries (all 100% owned) Subsidiaries of the Registrant State or Other Jurisdiction of Incorporation Pioneer Custom Electrical Products Corp. Delaware Titan Energy Systems Inc. Minnesota

March 30, 2020 EX-31.

Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

Pioneer Power Solutions, Inc. 10-K EXHIBIT 31.1 CERTIFICATION I, Nathan J. Mazurek, certify that: 1. I have reviewed this Annual Report on Form 10-K of Pioneer Power Solutions, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such sta

January 31, 2020 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / A. LAWRENCE CARROLL TRUST - AMENDMENT NO. 6 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 6) PIONEER POWER SOLUTIONS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2019 (Date o

January 8, 2020 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / North Star Investment Management Corp. - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Amendment No. 3 Pioneer Power Solutions, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

November 26, 2019 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 22, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

November 18, 2019 10-Q

Pioneer Power Solutions, Inc. 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact na

November 14, 2019 NT 10-Q

PPSI / Pioneer Power Solutions, Inc. NT 10-Q - - NOTICE OF INABILITY TO TIMELY FILE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One) ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period Ended: September 30, 2019 ☐ Transition Report on Form 10-K ☐ Transition Report on Form 20-F ☐ Transition Report on Form 11-K ☐ Transition Report on Form 10-Q For the Transition Pe

October 17, 2019 DEF 14A

PPSI / Pioneer Power Solutions, Inc. DEF 14A - - DEFINITIVE PROXY STATEMENT

SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive Proxy Statement ☐ Definitive Additional Materials ☐ Soliciting Material Pursuant to Sec.

October 10, 2019 8-K

Shareholder Director Nominations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 6, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

October 7, 2019 EX-99.1

Pioneer’s One-Time Special Cash Dividend Enjoined by Superior Court of California

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 99.1 Pioneer’s One-Time Special Cash Dividend Enjoined by Superior Court of California Fort Lee, NJ, October 7, 2019 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, has received

October 7, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 7, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

September 16, 2019 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 13, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No

September 6, 2019 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 5, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

September 6, 2019 EX-99.1

Pioneer Declares One-Time Special Cash Dividend of $1.37 Per Share

PIONEER POWER SOLUTIONS, INC. 8-K Exhibit 99.1 Pioneer Declares One-Time Special Cash Dividend of $1.37 Per Share Fort Lee, NJ, September 6, 2019 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" or the "Company"), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, today announced that its B

August 21, 2019 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 16, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

August 21, 2019 EX-99.1

Pioneer Power Solutions 8-K

Pioneer Power Solutions 8-K Exhibit 99.1 Unaudited Pro Forma Condensed Consolidated Financial Statements On June 28, 2019, Pioneer Power Solutions, Inc. (the “Company,” “Pioneer Power” or “PPSI”) entered into a Stock Purchase Agreement, dated as of June 28, 2019 (the “Stock Purchase Agreement”), by and among the Company, Electrogroup Canada, Inc., a wholly owned subsidiary of the Company (“Electro

August 14, 2019 EX-10.2

Temporary Amendment to Borrowing Base in the PPSI Credit Agreement, dated August 8, 2019, by and between Bank of Montreal, Pioneer Power Solutions, Inc., Pioneer Electrogroup Canada Inc., Jefferson Electric, Inc., Pioneer Critical Power Inc., Pioneer Custom Electrical Products Corp. and Titan Energy Systems, Inc. (Incorporated by reference to Exhibit 10.2 to the Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on August 14, 2019).

Pioneer Power Solutions, Inc. 10-Q Exhibit 10.2 August 8, 2019 Pioneer Power Solutions, Inc. Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, NJ 07024 Attention: Thomas Klink Re: credit facilities granted by bank of montreal to pioneer power solutions, inc. and pioneer electrogroup canada inc. – temporary amendment to borrowing base in the ppsi credit agreement Gentlemen: Ref

August 14, 2019 10-Q

Pioneer Power Solutions, Inc. 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name of

August 14, 2019 EX-10.3

Waiver Letter dated August 8, 2019, from Bank of Montreal, Montreal Branch, as lender (Incorporated by reference to Exhibit 10.3 to the Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on August 14, 2019).

Pioneer Power Solutions, Inc. 10-Q Exhibit 10.3 CONFIDENTIAL August 8, 2019 Mr. Thomas Klink Chief Financial Officer Pioneer Power Solutions, Inc. Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, NJ 07024 RE: WAIVER FOR BREACH OF COVENANTS Dear Mr. Klink, We refer to our Amended and Restated Credit Agreement dated as of April 29, 2016, as amended from time to time (collective

August 13, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

August 13, 2019 EX-2.1

Amendment No. 1 to the Stock Purchase Agreement, dated as of August 13, 2019, by and among Pioneer Power Solutions, Inc., Electrogroup Canada, Inc., Jefferson Electric, Inc., JE Mexican Holdings, Inc., Pioneer Transformers L.P. and Pioneer Acquireco ULC (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on August 14, 2019).

Pioneer Power Solutions, Inc. 8-K Exhibit 2.1 Execution Version FIRST AMENDMENT TO STOCK PURCHASE AGREEMENT This First Amendment to Stock Purchase Agreement (this “Amendment”), dated as of August 13, 2019 (the “Amendment Date”), is entered into by and among Pioneer Power Solutions, Inc., a Delaware corporation (the “Seller”), Pioneer Electrogroup Canada Inc., a Canadian corporation (“Electrogroup”

August 13, 2019 DEFA14C

PPSI / Pioneer Power Solutions, Inc. DEFA14C - - DEFINITIVE ADDITIONAL INFORMATION STATEMENT MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ☐ Preliminary Information Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☐ Definitive Information Statement ☒ Definitive Additional

July 26, 2019 DEFM14C

PPSI / Pioneer Power Solutions, Inc. DEFM14C - - DEFINITIVE INFORMATION STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ☐ Preliminary Information Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☒ Definitive Information Statement PIONEER POWER SOLUTIONS

July 24, 2019 PRER14C

PPSI / Pioneer Power Solutions, Inc. PRER14C - - PRELIMINARY INFORMATION STATEMENT RELATING TO MERGER OR ACQUISITION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 (Amendment No. 1) Check the appropriate box: ☒ Preliminary Information Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☐ Definitive Information Statement PIONE

July 24, 2019 CORRESP

PPSI / Pioneer Power Solutions, Inc. CORRESP - -

July 24, 2019 VIA EDGAR AND FEDERAL EXPRESS Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

July 3, 2019 PREM14C

PPSI / Pioneer Power Solutions, Inc. PREM14C - - PRELIMINARY INFORMATION STATEMENT RELATING TO MERGER OR ACQUISITION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ☒ Preliminary Information Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ☐ Definitive Information Statement PIONEER POWER SOLUTIONS

July 1, 2019 EX-99.1

Pioneer Reaches Agreement to Sell Transformer Business for Approximately $65 Million

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reaches Agreement to Sell Transformer Business for Approximately $65 Million Fort Lee, NJ, July 1, 2019 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" or the "Company"), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, today announc

July 1, 2019 8-K

Entry into a Material Definitive Agreement, Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 40

July 1, 2019 EX-2.1

Stock Purchase Agreement, dated as of June 28, 2019, by and among Pioneer Power Solutions, Inc., Electrogroup Canada, Inc., Jefferson Electric, Inc., JE Mexican Holdings, Inc., Nathan Mazurek, Pioneer Transformers L.P. and Pioneer Acquireco ULC (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on July 1, 2019).

Pioneer Power Solutions, Inc. 8-K Exhibit 2.1 Execution Version STOCK PURCHASE AGREEMENT by and among PIONEER POWER SOLUTIONS, INC., PIONEER ELECTROGROUP CANADA INC., JEFFERSON ELECTRIC, INC., JE MEXICAN HOLDINGS, INC., NATHAN J. MAZUREK (SOLELY FOR PURPOSES OF SECTION 7.12), PIONEER TRANSFORMERS L.P., and PIONEER ACQUIRECO ULC Dated as of June 28, 2019 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS

May 15, 2019 10-Q

PIONEER POWER SOLUTIONS, INC. 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

May 15, 2019 EX-10.7

Waiver Letter dated May 6, 2019, from Bank of Montreal, Montreal Branch, as lender (Incorporated by reference to Exhibit 10.7 to the Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on May 15, 2019).

PIONEER POWER SOLUTIONS, INC. 10-Q Exhibit 10.7 May 6, 2019 Mr. Thomas Klink Chief Financial Officer Pioneer Power Solutions, Inc. Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, NJ 07024 RE: WAIVER FOR BREACH OF COVENANTS Dear Mr. Klink, We refer to our Amended and Restated Credit Agreement dated as of April 29, 2016, as amended from time to time (collectively, the “PPSI Cr

March 29, 2019 10-K

Pioneer Power Solutions, Inc. 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2018 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 333-155375 PIONEER POWE

March 29, 2019 EX-21.1

PIONEER POWER SOLUTIONS, INC.

Pioneer Power Solutions, Inc. 10-K EXHIBIT 21.1 PIONEER POWER SOLUTIONS, INC. Subsidiaries (all 100% owned) Subsidiaries of the Registrant State or Other Jurisdiction of Incorporation Jefferson Electric, Inc. Delaware Nexus Magneticos de Mexico, S. de R.L. de C.V. Mexico JE Mexican Holdings, Inc Delaware Jefferson Electric Mexico Holdings, LLC Wisconsin Pioneer Custom Electrical Products Corp. Del

March 29, 2019 EX-10.31

Waiver Letter, dated March 25, 2019, from Bank of Montreal, Montreal Branch, as lender (Incorporated by reference to Exhibit 10.31 to the Annual Report on Form 10-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on March 29, 2019).

EX-10.31 2 ex10-31.htm WAIVER LETTER, DATED MARCH 25, 2019, FROM BANK OF MONTREAL, MONTREAL BRANCH Pioneer Power Solutions, Inc. 10-K EXHIBIT 10.31 March 25, 2019 Mr. Thomas Klink Chief Financial Officer Pioneer Power Solutions, Inc. Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, NJ 07024 RE: WAIVER FOR BREACH OF COVENANTS Dear Mr. Klink, We refer to our Amended and Restate

February 20, 2019 EX-10.1

Third Amendment to Employment Agreement, dated February 15, 2019, by and between Jefferson Electric, Inc. and Thomas Klink. (Incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on February 20, 2019).

Pioneer Power Solutions Inc. 8-K Exhibit 10.1 THIRD AMENDMENT TO EMPLOYMENT AGREEMENT This THIRD Amendment to Employment Agreement (this “Amendment”) is made and entered as of this 15th day of February, 2019, (the “Amendment Effective Date”) by and between Jefferson Electric, Inc., a Delaware corporation (the “Company”), and Thomas Klink (“Executive”) for purposes of amending that certain Employme

February 20, 2019 8-K

Financial Statements and Exhibits, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 15, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

January 29, 2019 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / A. LAWRENCE CARROLL TRUST - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 5) PIONEER POWER SOLUTIONS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2018 (Date o

January 28, 2019 EX-10.3

Non-Competition and Non-Solicitation Agreement, dated January 22, 2019, between the Company and CleanSpark. (Incorporated by reference to Exhibit 10.3 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on January 28, 2019).

Pioneer Power Solutions Inc. 8-K Exhibit 10.3 NON-COMPETITION AND NON-SOLICITATION AGREEMENT This Non-Competition and Non-Solicitation Agreement (this "Agreement") is entered into as of January 22, 2019 (the "Effective Date"), by and between CleanSpark, Inc., a Nevada corporation ("Buyer"), and Pioneer Power Solutions Inc., a Delaware corporation ("Shareholder"). RECITALS A. This Agreement is bein

January 28, 2019 8-K

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits

8-K 1 ppsi-8k012219.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 22, 2019 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporatio

January 28, 2019 EX-10.4

Termination of Asset Purchase Agreement, dated January 22, 2019, between PCEP and CleanSpark

Pioneer Power Solutions Inc. 8-K Exhibit 10.4 TERMINATION OF ASSET PURCHASE AGREEMENT This Termination of Asset Purchase Agreement, dated as of January 16, 2019 (this “Agreement”), is entered into by and among CLEANSPARK, INC., a Nevada corporation (“Purchaser”), and PIONEER CUSTOM ELECTRIC PRODUCTS CORP., a Delaware corporation (“Seller”). All capitalized terms used and not otherwise defined here

January 28, 2019 EX-10.2

Contract Manufacturing Agreement, dated January 22, 2019, between the Company and CleanSpark. (Incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on January 28, 2019).

Pioneer Power Solutions Inc. 8-K Exhibit 10.2 CONTRACT MANUFACTURING AGREEMENT This CONTRACT MANUFACTURING AGREEMENT (the “Agreement”) is made as of January 22, 2019, by and between Cleanspark, Inc., a Nevada corporation (“Cleanspark”) and Pioneer Power Solutions, Inc., a Delaware corporation (“Pioneer”). Recitals A. Cleanspark and Pioneer Critical Power, Inc., a Delaware corporation. (“PCP”) have

January 28, 2019 EX-10.1

Indemnity Agreement, dated January 22, 2019, between the Company, CleanSpark and PCPI. (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on January 28, 2019).

Pioneer Power Solutions Inc. 8-K Exhibit 10.1 INDEMNITY AGREEMENT THIS INDEMNITY AGREEMENT (this “Agreement”) is executed on the 22nd day of January 2019, by PIONEER CRITICAL POWER INC., a Delaware corporation (“Pioneer Critical”), and PIONEER POWER SOLUTIONS, INC., a Delaware corporation, (“Indemnitor”), to and in favor of CLEANSPARK, INC., a Nevada corporation (“Indemnitee’). RECITALS A. This Ag

January 28, 2019 EX-2.1

Agreement and Plan of Merger Agreement, dated January 22, 2019, between Pioneer Critical Power Inc. and CleanSpark. (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on January 28, 2019).

Pioneer Power Solutions Inc. 8-K Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among PIONEER CRITICAL POWER, INC., the Company; CLEANSPARK, INC., the Parent and CLEANSPARK ACQUISITION, INC. Merger Sub Dated as of January 22, 2019 ARTICLE 1. THE MERGER 4 1.1 The Merger 4 1.2 Closing 4 1.3 Effective Time 4 1.4 Effects of the Merger 4 1.5 Certificate of Incorporation and Bylaws of the Surviving Com

January 9, 2019 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / North Star Investment Management Corp. - SC 13G/A Passive Investment

North Star Investment Management Corp.: Schedule 13G/A - Filed by newsfilecorp.com UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Amendment No. 2 Pioneer Power Solutions, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2018 (Date of Event which Requires Filing o

January 3, 2019 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 27, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.

January 3, 2019 EX-10.1

Letter Agreement, dated December 27, 2018, between PCEP and CleanSpark.

EX-10.1 2 ex10-1.htm LETTER AGREEMENT Pioneer Custom Electric Products Corp. 8-K Exhibit 10.1 December 27, 2018 Via Electronic Mail Cleanspark, Inc. 6365 Nancy Ridge Drive, Fl. 2 San Diego, California 92121 Attention: Zachary Bradford, President Re: Extension of Termination Date Dear Mr. Bradford: Reference is made to that certain Asset Purchase Agreement by and between Cleanspark, Inc. (“Cleanspa

November 9, 2018 EX-10.3

PIONEER POWER SOLUTIONS, INC. 10-Q

PIONEER POWER SOLUTIONS, INC. 10-Q EXHIBIT 10.3 CONFIDENTIAL November 7, 2018 Mr. Thomas Klink Chief Financial Officer Pioneer Power Solutions, Inc. Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, NJ 07024 RE: WAIVER FOR BREACH OF COVENANTS Dear Mr. Klink, We refer to our Amended and Restated Credit Agreement dated as of April 29, 2016, as amended from time to time (collecti

November 9, 2018 10-Q

PIONEER POWER SOLUTIONS, INC. 10-Q

ppsi-10q093018.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTI

August 10, 2018 10-Q

PIONEER POWER SOLUTIONS, INC. 10-Q

ppsi-10q063018.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS,

July 19, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 16, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 40

July 19, 2018 EX-10.1

Letter Agreement, dated July 16, 2018, between PCEP and CleanSpark.

EX-10.1 2 ex10-1.htm LETTER AGREEMENT, DATED JULY 16, 2018 PIONEER POWER SOLUTIONS, inc. 8-K Exhibit 10.1 July 16, 2018 Via Electronic Mail Cleanspark, Inc. 6365 Nancy Ridge Drive, Fl. 2 San Diego, California 92121 Attention: Zachary Bradford, President Re: Extension of Termination Date Dear Mr. Bradford: Reference is made to that certain Asset Purchase Agreement by and between Cleanspark, Inc. (“

July 3, 2018 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 29, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 40

July 3, 2018 EX-10.1

Letter Agreement, dated June 29, 2018, between PCEP and CleanSpark.

PIONEER POWER SOLUTIONS, inc. 8-K Exhibit 10.1 June 29, 2018 Via Electronic Mail Cleanspark, Inc. 6365 Nancy Ridge Drive, Fl. 2 San Diego, California 92121 Attention: Zachary Bradford, President Re: Extension of Termination Date Dear Mr. Bradford: Reference is made to that certain Asset Purchase Agreement by and between Cleanspark, Inc. (“Cleanspark”) and Pioneer Custom Electric Products Corp. (“P

May 15, 2018 8-K

Results of Operations and Financial Condition, Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 400

May 15, 2018 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2018 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

May 15, 2018 EX-99.1

Pioneer Reports First Quarter 2018 Financial Results

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports First Quarter 2018 Financial Results Fort Lee, NJ, May 14, 2018 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, today announced its financial results for the

May 8, 2018 EX-99.1

Pioneer Power Solutions Inc. 8-K

Pioneer Power Solutions Inc. 8-K Exhibit 99.1 CleanSpark to Accelerate Deployments by Acquiring Pioneer Custom Electrical Products Business SALT LAKE CITY and FORT LEE, NJ - May 8, 2018, /PRNewswire/ - CleanSpark, Inc. (OTC: CLSK), a microgrid company with advanced engineering, software and controls for innovative distributed energy resource management systems, and Pioneer Power Solutions, Inc. (N

May 8, 2018 8-K

Pioneer Power Solutions Inc. 8-K

ppsi-8k050218.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identi

May 8, 2018 EX-2.1

Asset Purchase Agreement, dated May 2, 2018, by and between Cleanspark, Inc and Pioneer Custom Electric Products Corp.

Pioneer Power Solutions Inc. 8-K Exhibit 2.1 Execution Version ASSET PURCHASE AGREEMENT by and between CLEANSPARK, INC. and pioneer CUSTOM ELECTRIC PRODUCTS CORP. May 2, 2018 TABLE OF CONTENTS Page ARTICLE I PURCHASE AND SALE OF ASSETS AND ASSUMPTION OF LIABILITIES 1 1.1. Acquired Assets 1 1.2. Excluded Assets 2 1.3. Assumed Liabilities 3 1.4. Excluded Liabilities 4 1.5. Payment of Purchase Price

April 27, 2018 DEFA14A

PPSI / Pioneer Power Solutions, Inc. ADDITIONAL DEFINITIVE PROXY SOLICITING MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

April 27, 2018 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 4

April 17, 2018 DEF 14A

PPSI / Pioneer Power Solutions, Inc. DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

April 2, 2018 10-K

PIONEER POWER SOLUTIONS, INC. 10-K

ppsi-10k123117.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2017 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 333

April 2, 2018 EX-10.25

Second Amending Agreement, dated as of March 28, 2018, by and among Pioneer Power Solutions, Inc., as borrower, each of the domestic subsidiary guarantors signatory thereto and Bank of Montreal, Chicago Branch, as lender (Incorporated by reference to Exhibit 10.25 to the Annual Report on Form 10-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on April 2, 2018).

PIONEER POWER SOLUTIONS, INC. 10-K Exhibit 10.25 Execution version Second Amending Agreement This Second Amending Agreement (herein, the “Amendment”) is entered into as of March 28, 2018 by and among Pioneer Power Solutions, Inc., a Delaware corporation (the “Borrower”), the direct and indirect Domestic Subsidiaries of the Borrower party hereto, as Guarantors, and Bank of Montreal, a Canadian char

April 2, 2018 EX-10.24

Second Amending Agreement, dated as of March 28, 2018, by and among Pioneer Electrogroup Canada Inc., as borrower, each of the Canadian subsidiary guarantors signatory thereto and Bank of Montreal, as lender (Incorporated by reference to Exhibit 10.24 to the Annual Report on Form 10-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on April 2, 2018).

PIONEER POWER SOLUTIONS, INC. 10-K Exhibit 10.24 Execution Version SECOND AMENDING AGREEMENT This Second Amending Agreement is entered into as of March 28, 2018, by and among Pioneer Electrogroup Canada Inc., a Canadian corporation (the “Borrower”), Pioneer Power Solutions, Inc. (“PPSI”) and the direct and indirect Canadian Subsidiaries of the Borrower or of PPSI from time to time party to the Cre

March 29, 2018 EX-99.1

Pioneer Reports Fourth Quarter and Full Year 2017 Financial Results Company Executes LOI to Sell Switchgear Business; Presented as Discontinued Operations

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports Fourth Quarter and Full Year 2017 Financial Results Company Executes LOI to Sell Switchgear Business; Presented as Discontinued Operations Fort Lee, NJ, March 28, 2018 / PRNewswire / – Pioneer Power Solutions, Inc. (Nasdaq: PPSI) (“Pioneer” or the “Company”), a company engaged in the manufacture, sale and service of electrical transmis

March 29, 2018 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2018 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 4

February 2, 2018 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / A. LAWRENCE CARROLL TRUST - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 4) PIONEER POWER SOLUTIONS, INC. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2017 (Date o

January 8, 2018 SC 13G/A

PPSI / Pioneer Power Solutions, Inc. / North Star Investment Management Corp. - SC 13G/A Passive Investment

North Star Investment Management Corp.: Schedule 13G/A - Filed by newsfilecorp.com UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Amendment No. 1 Pioneer Power Solutions, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 723836300 (CUSIP Number) December 31, 2017 (Date of Event which Requires Filing o

November 13, 2017 10-Q

Pioneer Power Solutions, Inc. 10-Q

ppsi-10q093017.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2017 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTI

November 13, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2017 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.)

November 13, 2017 EX-99.1

Pioneer Reports Third Quarter 2017 Financial Results

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports Third Quarter 2017 Financial Results Fort Lee, NJ, November 9, 2017 / PRNewswire / ? Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" or the "Company"), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, today announced its financial results for

August 11, 2017 10-Q

Pioneer Power Solutions, Inc. 10-Q

ppsi-10q063017.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2017 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS,

May 15, 2017 EX-99.1

Pioneer Reports First Quarter 2017 Financial Results Management Reiterates Full-Year Guidance

Pioneer Power Solutions Inc., 8-K Exhibit 99.1 Pioneer Reports First Quarter 2017 Financial Results Management Reiterates Full-Year Guidance Fort Lee, NJ, May 11, 2017 / PRNewswire / ? Pioneer Power Solutions, Inc. (Nasdaq: PPSI) ("Pioneer" or the "Company"), a company engaged in the manufacture, sale and service of electrical transmission, distribution and on-site power generation equipment, toda

May 15, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2017 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 400

May 12, 2017 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 11, 2017 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 400

May 12, 2017 10-Q

Pioneer Power Solutions, Inc. 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2017 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-35212 PIONEER POWER SOLUTIONS, INC. (Exact name o

April 13, 2017 DEF 14A

Pioneer Power Solutions DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

March 29, 2017 EX-10.57

First Amending Agreement, dated as of March 15, 2017, by and among Pioneer Electrogroup Canada Inc., as borrower, each of the Canadian subsidiary guarantors signatory thereto and Bank of Montreal, as lender. (Incorporated by reference to Exhibit 10.57 to the Annual Report on Form 10-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on March 29, 2017)

Pioneer Power Solutions, Inc. 10-K EXHIBIT 10.57 FIRST AMENDING AGREEMENT This First Amending Agreement is entered into as of March 15, 2017, by and among Pioneer Electrogroup Canada Inc., a Canadian corporation (the ?Borrower?), Pioneer Power Solutions, Inc. (?PPSI?) and the direct and indirect Canadian Subsidiaries of the Borrower or of PPSI from time to time party to the Credit Agreement, as Gu

March 29, 2017 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2016 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 333-155375 PIONEER POWE

March 29, 2017 EX-10.56

First Amending Agreement, dated as of March 15, 2017, by and among Pioneer Power Solutions, Inc., as borrower, each of the domestic subsidiary guarantors signatory thereto and Bank of Montreal, Chicago Branch, as lender. (Incorporated by reference to Exhibit 10.56 to the Annual Report on Form 10-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on March 29, 2017)

Pioneer Power Solutions, Inc. 10-K EXHIBIT 10.56 Execution copy First Amending Agreement This First Amending Agreement (herein, the ?Amendment?) is entered into as of March 15, 2017 by and among Pioneer Power Solutions, Inc., a Delaware corporation (the ?Borrower?), the direct and indirect Domestic Subsidiaries of the Borrower party hereto, as Guarantors, and Bank of Montreal, a Canadian chartered

March 29, 2017 EX-10.55

Pioneer Power Solutions, Inc. 10-K

Pioneer Power Solutions, Inc. 10-K EXHIBIT 10.55 March 6, 2017 Pioneer Power Solutions, Inc.; and Pioneer Electrogroup Canada Inc. 400 Kelby Street, 9th Floor Fort Lee, New Jersey USA 07024 Attention: Mr. Thomas Klink, CFO Subject: Financial Covenant Waiver Dear Mr. Klink, Under the terms and conditions of the credit facilities extended by Bank of Montreal (the ?Lender?) to Pioneer Electrogroup Ca

March 14, 2017 EX-99.1

Pioneer Reports Fourth Quarter and Full Year 2016 Financial Results Company Achieves Profitability Guidance, Delivers $7.4 Million Improvement in Operating Income vs. Full Year 2015; Year-End Backlog of $38.6 Million Reinforces Expectation of Signifi

Pioneer Power Solutions, Inc. 8-K Exhibit 99.1 Pioneer Reports Fourth Quarter and Full Year 2016 Financial Results Company Achieves Profitability Guidance, Delivers $7.4 Million Improvement in Operating Income vs. Full Year 2015; Year-End Backlog of $38.6 Million Reinforces Expectation of Significantly Improved Profitability in 2017 Fort Lee, NJ, March 9, 2017 / PRNewswire / ? Pioneer Power Soluti

March 14, 2017 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 9, 2017 PIONEER POWER SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 27-1347616 (State of incorporation) (I.R.S. Employer Identification No.) 40

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