NBY / NovaBay Pharmaceuticals, Inc. - SEC फाइलिंग, वार्षिक रिपोर्ट, प्रॉक्सी स्टेटमेंट

नोवाबे फार्मास्यूटिकल्स, इंक.
US ˙ NYSEAM

मूलभूत आँकड़े
LEI 549300D5U7PQPNEX8Q38
CIK 1389545
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 NovaBay Pharmaceuticals, 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 26, 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 26, 2025 NovaBay Pharmaceu

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 26, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Comm

August 26, 2025 EX-99.1

NovaBay Pharmaceuticals Announces One-Time Special Cash Dividend of $0.80 Per Share

Exhibit 99.1 NovaBay Pharmaceuticals Announces One-Time Special Cash Dividend of $0.80 Per Share EMERYVILLE, Calif. (August 26, 2025) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces its Board of Directors and the Special Transaction Committee of the Board of Directors has declared a one-time special cash dividend of $0.80 per share of common stock. The

August 19, 2025 EX-10.8

SETTLEMENT AGREEMENT AND GENERAL AND MUTUAL RELEASE

Exhibit 10.8 Execution Version SETTLEMENT AGREEMENT AND GENERAL AND MUTUAL RELEASE This Settlement Agreement and General and Mutual Release (the “Agreement”) is on this 19th day of August, 2025 by and between NovaBay Pharmaceuticals, Inc. (the “Company”) and Justin Hall, Chief Executive Officer, General Counsel and Director of the Company (the “Executive Officer”), collectively known herein as the

August 19, 2025 EX-99.1

NovaBay Pharmaceuticals Enters Into $6 Million Securities Purchase Agreement with Investor David E. Lazar Investment to support NovaBay’s continued public listing and provide funding for a future strategic transaction

Exhibit 99.1 August 19, 2025 NovaBay Pharmaceuticals Enters Into $6 Million Securities Purchase Agreement with Investor David E. Lazar Investment to support NovaBay’s continued public listing and provide funding for a future strategic transaction EMERYVILLE, Calif. (August 19, 2025) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces it has entered into a $

August 19, 2025 EX-10.9

SETTLEMENT AGREEMENT AND GENERAL AND MUTUAL RELEASE

Exhibit 10.9 Execution Version SETTLEMENT AGREEMENT AND GENERAL AND MUTUAL RELEASE This Settlement Agreement and General and Mutual Release (the “Agreement”) is on this 19th day of August, 2025 by and between NovaBay Pharmaceuticals, Inc. (the “Company”) and (the “Director”), collectively known herein as the “Parties.” WHEREAS, the Director was elected to act as a Member of the Board of Directors

August 19, 2025 EX-10.4

WARRANT EXCHANGE AGREEMENT

Exhibit 10.4 Execution Version WARRANT EXCHANGE AGREEMENT This WARRANT EXCHANGE AGREEMENT (this “Agreement”), dated as of August 19, 2025, is made and entered into between NovaBay Pharmaceuticals, Inc., a Delaware company (the “Company”), and Armistice Capital Master Fund Ltd., a limited company organized under the laws of the Cayman Islands (“Holder”). Capitalized terms not otherwise defined here

August 19, 2025 EX-10.5

VOTING AGREEMENT

Exhibit 10.5 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version VOTING AGREEMENT THIS VOTING AGREEMENT (this “Agreement”) is being signed on August 19, 2025 (the “

August 19, 2025 EX-3.1

NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS SERIES D NON-VOTING CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW

Exhibit 3.1 NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES D NON-VOTING CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW The undersigned, Justin Hall, does hereby certify that: 1. He is the Chief Executive Officer, President and Secretary of NovaBay Pharmaceuticals, Inc., a Delaware corporation (t

August 19, 2025 EX-10.6

AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.6 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version AMENDED AND RESTATED EXECUTIVE EMPLOYMENT AGREEMENT THIS AMENDED AND RESTATED EMPLOYMENT AGREEMENT

August 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): August 19, 2025 NovaBay Pharmaceu

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 19, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Comm

August 19, 2025 EX-10.2

WARRANT EXCHANGE AGREEMENT

Exhibit 10.2 Execution Version WARRANT EXCHANGE AGREEMENT This WARRANT EXCHANGE AGREEMENT (this “Agreement”), dated as of August 19, 2025, is made and entered into between NovaBay Pharmaceuticals, Inc., a Delaware company (the “Company”), and Anson Investments Master Fund LP, an exempted limited partnership organized under the laws of the Cayman Islands (“Holder”). Capitalized terms not otherwise

August 19, 2025 EX-10.1

SECURITIES PURCHASE AGREEMENT

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of

August 19, 2025 EX-3.2

NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS SERIES E NON-VOTING CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW

Exhibit 3.2 NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES E NON-VOTING CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW The undersigned, Justin Hall, does hereby certify that: 1. He is the Chief Executive Officer, President and Secretary of NovaBay Pharmaceuticals, Inc., a Delaware corporation (t

August 19, 2025 EX-10.7

EXECUTIVE EMPLOYMENT AGREEMENT

Exhibit 10.7 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version EXECUTIVE EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (“Agreement”) is made and entered into as

August 19, 2025 EX-3.3

NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS SERIES F VOTING RETRACTABLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW

Exhibit 3.3 NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES F VOTING RETRACTABLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW The undersigned, Justin Hall, does hereby certify that: 1. He is the Chief Executive Officer, President and Secretary of NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “

August 19, 2025 EX-10.3

WARRANT EXCHANGE AGREEMENT

Exhibit 10.3 WARRANT EXCHANGE AGREEMENT This WARRANT EXCHANGE AGREEMENT (this “Agreement”), dated as of August 19, 2025, is made and entered into between NovaBay Pharmaceuticals, Inc., a Delaware company (the “Company”), and Hudson Bay Master Fund Ltd., a limited company organized under the laws of the Cayman Islands (“Holder”). Capitalized terms not otherwise defined herein shall have the meaning

August 14, 2025 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 001

May 15, 2025 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 00

April 22, 2025 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 earliest event reported: April 16, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

April 2, 2025 10-K

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

Table of Contents 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 001-336

April 2, 2025 EX-21

Subsidiaries of the Company

Exhibit 21 Subsidiaries of NovaBay Pharmaceuticals, Inc. NovaBay Pharmaceuticals, Inc. has no subsidiaries.

April 2, 2025 EX-19

NovaBay Insider Trading Policy

Exhibit 19 INSIDER TRADING POLICY I. PURPOSE Under the federal securities laws, it is illegal to trade in the Company’s securities while in the possession of material nonpublic information about the Company. It is also illegal to disclose or give material nonpublic information to others who may trade on the basis of that information or to advise others how to trade while in possession of material

April 2, 2025 EX-4.1

Description of Securities

Exhibit 4.1 DESCRIPTION OF SECURITIES Our authorized capital stock consists of 150,000,000 shares of common stock, $0.01 par value per share (“Common Stock”), and 5,000,000 shares of preferred stock, $0.01 par value per share. A description of material terms and provisions of our Amended and Restated Certificate of Incorporation, as amended (“Certificate of Incorporation”) and Bylaws, as amended a

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 10-D  ☐ 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 Transit

March 19, 2025 DEF 14A

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 (Amendment No. )

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 (Amendment No. ) 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)) ☒ Defin

March 11, 2025 EX-10.2

Confidential Settlement and Release Agreement, dated March 10, 2025, by and between NovaBay Pharmaceuticals, Inc. and Bigger Capital Fund, LP

Exhibit 10.2 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] CONFIDENTIAL SETTLEMENT AND RELEASE AGREEMENT This Confidential Settlement and Release Agreement (this “Agreement”) i

March 11, 2025 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 earliest event reported: March 5, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 11, 2025 EX-10.1

Confidential Settlement and Release Agreement, dated March 5, 2025, by and between NovaBay Pharmaceuticals, Inc. and Sabby Volatility Warrant Master Fund Ltd.

Exhibit 10.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] CONFIDENTIAL SETTLEMENT AND RELEASE AGREEMENT This Confidential Settlement and Release Agreement (this “Agreement”) i

March 11, 2025 EX-10.3

Confidential Settlement and Release Agreement, dated March 10, 2025, by and between NovaBay Pharmaceuticals, Inc. and District 2 Capital Fund LP

Exhibit 10.3 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] CONFIDENTIAL SETTLEMENT AND RELEASE AGREEMENT This Confidential Settlement and Release Agreement (this “Agreement”) i

March 7, 2025 EX-10.1

Engagement Agreement, dated March 4, 2025, by and between NovaBay Pharmaceuticals, Inc. and Lucid Capital Markets, LLC

Exhibit 10.1 Strictly Confidential March 4, 2025 Justin Hall, ESQ Chief Executive Officer NovaBay Pharmaceuticals, Inc. 2000 Powell Street, Suite 1150 Emeryville, CA 94608 Dear Justin: We are pleased to confirm our mutual understanding regarding the retention of Lucid Capital Markets, LLC (“Lucid”) by NovaBay Pharmaceuticals, Inc. its subsidiaries, affiliates, beneficiaries, successors and assigns

March 7, 2025 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 earliest event reported: March 4, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 7, 2025 DEFA14A

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 earliest event reported: March 4, 2025 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: March 4, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

March 7, 2025 EX-99.1

Press Release, dated March 7, 2025

Exhibit 99.1 NovaBay Pharmaceuticals to Hold Special Meeting of Stockholders Stockholders as of the March 18, 2025 record date will be entitled to vote Company engages financial advisor to explore strategic options should stockholders fail to approve the dissolution proposal EMERYVILLE, Calif. (March 7, 2025) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announ

March 7, 2025 EX-99.1

NovaBay Pharmaceuticals to Hold Special Meeting of Stockholders Stockholders as of the March 18, 2025 record date will be entitled to vote Company engages financial advisor to explore strategic options should stockholders fail to approve the dissolut

Exhibit 99.1 NovaBay Pharmaceuticals to Hold Special Meeting of Stockholders Stockholders as of the March 18, 2025 record date will be entitled to vote Company engages financial advisor to explore strategic options should stockholders fail to approve the dissolution proposal EMERYVILLE, Calif. (March 7, 2025) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announ

March 7, 2025 EX-10.1

Engagement Agreement, dated March 4, 2025, by and between NovaBay Pharmaceuticals, Inc. and Lucid Capital Markets, LLC

Exhibit 10.1 Strictly Confidential March 4, 2025 Justin Hall, ESQ Chief Executive Officer NovaBay Pharmaceuticals, Inc. 2000 Powell Street, Suite 1150 Emeryville, CA 94608 Dear Justin: We are pleased to confirm our mutual understanding regarding the retention of Lucid Capital Markets, LLC (“Lucid”) by NovaBay Pharmaceuticals, Inc. its subsidiaries, affiliates, beneficiaries, successors and assigns

February 18, 2025 PRE 14A

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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

February 4, 2025 8-K

Financial Statements and Exhibits, Other Events, 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 earliest event reported: January 30, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

February 4, 2025 DEFA14A

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 earliest event reported: January 30, 2025 NovaBay Pharmaceuticals, Inc. (Ex

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 earliest event reported: January 30, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

January 23, 2025 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

January 23, 2025 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events, 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 earliest event reported: January 16, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

January 23, 2025 EX-99.2

Unaudited Pro Forma Condensed Consolidated Financial Information

Exhibit 99.2 Unaudited Pro Forma Condensed Consolidated Financial Information On January 17, 2025, NovaBay Pharmaceuticals, Inc. (the “Company”) completed the sale (the “Avenova Divestiture”) of its eyecare products sold under the Avenova brand and related assets (the “Avenova Business”) to PRN Physician Recommended Nutriceuticals, LLC. The following unaudited pro forma condensed consolidated fina

January 23, 2025 EX-99.1

NovaBay Pharmaceuticals Completes the Sale of its Eyecare Business to PRN and Further Adjourns its Special Meeting of Stockholders on Dissolution Proposal Stockholders voted to unlock the value of NovaBay’s Avenova® eyecare business by approving the

Exhibit 99.1 NovaBay Pharmaceuticals Completes the Sale of its Eyecare Business to PRN and Further Adjourns its Special Meeting of Stockholders on Dissolution Proposal Stockholders voted to unlock the value of NovaBay’s Avenova® eyecare business by approving the $11.5 million asset sale Reconvened Special Meeting adjourned to allow additional time for votes to reach the 50% threshold of outstandin

January 22, 2025 EX-10.4

Third Amendment to Executive Employment Agreement with Justin M. Hall, effective December 31, 2024

Exhibit 10.4 THIRD AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT This Third Amendment, effective as of December 31, 2024 (the “Amendment”), to the Executive Employment Agreement, dated January 31, 2020, by and between NovaBay Pharmaceuticals, Inc. (the “Company”) and Justin M. Hall (“Executive”), as amended by the First Amendment to Executive Employment Agreement, effective as of December 31, 2021,

January 22, 2025 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 earliest event reported: January 15, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

January 10, 2025 EX-10.1

Transition Services Agreement, dated as of January 3, 2025, by and between NovaBay Pharmaceuticals, Inc. and Phase One Health, LLC

Exhibit 10.1 TRANSITION SERVICES AGREEMENT This Transition Services Agreement (this “Agreement”) dated as of January 3, 2025, is made by and between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Seller”), and Phase One Health, LLC, a Tennessee limited liability company (the “Buyer”). WHEREAS, in connection with the transactions contemplated by that certain Trademark Acquisition Agree

January 10, 2025 EX-2.1

Trademark Acquisition Agreement, dated January 3, 2025, by and between NovaBay Pharmaceuticals, Inc. and Phase One Health, LLC

Exhibit 2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] TRADEMARK ACQUISITION AGREEMENT This TRADEMARK ACQUISITION AGREEMENT (this “Agreement”), dated as of January 3, 2025,

January 10, 2025 8-K

Entry into a Material Definitive Agreement, 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 earliest event reported: January 3, 2025 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-0454536 (

December 19, 2024 8-K

Financial Statements and Exhibits, Other Events, 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 earliest event reported: December 18, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

December 19, 2024 EX-99.1

NovaBay Pharmaceuticals Announces the Further Adjournment of the Special Meeting of Stockholders Reconvened meeting adjourned due to insufficient votes to reach the 50% threshold of outstanding common shares voting in favor of Proposal One and Propos

Exhibit 99.1 NovaBay Pharmaceuticals Announces the Further Adjournment of the Special Meeting of Stockholders Reconvened meeting adjourned due to insufficient votes to reach the 50% threshold of outstanding common shares voting in favor of Proposal One and Proposal Two Stockholders who have not voted are strongly encouraged to vote FOR Proposal One and FOR Proposal Two at the Special Meeting to re

December 11, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

December 9, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

November 26, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

November 22, 2024 EX-99.1

NovaBay Pharmaceuticals to Reconvene Special Meeting of Stockholders on December 18, 2024 Initial meeting adjourned due to insufficient votes to reach the 50% threshold of outstanding common shares voting in favor of Proposal One and Proposal Two Sto

Exhibit 99.1 NovaBay Pharmaceuticals to Reconvene Special Meeting of Stockholders on December 18, 2024 Initial meeting adjourned due to insufficient votes to reach the 50% threshold of outstanding common shares voting in favor of Proposal One and Proposal Two Stockholders who have not voted are strongly encouraged to vote FOR Proposal One and Proposal Two EMERYVILLE, Calif. (November 22, 2024) – N

November 22, 2024 8-K

Financial Statements and Exhibits, Other Events, 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 earliest event reported: November 22, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

November 15, 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 (Amendment No. )

DEFA14A 1 nby20241114defa14a.htm FORM 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 (Amendment No. ) 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 O

November 13, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

November 12, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

November 12, 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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

November 8, 2024 SC 13G/A

NBY / NovaBay Pharmaceuticals, Inc. / Hudson Bay Capital Management LP - NBY 13G/A Passive Investment

SC 13G/A 1 nby13ga.htm NBY 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* NovaBay Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 66987P409 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appro

November 7, 2024 10-Q

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

Table of Contents 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 For the transition period from to Commission file numbe

November 6, 2024 EX-2.1

Amendment No. 1 to Asset Purchase Agreement, dated as of November 5, 2024, between PRN Physician Recommended Nutriceuticals, LLC and NovaBay Pharmaceuticals, Inc.

Exhibit 2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version AMENDMENT NO. 1 TO ASSET PURCHASE AGREEMENT This Amendment No. 1, dated as of November 5, 2024 (the

November 6, 2024 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

November 6, 2024 EX-99.1

NovaBay Pharmaceuticals Accepts Revised Offer from PRN Physician Recommended Nutriceuticals, LLC and Enters into an Amendment to the Asset Purchase Agreement to Increase Purchase Price

Exhibit 99.1 NovaBay Pharmaceuticals Accepts Revised Offer from PRN Physician Recommended Nutriceuticals, LLC and Enters into an Amendment to the Asset Purchase Agreement to Increase Purchase Price EMERYVILLE, Calif. (November 6, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) today announces that the Company has accepted a revised transaction proposal from

November 6, 2024 EX-10.1

Secured Promissory Note, dated as of November 5, 2024, between NovaBay Pharmaceuticals, Inc., as borrower, and PRN Physician Recommended Nutriceuticals, as lender.

Exhibit 10.1 Execution Version SECURED PROMISSORY NOTE Borrower: NOVABAY PHARMACEUTICALS, INC. 2000 Powell Street Suite 1150, Emeryville, California 94608 Lenders: PRN PHYSICIAN RECOMMENDED NUTRICEUTICALS, LLC 5 Sentry Pkwy E, Suite 210 Blue Bell, Pennsylvania 19422 Principal Amount: $1,000,000.00 Date of Promissory Note: November 5, 2024 PROMISE TO PAY. FOR VALUE RECEIVED, NOVABAY PHARMACEUTICALS

November 6, 2024 EX-99.1

Press Release dated as of November 6, 2024

Exhibit 99.1 NovaBay Pharmaceuticals Accepts Revised Offer from PRN Physician Recommended Nutriceuticals, LLC and Enters into an Amendment to the Asset Purchase Agreement to Increase Purchase Price EMERYVILLE, Calif. (November 6, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) today announces that the Company has accepted a revised transaction proposal from

November 6, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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 earliest event reported: November 5, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-0454536

November 6, 2024 EX-2.1

Amendment No. 1 to Asset Purchase Agreement, dated as of November 5, 2024, between PRN Physician Recommended Nutriceuticals, LLC and NovaBay Pharmaceuticals, Inc.

Exhibit 2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version AMENDMENT NO. 1 TO ASSET PURCHASE AGREEMENT This Amendment No. 1, dated as of November 5, 2024 (the

November 6, 2024 EX-10.1

Secured Promissory Note, dated as of November 5, 2024, between NovaBay Pharmaceuticals, Inc., as borrower, and PRN Physician Recommended Nutriceuticals, LLC, as lender.

Exhibit 10.1 Execution Version SECURED PROMISSORY NOTE Borrower: NOVABAY PHARMACEUTICALS, INC. 2000 Powell Street Suite 1150, Emeryville, California 94608 Lenders: PRN PHYSICIAN RECOMMENDED NUTRICEUTICALS, LLC 5 Sentry Pkwy E, Suite 210 Blue Bell, Pennsylvania 19422 Principal Amount: $1,000,000.00 Date of Promissory Note: November 5, 2024 PROMISE TO PAY. FOR VALUE RECEIVED, NOVABAY PHARMACEUTICALS

October 29, 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 earliest event reported: October 29, 2024

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 earliest event reported: October 29, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-0454536

October 29, 2024 EX-99.1

Press Release dated as of October 29, 2024

Exhibit 99.1 NovaBay Pharmaceuticals Board Determines Unsolicited Offer is Superior to Asset Purchase Agreement with PRN Physician Recommended Nutriceuticals, LLC EMERYVILLE, Calif. (October 29, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces that the Company’s board of directors has determined that an unsolicited and non-binding offer from Refres

October 29, 2024 EX-99.1

NovaBay Pharmaceuticals Board Determines Unsolicited Offer is Superior to Asset Purchase Agreement with PRN Physician Recommended Nutriceuticals, LLC

Exhibit 99.1 NovaBay Pharmaceuticals Board Determines Unsolicited Offer is Superior to Asset Purchase Agreement with PRN Physician Recommended Nutriceuticals, LLC EMERYVILLE, Calif. (October 29, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces that the Company’s board of directors has determined that an unsolicited and non-binding offer from Refres

October 29, 2024 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

October 16, 2024 8-K

Regulation FD Disclosure, 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 earliest event reported: October 16, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-0454536

October 16, 2024 DEFM14A

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 (Amendment No. )

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 (Amendment No. ) 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)) ☒ Defin

September 25, 2024 PREM14A

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 (Amendment No. )

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 (Amendment No. ) 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)) ☐ Defin

September 25, 2024 EX-FILING FEES

Calculation of Filing Fee Tables Schedule 14A (Form Type) NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Value

Exhibit 107 Calculation of Filing Fee Tables Schedule 14A (Form Type) NovaBay Pharmaceuticals, Inc.

September 20, 2024 EX-99.1

Press Release dated as of September 20, 2024

Exhibit 99.1 NovaBay Pharmaceuticals Signs Definitive Agreement to Sell its Avenova Assets EMERYVILLE, Calif. (September 20, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces it has entered into a definitive asset purchase agreement (the “Agreement”) with PRN Physician Recommended Nutriceuticals, LLC (“PRN”) to sell the assets of its Avenova® brand

September 20, 2024 EX-2.2

Plan of Complete Liquidation and Dissolution of NovaBay Pharmaceuticals, Inc.

Exhibit 2.2 PLAN OF COMPLETE LIQUIDATION AND DISSOLUTION OF NOVABAY PHARMACEUTICALS, INC. This Plan of Complete Liquidation and Dissolution (the “Plan”) is intended to constitute a plan of distribution under Sections 280 and 281(a) of the General Corporation Law of the State of Delaware (the “DGCL”) and accomplish the complete liquidation and dissolution of NovaBay Pharmaceuticals, Inc., a Delawar

September 20, 2024 EX-2.1

Asset Purchase Agreement, dated September 19, 2024, by and between NovaBay Pharmaceuticals, Inc. and PRN Physician Recommended Nutriceuticals, LLC

Exhibit 2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version ASSET PURCHASE AGREEMENT Between NOVABAY PHARMACEUTICALS, INC. And PRN PHYSICIAN RECOMMENDED NUTRICE

September 20, 2024 DEFA14A

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 earliest event reported: September 19, 2024

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 earliest event reported: September 19, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-045453

September 20, 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 earliest event reported: September 19, 2024

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 earliest event reported: September 19, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware (State of Other Jurisdiction of Incorporation) 001-33678 (Commission File Number) 68-045453

September 20, 2024 EX-2.1

Asset Purchase Agreement, dated September 19, 2024, by and among NovaBay Pharmaceuticals, Inc. and PRN Physician Recommended Nutriceuticals, LLC

Exhibit 2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED FROM THIS EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) IS THE TYPE OF INFORMATION THAT THE REGISTRANT TREATS AS PRIVATE OR CONFIDENTIAL. THE REDACTED TERMS HAVE BEEN MARKED WITH THE FOLLOWING MARKING: [Redacted.] Execution Version ASSET PURCHASE AGREEMENT Between NOVABAY PHARMACEUTICALS, INC. And PRN PHYSICIAN RECOMMENDED NUTRICE

September 20, 2024 EX-99.1

NovaBay Pharmaceuticals Signs Definitive Agreement to Sell its Avenova Assets

Exhibit 99.1 NovaBay Pharmaceuticals Signs Definitive Agreement to Sell its Avenova Assets EMERYVILLE, Calif. (September 20, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announces it has entered into a definitive asset purchase agreement (the “Agreement”) with PRN Physician Recommended Nutriceuticals, LLC (“PRN”) to sell the assets of its Avenova® brand

September 20, 2024 EX-2.2

Plan of Complete Liquidation and Dissolution of NovaBay Pharmaceuticals, Inc. (incorporated by reference to Exhibit 2.2 of the Company’s Current Report on Form 8-K filed September 20, 2024)

Exhibit 2.2 PLAN OF COMPLETE LIQUIDATION AND DISSOLUTION OF NOVABAY PHARMACEUTICALS, INC. This Plan of Complete Liquidation and Dissolution (the “Plan”) is intended to constitute a plan of distribution under Sections 280 and 281(a) of the General Corporation Law of the State of Delaware (the “DGCL”) and accomplish the complete liquidation and dissolution of NovaBay Pharmaceuticals, Inc., a Delawar

August 13, 2024 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 001

July 29, 2024 EX-99.1

NovaBay Pharmaceuticals Announces Pricing of $3.5 Million Underwritten Public Offering

Exhibit 99.1 NovaBay Pharmaceuticals Announces Pricing of $3.5 Million Underwritten Public Offering EMERYVILLE, Calif. (July 26, 2024) – NovaBay Pharmaceuticals, Inc. (NYSE American: NBY) (the “Company” or “NovaBay”), today announced the pricing of its underwritten public offering of 3,200,380 shares of common stock (or pre-funded warrants in lieu thereof), 3,200,380 Series F-1 warrants to purchas

July 29, 2024 EX-4.3

Form of Series F-3 Common Stock Warrant

Exhibit 4.3 SERIES F-3 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. CUSIP: 66987P 144 ISIN: US66987P144 Warrant Shares: 3,537,212 Initial Exercise Date: July 29, 2024 THIS SERIES F-3 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, CEDE & CO. or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the

July 29, 2024 EX-4.2

Form of Series F-2 Common Stock Warrant

Exhibit 4.2 SERIES F-2 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. CUSIP: 66987P 136 ISIN: US66987P136 Warrant Shares: 3,537,212 Initial Exercise Date: July 29, 2024 THIS SERIES F-2 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, CEDE & CO. or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the

July 29, 2024 424B4

1,158,566 Shares of Common Stock and 3,200,380 Series F-1 Warrants to Purchase up to 3,200,380 Shares of Common Stock and 3,200,380 Series F-2 Warrants to Purchase up to 3,200,380 Shares of Common Stock and 3,200,380 Series F-3 Warrants to Purchase u

PROSPECTUS Filed Pursuant to Rule 424(b)(4) Registration No. 333-280423 1,158,566 Shares of Common Stock and 3,200,380 Series F-1 Warrants to Purchase up to 3,200,380 Shares of Common Stock and 3,200,380 Series F-2 Warrants to Purchase up to 3,200,380 Shares of Common Stock and 3,200,380 Series F-3 Warrants to Purchase up to 3,200,380 Shares of Common Stock 2,041,814 Pre-Funded Warrants to Purchas

July 29, 2024 EX-4.1

Form of Series F-1 Common Stock Warrant

Exhibit 4.1 SERIES F-1 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. CUSIP: 66987P 110 ISIN: US66987P110 Warrant Shares: 3,537,212 Initial Exercise Date: July 29, 2024 THIS SERIES F-1 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, CEDE & CO. or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the

July 29, 2024 EX-10.1

Warrant Agency Agreement, dated July 29, 2024, by and between the Company and Equinti Trust Company, LLC

Exhibit 10.1 NOVABAY PHARMACEUTICALS, INC. and EQUINITI TRUST COMPANY, LLC as Warrant Agent Warrant Agency Agreement Dated as of July 29, 2024 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT, dated as of July 29, 2024 (“Agreement”), between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, a New York limited liability trust company (the “Warr

July 29, 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): July 26, 2024 NovaBay Pharmaceuti

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 26, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commis

July 29, 2024 EX-4.4

Form of Pre-Funded Common Stock Warrant

Exhibit 4.4 PRE-FUNDED COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. CUSIP # 66987P 128 Warrant Shares: 2,041,814 Initial Exercise Date: July 29, 2024 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, CEDE & CO. or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions herein

July 29, 2024 EX-99.2

NovaBay Pharmaceuticals Announces Closing of $3.87 Million Underwritten Public Offering, Including Partial Exercise of Overallotment Option

Exhibit 99.2 NovaBay Pharmaceuticals Announces Closing of $3.87 Million Underwritten Public Offering, Including Partial Exercise of Overallotment Option EMERYVILLE, Calif. (July 29, 2024) – NovaBay Pharmaceuticals, Inc. (NYSE American: NBY) (the “Company” or “NovaBay”) today announced the closing of its previously announced underwritten public offering of common stock, pre-funded warrants, Series

July 29, 2024 EX-1.1

Underwriting Agreement, dated July 26, 2024, by and between the Company and Ladenburg Thalmann & Co., Inc.

Exhibit 1.1 1,158,566 SHARES OF COMMON STOCK, PRE-FUNDED WARRANTS EXERCISABLE INTO 2,041,814 SHARES OF COMMON STOCK, SERIES F-1 WARRANTS EXERCISABLE INTO 3,200,380 SHARES OF COMMON STOCK, SERIES F-2 WARRANTS EXERCISABLE INTO 3,200,380 SHARES OF COMMON STOCK AND SERIES F-3 WARRANTS EXERCISABLE INTO 3,200,380 SHARES OF COMMON STOCK OF NOVABAY PHARMACEUTICALS, INC. UNDERWRITING AGREEMENT July 26, 202

July 26, 2024 POS EX

As filed with the Securities and Exchange Commission on July 26, 2024

As filed with the Securities and Exchange Commission on July 26, 2024 Registration No.

July 25, 2024 EX-4

Form of Warrant Agency Agreement

Exhibit 4.20 NOVABAY PHARMACEUTICALS, INC. and EQUINITI TRUST COMPANY, LLC as Warrant Agent Warrant Agency Agreement Dated as of , 2024 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT, dated as of , 2024 (“Agreement”), between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, a New York limited liability trust company (the “Warrant Agent” or

July 25, 2024 EX-4

Form of Series F-1 Common Stock Warrant

Exhibit 4.16 SERIES F-1 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS SERIES F-1 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 25, 2024 S-1/A

As filed with the Securities and Exchange Commission on July 24, 2024

As filed with the Securities and Exchange Commission on July 24, 2024 Registration No.

July 25, 2024 EX-1

Form of Underwriting Agreement

Exhibit 1.1 [] SHARES OF COMMON STOCK, PRE-FUNDED WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK, SERIES F-1 WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK, SERIES F-2 WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK AND SERIES F-3 WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK OF NOVABAY PHARMACEUTICALS, INC. UNDERWRITING AGREEMENT [], 2024 Ladenburg Thalmann & Co. Inc., as the

July 25, 2024 EX-4

Form of Series F-3 Common Stock Warrant

Exhibit 4.18 SERIES F-3 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS SERIES F-3 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 25, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) NOVABAY PHARMACEUTICALS, INC.

July 25, 2024 EX-4

Form of Series F-2 Common Stock Warrant

Exhibit 4.17 SERIES F-2 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS SERIES F-2 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 22, 2024 CORRESP

Ladenburg Thalmann & Co. Inc. 640 Fifth Avenue, 4th Floor New York, New York 10019

Ladenburg Thalmann & Co. Inc. 640 Fifth Avenue, 4th Floor New York, New York 10019 July 22, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, DC 20549 Attn: Jimmy McNamara Re: NovaBay Pharmaceuticals, Inc. (the “Company”) Registration Statement on Form S-1 File No. 333-280423 Ladies and Gentlemen: Ladenburg

July 22, 2024 CORRESP

July 22, 2024

July 22, 2024 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, DC 20549 Attn: Jimmy McNamara Re: NovaBay Pharmaceuticals, Inc. (the “Company”) Registration Statement on Form S-1 File No. 333-280423 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, the Company hereby respec

July 15, 2024 S-1/A

As filed with the Securities and Exchange Commission on July 12, 2024

As filed with the Securities and Exchange Commission on July 12, 2024 Registration No.

July 11, 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 earliest event reported: July 11, 2024 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: July 11, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

July 11, 2024 FWP

NovaBay Pharmaceuticals Reports Preliminary Second Quarter 2024 Net Revenue of $2.4 Million Eyecare revenue for both the second quarter and the first half of 2024 increased by 9% over the comparable prior-year periods, driven by higher online sales T

Filed Pursuant to Rule 433 of the Securities Act of 1933 Issuer Free Writing Prospectus dated July 11, 2024 Registration Statement No.

July 11, 2024 EX-99.1

NovaBay Pharmaceuticals Reports Preliminary Second Quarter 2024 Net Revenue of $2.4 Million Eyecare revenue for both the second quarter and the first half of 2024 increased by 9% over the comparable prior-year periods, driven by higher online sales T

Exhibit 99.1 NovaBay Pharmaceuticals Reports Preliminary Second Quarter 2024 Net Revenue of $2.4 Million Eyecare revenue for both the second quarter and the first half of 2024 increased by 9% over the comparable prior-year periods, driven by higher online sales The number of Avenova® subscribers on Amazon increased by 64% since the beginning of 2023 and by 123% since the beginning of 2022 EMERYVIL

July 10, 2024 EX-4.18

Form of Pre-Funded Warrant

Exhibit 4.18 PRE-FUNDED COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS PRE-FUNDED COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 10, 2024 EX-4.16

Form of Series F-1 Common Stock Warrant

Exhibit 4.16 SERIES F-1 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS SERIES F-1 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 10, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) NOVABAY PHARMACEUTICALS, INC.

July 10, 2024 EX-4.17

Form of Series F-2 Common Stock Warrant

Exhibit 4.17 SERIES F-2 COMMON STOCK PURCHASE WARRANT NOVABAY PHARMACEUTICALS, INC. Warrant Shares: [] Initial Exercise Date: [], 2024 THIS SERIES F-2 COMMON STOCK PURCHASE WARRANT (the “Warrant”) certifies that, for value received, [] or its assigns (the “Holder”) is entitled, upon the terms and subject to the limitations on exercise and the conditions hereinafter set forth, at any time on or aft

July 10, 2024 S-1/A

As filed with the Securities and Exchange Commission on July 10, 2024

As filed with the Securities and Exchange Commission on July 10, 2024 Registration No.

July 10, 2024 FWP

Filed Pursuant to Rule 433 of the Securities Act of 1933

Filed Pursuant to Rule 433 of the Securities Act of 1933 Issuer Free Writing Prospectus dated July 10, 2024 Registration Statement No. 333-280423

July 10, 2024 EX-4.19

Form of Warrant Agency Agreement

Exhibit 4.19 NOVABAY PHARMACEUTICALS, INC. and EQUINITI TRUST COMPANY, LLC as Warrant Agent Warrant Agency Agreement Dated as of , 2024 WARRANT AGENCY AGREEMENT WARRANT AGENCY AGREEMENT, dated as of , 2024 (“Agreement”), between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and Equiniti Trust Company, LLC, a New York limited liability trust company (the “Warrant Agent” or

July 10, 2024 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 [] SHARES OF COMMON STOCK, PRE-FUNDED WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK, SERIES F-1 WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK AND SERIES F-2 WARRANTS EXERCISABLE INTO [] SHARES OF COMMON STOCK OF NOVABAY PHARMACEUTICALS, INC. UNDERWRITING AGREEMENT [], 2024 Ladenburg Thalmann & Co. Inc., as the Representative of the several Underwriters, if any, named in Sch

June 28, 2024 424B3

298,355 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-280363 PROSPECTUS 298,355 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled “Selling Stockholders” (the “Selling Stockholders”) of up to an aggregate of 298,355 shares (the “Shares”) of NovaBay Pharmaceuticals, Inc.’s (“us”, “we”, “o

June 25, 2024 CORRESP

June 25, 2024

June 25, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

June 21, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) NOVABAY PHARMACEUTICALS, INC.

June 21, 2024 S-1

As filed with the Securities and Exchange Commission on June 21, 2024

As filed with the Securities and Exchange Commission on June 21, 2024 Registration No.

June 21, 2024 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 NovaBay Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter)

As filed with the Securities and Exchange Commission on June 21, 2024. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NovaBay Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 68-0454536 (State or other jurisdiction of incorporation or organization) (I

June 21, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table            S-8          (Form Type)                 NovaBay Pharmaceuticals, Inc.

June 21, 2024 EX-4.2

Specimen Common Stock Certificate

Exhibit 4.2

June 20, 2024 S-1

As filed with the Securities and Exchange Commission on June 20, 2024

As filed with the Securities and Exchange Commission on June 20, 2024 Registration No.

June 20, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-1 (Form Type) NOVABAY PHARMACEUTICALS, INC.

June 14, 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 earliest event reported: June 14, 2024 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: June 14, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 14, 2024 EX-4.1

Form of Series E Common Stock Warrant

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTR

June 14, 2024 EX-10.1

Form of Letter Agreement, dated June 14, 2024

Exhibit 10.1 June 14, 2024 [●] Re: Warrant Exercise Agreement To Whom It May Concern: NovaBay Pharmaceuticals, Inc. (the “Company”) previously issued and delivered to you (“Holder” or “you” or “your”): (1) warrants issued in September 2022 (the “September 2022 Warrants”) to purchase Company common stock, par value $0.01 per share (“Common Stock”); (2) Series A-1 warrants issued in November 2022 (t

June 7, 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 earliest event reported: June 4, 2024 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: June 4, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R

June 7, 2024 EX-99.1

NovaBay Pharmaceuticals Plan of Compliance Accepted by the NYSE American

Exhibit 99.1 NovaBay Pharmaceuticals Plan of Compliance Accepted by the NYSE American EMERYVILLE, Calif. (June 7, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (the “Company”) announces that the NYSE American LLC (“NYSE American”) has accepted the Company’s plan to regain compliance with NYSE American’s continued listing standards. “I’m pleased to report on our forward momentum. By d

May 31, 2024 EX-3.1

Amendment to Amended and Restated Certificate of Incorporation, as amended, dated May 30, 2024

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF NOVABAY PHARMACEUTICALS, INC. NOVABAY PHARMACEUTICALS, INC., a corporation organized and existing under, and by virtue of, the General Corporation Law of the State of Delaware, hereby certifies that: FIRST: The name of the Corporation is NovaBay Pharmaceuticals, Inc. (the “Corporation”). SECOND: The Corpor

May 31, 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 earliest event reported: May 30, 2024 NovaBay Pharmaceuticals, Inc. (Exact

-12-31 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 earliest event reported: May 30, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

May 31, 2024 8-K/A

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A 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 (March 25, 2024) NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorpor

May 31, 2024 EX-99.1

Unaudited Pro Forma Condensed Consolidated Financial Information

Exhibit 99.1 Unaudited Pro Forma Condensed Consolidated Financial Information On March 25, 2024, NovaBay Pharmaceuticals, Inc. (the “Company” or “NovaBay”) completed the sale of its wholly-owned subsidiary, DERMAdoctor, LLC, a Missouri limited liability company (“DERMAdoctor”) (the “DERMAdoctor Divestiture”). The following unaudited pro forma condensed consolidated financial information has been d

May 29, 2024 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Other Events, 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 earliest event reported: May 28, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R

May 29, 2024 EX-99.1

NovaBay Pharmaceuticals Announces Approval of All Proposals at its 2024 Annual Meeting of Stockholders and Provides Other Corporate Updates Announces a 1-for-35 Reverse Stock Split and Receipt of NYSE American Notice Regarding Stockholders’ Equity

Exhibit 99.1 NovaBay Pharmaceuticals Announces Approval of All Proposals at its 2024 Annual Meeting of Stockholders and Provides Other Corporate Updates Announces a 1-for-35 Reverse Stock Split and Receipt of NYSE American Notice Regarding Stockholders’ Equity EMERYVILLE, Calif. (May 29, 2024) – NovaBay® Pharmaceuticals, Inc. the “Company”) (NYSE American: NBY) announces that a quorum was reached

May 9, 2024 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 00

April 22, 2024 EX-99.1

Corporate Update Presentation, released April 22, 2024

Exhibit 99.1

April 22, 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 earliest event reported: April 22, 2024 NovaBay Pharmaceuticals, Inc. (Exac

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 earliest event reported: April 22, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

April 19, 2024 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, 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 earliest event reported: April 18, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

April 19, 2024 EX-99.1

NovaBay Pharmaceuticals Receives a NYSE American Notice Regarding Stockholder Equity

Exhibit 99.1 NovaBay Pharmaceuticals Receives a NYSE American Notice Regarding Stockholder Equity EMERYVILLE, Calif. (April 19, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) announces that on April 18, 2024 it received a notice from the NYSE American LLC stating that the Company is below compliance with the NYSE American continued listing standards set forth in Sections 1003(a)(ii) a

April 18, 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 (Amendment No. )

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 (Amendment No. ) 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)

April 18, 2024 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

April 8, 2024 PRE 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 (Amendment No. )

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 (Amendment No. ) 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)

March 29, 2024 10-K/A

 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1

 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 (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 -12-31FY2023 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

March 26, 2024 10-K

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

Table of Contents 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 001-336

March 26, 2024 8-K

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, 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 earliest event reported: March 25, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

March 26, 2024 EX-10.8

2024 Non-Employee Director Compensation Plan

Exhibit 10.8+ NON-EMPLOYEE DIRECTOR COMPENSATION PLAN January 1, 2024 1. Purpose. The purpose of NovaBay Pharmaceuticals, Inc. (hereinafter referred to as “NovaBay” or the “Company) Non-Employee Director Compensation Plan (the “Plan”) is to advance the interests of NovaBay and its stockholders by closely aligning the interests of the Non-Employee Directors with the Company and its stockholders. Th

March 26, 2024 EX-97

NovaBay Pharmaceuticals, Inc. Policy for Recoupment of Incentive Compensation

Exhibit 97 NovaBay Pharmaceuticals, Inc. Policy for Recoupment of Incentive Compensation In accordance with the applicable rules of the New York Stock Exchange Listed Company Manual and Section 10D and Rule 10D-1 of the Securities Exchange Act of 1934, as amended, the Compensation Committee (the “Committee”) of the Board of Directors of NovaBay Pharmaceuticals, Inc. (the “Company”) has adopted the

March 26, 2024 EX-21

Subsidiaries of NovaBay Pharmaceuticals, Inc.

Exhibit 21 Subsidiaries of NovaBay Pharmaceuticals, Inc. NovaBay Pharmaceuticals, Inc. has no subsidiaries.

March 25, 2024 EX-10.4

Form of Consent and Release, dated March 24, 2024

Exhibit 10.4 CONSENT AND RELEASE THIS CONSENT AND RELEASE (this “Consent and Release”) is entered into as of March 24, 2024 by the purchasers signatory hereto (collectively, the “Purchasers”), in favor of DERMAdoctor, LLC, a Missouri limited liability company (“DERMAdoctor”), as a guarantor party to that certain Subsidiary Guarantee dated as of April 27, 2023 made by DERMAdoctor and the other Guar

March 25, 2024 EX-4.3

Form of Unsecured Convertible Notes

Exhibit 4.3 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE R

March 25, 2024 EX-4.2

Form of Series D Common Stock Warrant

Exhibit 4.2 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTR

March 25, 2024 EX-10.3

Form of First Amendment to the Security Agreement, dated March 24, 2024

Exhibit 10.3 FIRST AMENDMENT TO SECURITY AGREEMENT This FIRST AMENDMENT TO SECURITY AGREEMENT (this “Amendment”) is made and entered into as of March 24, 2024, by and among NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), DERMAdoctor, LLC, a Missouri limited liability company (“DERMAdoctor”, and together with the Company, the “Debtors”), and the holders of the Company’s Origi

March 25, 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 earliest event reported: March 24, 2024 NovaBay Pharmaceuticals, Inc. (Exac

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 earliest event reported: March 24, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

March 14, 2024 EX-2.1

Membership Unit Purchase Agreement dated March 12, 2024, by and among the Company, DERMAdoctor, and New Age Investments

Exhibit 2.1 EXECUTION VERSION MEMBERSHIP UNIT PURCHASE AGREEMENT BY AND AMONG NEW AGE INVESTMENTS LLC, DERMADOCTOR, LLC, AND NOVABAY PHARMACEUTICALS, INC. March 12, 2024 Table of Contents Article 1 Definitions 1 Article 2 Membership Units to be Purchased 1 Article 3 Closing; Purchase Price; Closing Deliverables 1 Article 4 Representations and Warranties of DERMAdoctor 4 Article 5 Representations a

March 14, 2024 EX-99.1

NovaBay Pharmaceuticals Announces Agreement to Sell its DERMAdoctor Skincare Business Segment; Announces Preliminary Financial Results for Fourth Quarter and Year Ended December 31, 2023 DERMAdoctor sale reduces operating expenses and bolsters cash

Exhibit 99.1 NovaBay Pharmaceuticals Announces Agreement to Sell its DERMAdoctor Skincare Business Segment; Announces Preliminary Financial Results for Fourth Quarter and Year Ended December 31, 2023 DERMAdoctor sale reduces operating expenses and bolsters cash EMERYVILLE, Calif. (March 14, 2024) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY), a company developing and commercializing high-q

March 14, 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 earliest event reported: March 12, 2024 NovaBay Pharmaceuticals, Inc. (Exac

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 earliest event reported: March 12, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

February 14, 2024 SC 13G/A

NBY / NovaBay Pharmaceuticals, Inc. / ARMISTICE CAPITAL, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 13, 2024 SC 13G/A

NBY / NovaBay Pharmaceuticals, Inc. / Altium Capital Management LP - AMENDMENT TO FORM SC 13G Passive Investment

SC 13G/A 1 nby-sc13ga123123.htm AMENDMENT TO FORM SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* NOVABAY PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 66987P300 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Fili

February 6, 2024 SC 13G/A

NBY / NovaBay Pharmaceuticals, Inc. / Hudson Bay Capital Management LP - NBY 13GA Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* NovaBay Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 66987P300 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule p

January 10, 2024 EX-10.1

License and Distribution Agreement by and between NovaBay and Sonoma, dated, January 5, 2024

Exhibit 10.1 Certain confidential information contained in this document, marked by brackets, has been omitted because it is both (i) not material and (ii) would be competitively harmful if publicly disclosed. LICENSE AND DISTRIBUTION AGREEMENT This License and Distribution Agreement (this “Agreement”) is made and entered into as of January 5, 2024, by and between NovaBay Pharmaceuticals, Inc., a

January 10, 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 earliest event reported: January 5, 2024 NovaBay Pharmaceuticals, Inc. (Exa

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 earliest event reported: January 5, 2024 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

January 10, 2024 EX-99.1

NovaBay Pharmaceuticals and Sonoma Pharmaceuticals Agree to Market Avenova-branded Products in the European Union Through Sonoma’s Extensive Distributor Network

Exhibit 99.1 NovaBay Pharmaceuticals and Sonoma Pharmaceuticals Agree to Market Avenova-branded Products in the European Union Through Sonoma’s Extensive Distributor Network EMERYVILLE, Calif. and BOULDER, Colo. (January 9, 2024) – NovaBay Pharmaceuticals, Inc. (NYSE American: NBY) and Sonoma Pharmaceuticals, Inc. (Nasdaq: SNOA) today announced an agreement for the sale and marketing of Avenova®-b

December 21, 2023 EX-4.1

Form of Series C Common Stock Warrant

EXHIBIT 4.1 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTR

December 21, 2023 EX-10.1

Form of Letter Agreement, dated December 21, 2023

Exhibit 10.1 December 21, 2023 [] Re: Series B Warrant Exercise Agreement To Whom It May Concern: NovaBay Pharmaceuticals, Inc. (the “Company”) previously issued and delivered to you (“Holder” or “you” or “your”) the Company’s Series B-1 warrants (the “Series B-1 Warrants”) to purchase Company common stock, par value $0.01 per share (“Common Stock”) and the Series B-2 warrants (the “Series B-2 War

December 21, 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 earliest event reported: December 21, 2023 NovaBay Pharmaceuticals, Inc. (E

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 earliest event reported: December 21, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

December 11, 2023 EX-10.3

Second Amendment to Executive Employment Agreement with Justin M. Hall, effective December 31, 2023

Exhibit 10.3 SECOND AMENDMENT TO EXECUTIVE EMPLOYMENT AGREEMENT This Second Amendment, effective as of December 31, 2023 (the “Amendment”), to the Executive Employment Agreement dated January 31, 2020, by and between NovaBay Pharmaceuticals, Inc. (the “Company”) and Justin M. Hall (“Executive”), as amended by the First Amendment to Executive Employment Agreement, effective as of December 31, 2021

December 11, 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 earliest event reported: December 7, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

November 9, 2023 10-Q

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

Table of Contents 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 For the transition period from to Commission file numbe

October 2, 2023 CORRESP

* * * * *

October 2, 2023 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Disclosure Review Program 100 F Street, NE Washington, D.

August 10, 2023 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 001

July 7, 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 earliest event reported: July 6, 2023 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: July 6, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R

July 6, 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 earliest event reported: June 29, 2023 NovaBay Pharmaceuticals, Inc. (Exact

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 earliest event reported: June 29, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

June 14, 2023 EX-3.1

Bylaws, as amended and restated effective June 13, 2023

Exhibit 3.1 BYLAWS OF NOVABAY PHARMACEUTICALS, INC. (A DELAWARE CORPORATION) (as amended and restated effective June 13, 2023) TABLE OF CONTENTS Page ARTICLE I OFFICES 1 Section 1. Registered Office 1 Section 2. Other Offices 1 ARTICLE II CORPORATE SEAL 1 Section 3. Corporate Seal 1 ARTICLE III STOCKHOLDERS’ MEETINGS 1 Section 4. Place of Meetings 1 Section 5. Annual Meetings 1 Section 6. Special

June 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 earliest event reported: June 9, 2023 NovaBay Pharmaceuticals, Inc. (Exact

-12-31 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 earliest event reported: June 9, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Numbe

June 8, 2023 424B3

7,615,392 Shares of Common Stock

424B3 1 nby20230606e424b3.htm FORM 424B3 Filed Pursuant to Rule 424(b)(3) Registration No. 333-272304 PROSPECTUS 7,615,392 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled “Selling Stockholders” (the “Selling Stockholders”) of up to 7,615,392 shares (the “Shares”) of NovaBay Pharmaceut

June 8, 2023 424B3

7,863,570 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-272297 PROSPECTUS 7,863,570 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled “Selling Stockholders” (the “Selling Stockholders”) of up to an aggregate of 7,863,570 shares (the “Shares”) of NovaBay Pharmaceuticals, Inc.’s (“us”, “we”

June 6, 2023 CORRESP

June 6, 2023

June 6, 2023 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

June 6, 2023 CORRESP

June 6, 2023

June 6, 2023 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

May 31, 2023 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table            S-1           (Form Type)                 NovaBay Pharmaceuticals, Inc.

May 31, 2023 424B3

1,548,502 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-268738 Prospectus Supplement (To the Prospectus Dated December 15, 2022) 1,548,502 Shares of Common Stock Under that certain prospectus, dated December 15, 2022 (the “Prospectus”), filed as part of our registration statement on Form S-1 (File No. 333-268738), NovaBay Pharmaceuticals, Inc. (the “Company”) registered for resale, from time to time

May 31, 2023 424B3

1,071,433 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262550 Prospectus Supplement (To the Prospectus Dated February 10, 2022, As supplemented by the Prospectus Supplement Dated September 15, 2022) 1,071,433 Shares of Common Stock Under that certain prospectus, dated February 10, 2022 (the “Prospectus”), filed as part of our registration statement on Form S-1 (File No. 333-262550), as initially su

May 31, 2023 S-1

As filed with the Securities and Exchange Commission on May 31, 2023

As filed with the Securities and Exchange Commission on May 31, 2023 Registration No.

May 31, 2023 S-1

As filed with the Securities and Exchange Commission on May 31, 2023

As filed with the Securities and Exchange Commission on May 31, 2023 Registration No.

May 31, 2023 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table            S-1           (Form Type)                 NovaBay Pharmaceuticals, Inc.

May 23, 2023 424B3

327,860 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333- 269083 PROSPECTUS 327,860 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled “Selling Stockholders” (the “Selling Stockholders”) of up to 327,860 shares (the “Shares”) of NovaBay Pharmaceuticals, Inc.’s (“us”, “we”, “our”, “NovaBay”,

May 18, 2023 CORRESP

May 18, 2023

May 18, 2023 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

May 18, 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 (Amendment No. )

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 (Amendment No. ) 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)

May 17, 2023 S-1/A

As filed with the Securities and Exchange Commission on May 17, 2023

As filed with the Securities and Exchange Commission on May 17, 2023 Registration No.

May 17, 2023 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table            S-1           (Form Type)                 NovaBay Pharmaceuticals, Inc.

May 11, 2023 10-Q

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

Table of Contents 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 For the transition period from to Commission file number 00

May 8, 2023 PRE 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 (Amendment No. )

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 (Amendment No. ) 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)

May 4, 2023 DEFA14A

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 earliest event reported: May 1, 2023 NovaBay Pharmaceuticals, Inc. (Exact N

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 earliest event reported: May 1, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.

May 2, 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 earliest event reported: May 1, 2023 NovaBay Pharmaceuticals, Inc. (Exact N

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 earliest event reported: May 1, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.

April 28, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 1 (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 -12-31FY2022 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 n

April 27, 2023 EX-10.1

Form of Securities Purchase Agreement*

Exhibit 10.1 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this “Agreement”) is dated as of April 27, 2023, between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a “Purchaser” and collectively, the “Purchasers”). WHEREAS, subject to the terms and con

April 27, 2023 EX-4.3

Form of Series B-2 Short-Term Warrant

Exhibit 4.3 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTR

April 27, 2023 EX-4.1

Form of Original Issue Discount Secured Senior Convertible Debenture

Exhibit 4.1 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE REGIST

April 27, 2023 EX-10.5

Form of Registration Rights Agreement

Exhibit 10.5 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) is made and entered into as of April 27, 2023, between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), and each of the several purchasers signatory hereto (each such purchaser, a “Purchaser” and, collectively, the “Purchasers”). This Agreement is made pursuant to the Securities P

April 27, 2023 EX-99.1

NovaBay Pharmaceuticals Announces $3.0 Million Convertible Note Financing

Exhibit 99.1 NovaBay Pharmaceuticals Announces $3.0 Million Convertible Note Financing EMERYVILLE, Calif. (April 27, 2023) – NovaBay® Pharmaceuticals, Inc. (NYSE American: NBY) (“NovaBay” or the “Company”) announced today that it has entered into a securities purchase agreement with institutional accredited investors (“Purchasers”) in connection with a private placement to issue secured senior con

April 27, 2023 EX-10.2

Form of Security Agreement*

Exhibit 10.2 EXHIBIT E SECURITY AGREEMENT This SECURITY AGREEMENT, dated as of April 27, 2023 (this “Agreement”), is among NovaBay Pharmaceuticals, Inc., a Delaware corporation (the “Company”), all of the Subsidiaries of the Company (such subsidiaries, the “Guarantors” and together with the Company, the “Debtors”) and the holders of the Company’s Original Issue Discount Senior Secured Convertible

April 27, 2023 EX-10.4

Form of Voting Commitment

Exhibit 10.4 EXHIBIT A TO: NovaBay Pharmaceuticals, Inc. (the “Company”) and the Purchasers (as defined in the Securities Purchase Agreement, dated April 27, 2023, by and between the Company and the purchasers signatory thereto (the “Purchase Agreement”)) To Whom It May Concern: Reference is made to the Purchase Agreement entered into by and between the Company and the Purchasers that provides for

April 27, 2023 EX-4.2

Form of Series B-1 Long-Term Warrant

Exhibit 4.2 NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTR

April 27, 2023 EX-4.4

Form of Warrant Amendment Agreement

Exhibit 4.4 WARRANT AMENDMENT AGREEMENT This Warrant Amendment Agreement (this “Agreement”), dated as of April 27, 2023, is by and between NovaBay Pharmaceuticals, Inc. a Delaware corporation (the “Company”), and the undersigned holder (the “Holder”) of warrants to purchase shares of the Company’s common stock, par value $0.01 per share (the “Common Stock”). WHEREAS, the Holder is participating in

April 27, 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 earliest event reported: April 27, 2023 NovaBay Pharmaceuticals, Inc. (Exac

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 earliest event reported: April 27, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

April 27, 2023 EX-10.3

Form of Subsidiary Guarantee

Exhibit 10.3 SUBSIDIARY GUARANTEE SUBSIDIARY GUARANTEE, dated as of , 2023 (this “Guarantee”), made by each of the signatories hereto (together with any other entity that may become a party hereto as provided herein, the “Guarantors”), in favor of the purchasers signatory (together with their permitted assigns, the “Purchasers”) to that certain Securities Purchase Agreement, dated as of the date h

March 31, 2023 EX-21

Subsidiaries of NovaBay Pharmaceuticals, Inc.

Exhibit 21 Subsidiaries of NovaBay Pharmaceuticals, Inc. The following is the sole subsidiary of NovaBay Pharmaceuticals, Inc.: Name State of Incorporation DERMAdoctor, LLC Missouri

March 31, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table S-8 (Form Type) NovaBay Pharmaceuticals, Inc.

March 31, 2023 EX-10.15

2023 Non-Employee Director Compensation Plan

Exhibit 10.15 NON-EMPLOYEE DIRECTOR COMPENSATION PLAN January 1, 2023 1. Purpose. The purpose of NovaBay Pharmaceuticals, Inc. (hereinafter referred to as “NovaBay” or the “Company) Non-Employee Director Compensation Plan (the “Plan”) is to advance the interests of NovaBay and its stockholders by closely aligning the interests of the Non-Employee Directors with the Company and its stockholders. Th

March 31, 2023 EX-4.1

Description of Securities

Exhibit 4.1 DESCRIPTION OF SECURITIES Our authorized capital stock consists of 150,000,000 shares of common stock, $0.01 par value per share (“Common Stock”), and 5,000,000 shares of preferred stock, $0.01 par value per share. A description of material terms and provisions of our Amended and Restated Certificate of Incorporation (“Certificate of Incorporation”) and Bylaws, as amended and restated

March 31, 2023 S-8

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT THE SECURITIES ACT OF 1933 NovaBay Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter)

As filed with the Securities and Exchange Commission on March 31, 2023. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NovaBay Pharmaceuticals, Inc. (Exact name of registrant as specified in its charter) Delaware 68-0454536 (State or other jurisdiction of incorporation or organization) (

March 31, 2023 EX-10.33

Consulting Agreement between the Company and Andrew Jones, dated February 15, 2023

Exhibit 10.33 CONSULTING AGREEMENT This Consulting Agreement (“Agreement”) is entered into as of February 15, 2023 (“Effective Date”), by and between Andrew Jones, an individual with principal place of residence at (“Consultant”), and NovaBay Pharmaceuticals, Inc. (“Company”), a Delaware corporation whose address 2000 Powell St. Suite 1150, Emeryville, CA 94608, each separately referred as a “Part

March 31, 2023 10-K

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

Table of Contents 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 001-336

March 31, 2023 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table            S-1           (Form Type)                 NovaBay Pharmaceuticals, Inc.

March 31, 2023 S-1/A

As filed with the Securities and Exchange Commission on March 31, 2023

S-1/A 1 nby20230306s1a.htm FORM S-1/A As filed with the Securities and Exchange Commission on March 31, 2023 Registration No. 333- 269083 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 NOVABAY PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) Delaware (State or ot

February 14, 2023 SC 13G

US66987P3001 / NOVABAY PHARMACCEUTICALS INC / ARMISTICE CAPITAL, LLC Passive Investment

SC 13G 1 armistice-nby123122.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* NOVABAY PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 66987P300 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check t

February 10, 2023 SC 13G/A

US66987P3001 / NOVABAY PHARMACCEUTICALS INC / Hudson Bay Capital Management LP - NBY 13GA Passive Investment

SC 13G/A 1 nby13ga.htm NBY 13GA SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* NovaBay Pharmaceuticals, Inc. (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 66987P300 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropr

January 20, 2023 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 earliest event reported: January 19, 2023 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

December 30, 2022 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table ???????????S-1???? ????? (Form Type) ????????????????NovaBay Pharmaceuticals, Inc.

December 30, 2022 S-1

As filed with the Securities and Exchange Commission on December 30, 2022

As filed with the Securities and Exchange Commission on December 30, 2022 Registration No.

December 16, 2022 424B3

1,548,502 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-268738 PROSPECTUS 1,548,502 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled ?Selling Stockholders? (the ?Selling Stockholders?) of up to 1,548,502 shares (the ?Shares?) of NovaBay Pharmaceuticals, Inc.?s (?us?, ?we?, ?our?, ?NovaBa

December 13, 2022 CORRESP

December 13, 2022

CORRESP 1 filename1.htm December 13, 2022 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Re: NovaBay Pharmaceuticals, Inc. (the “Company”) Form S-1, File No. 333-268738 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, the Company hereby requests that the Securities and Exchange Commission

December 9, 2022 S-1

As filed with the Securities and Exchange Commission on December 9, 2022

As filed with the Securities and Exchange Commission on December 9, 2022 Registration No.

December 9, 2022 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Exhibit 107 Calculation of Filing Fee Table S-1 (Form Type) NovaBay Pharmaceuticals, Inc.

November 18, 2022 EX-3.2

Certificate of Designation for the Series C Preferred Stock

Exhibit 3.2 NOVABAY PHARMACEUTICALS, INC. CERTIFICATE OF DESIGNATION OF PREFERENCES, RIGHTS AND LIMITATIONS OF SERIES C NON-VOTING CONVERTIBLE PREFERRED STOCK PURSUANT TO SECTION 151 OF THE DELAWARE GENERAL CORPORATION LAW The undersigned, Justin Hall, does hereby certify that: 1. He is the President and Secretary of NovaBay Pharmaceuticals, Inc., a Delaware corporation (the ?Corporation?). 2. The

November 18, 2022 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 earliest event reported: November 14, 2022 NovaBay Pharmaceuticals, Inc. (E

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 earliest event reported: November 14, 2022 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

November 18, 2022 EX-3.1

Amendment to Amended and Restated Certificate of Incorporation, as amended, dated November 14, 2022

Exhibit 3.1 CERTIFICATE OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF NOVABAY PHARMACEUTICALS, INC. NOVABAY PHARMACEUTICALS, INC., a corporation organized and existing under, and by virtue of, the General Corporation Law of the State of Delaware, hereby certifies that: FIRST: The name of the Corporation is NovaBay Pharmaceuticals, Inc. (the “Corporation”). SECOND: The Corpor

November 14, 2022 EX-99.1

NOVABAY PHARMACEUTICALS ANNOUNCES 1-FOR-35 REVERSE STOCK SPLIT

Exhibit 99.1 NOVABAY PHARMACEUTICALS ANNOUNCES 1-FOR-35 REVERSE STOCK SPLIT EMERYVILLE, Calif. (November 14, 2022) ? NovaBay? Pharmaceuticals, Inc. (the ?Company?) (NYSE American: NBY) announces that today, following approval from the Company?s stockholders obtained at the Company?s November 10, 2022 special stockholders? meeting, the Company?s Board of Directors (the ?Board?) has approved the fil

November 14, 2022 10-Q

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

Table of Contents 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 For the transition period from to Commission file numbe

November 14, 2022 8-K

Financial Statements and Exhibits, Other Events, 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 earliest event reported: November 10, 2022 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number)

November 1, 2022 424B3

35,510,720 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-268002 PROSPECTUS 35,510,720 Shares of Common Stock This prospectus relates to the resale, from time to time, by the selling stockholders identified in the section of this prospectus entitled ?Selling Stockholders? (the ?Selling Stockholders?) of up to 35,510,720 shares (the ?Shares?) of NovaBay Pharmaceuticals, Inc.?s (?us?, ?we?, ?our?, ?Nova

October 27, 2022 CORRESP

October 27, 2022

CORRESP 1 filename1.htm October 27, 2022 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Re: NovaBay Pharmaceuticals, Inc. (the “Company”) Form S-1, File No. 333-268002 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, the Company hereby requests that the Securities and Exchange Commission (

October 25, 2022 S-1

As filed with the Securities and Exchange Commission on October 25, 2022

As filed with the Securities and Exchange Commission on October 25, 2022 Registration No.

October 25, 2022 EX-FILING FEES

Calculation of Filing Fees Tables

Exhibit 107 Calculation of Filing Fee Table            S-1           (Form Type)                 NovaBay Pharmaceuticals, Inc.

October 7, 2022 8-K

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, 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 earliest event reported: October 3, 2022 NovaBay Pharmaceuticals, Inc. (Exact Name of Registrant as Specified in Charter) Delaware 001-33678 68-0454536 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

October 7, 2022 EX-99.1

NovaBay Pharmaceuticals Receives a NYSE American Notice Regarding Low Share Price

Exhibit 99.1 NovaBay Pharmaceuticals Receives a NYSE American Notice Regarding Low Share Price EMERYVILLE, Calif. (October 7, 2022) ? NovaBay? Pharmaceuticals, Inc. (NYSE American: NBY) announces that on October 3, 2022 it received a notice from the NYSE American LLC that the Company?s common stock has been selling for a low price per share for a substantial period of time. As a result, pursuant t

October 7, 2022 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

September 30, 2022 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 (Amendment No. )

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 (Amendment No. ) 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)

September 30, 2022 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

September 22, 2022 DEFA14A

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 (Amendment No. )

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 (Amendment No. ) 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)

September 20, 2022 PRE 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 (Amendment No. )

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 (Amendment No. ) 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)

September 15, 2022 424B3

37,500,000 Shares of Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-262550 Prospectus Supplement (To the Prospectus Dated February 10, 2022) 37,500,000 Shares of Common Stock Under that certain prospectus, dated February 10, 2022 (the ?Prospectus?), filed as part of our registration statement on Form S-1 (File No. 333-262550), NovaBay Pharmaceuticals, Inc. (the ?Company?) registered for resale, from time to tim

September 15, 2022 424B3

6,898,566 Shares of Common Stock Issuable upon Exercise of Warrants

Filed Pursuant to Rule 424(b)(3) Registration No. 333-248238 Prospectus Supplement (To the Prospectus Dated August 21, 2020) 6,898,566 Shares of Common Stock Issuable upon Exercise of Warrants Under that certain prospectus, dated August 21, 2020 (the ?Prospectus?), filed as part of our registration statement on Form S-3 (File No. 333-248238), NovaBay Pharmaceuticals, Inc. (the ?Company?) registere

September 13, 2022 EX-10.5

Form of Participant Voting Commitment

Exhibit 10.5 Form of Participant Voting Commitment DATE: September 9, 2022 TO: Holders who entered into Reprice Letter Agreements with NovaBay Pharmaceuticals, Inc. To Whom It May Concern: Reference is made to that certain Letter Agreement, dated as of September 9, 2022 (the ?Letter Agreement?), between the undersigned and NovaBay Pharmaceuticals, Inc. (the ?Company?), which provides for the execu

September 13, 2022 EX-4.3

Form of September 2022 Warrant (2020 participants)

Exhibit 4.3 NEITHER THIS SECURITY NOR THE SECURITIES FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), OR UNDER ANY STATE SECURITIES OR BLUE SKY LAWS. THE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND,

September 13, 2022 EX-10.3

Form of Securities Purchase Agreement, dated September 9, 2022

Exhibit 10.3 SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (this ?Agreement?) is dated as of September 9, 2022, between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the ?Company?), and each purchaser identified on the signature pages hereto (each, including its successors and assigns, a ?Purchaser? and collectively, the ?Purchasers?). WHEREAS, subject to the terms and

September 13, 2022 EX-99.1

NovaBay Pharmaceuticals Enters Into Agreements For a Private Placement and Warrant Reprice Transactions To Raise Up to $5.3 Million

Exhibit 99.1 NovaBay Pharmaceuticals Enters Into Agreements For a Private Placement and Warrant Reprice Transactions To Raise Up to $5.3 Million EMERYVILLE, Calif. (September 9, 2022) ? NovaBay? Pharmaceuticals, Inc. (NYSE American: NBY) (?NovaBay? or the ?Company?) announces it has entered into a Securities Purchase Agreement with certain institutional investors in connection with a private place

September 13, 2022 EX-10.7

Form of Leak-Out Agreement

Exhibit 10.7 LEAK-OUT AGREEMENT September 9, 2022 This agreement (the ?Leak-Out Agreement?) is being delivered to you in connection with an understanding by and between NovaBay Pharmaceuticals, Inc., a Delaware corporation (the ?Company?), and the person or persons named on the signature pages hereto (collectively, the ?Holder?). Reference is hereby made to the letter agreements, dated September 9

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