Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * R01 Fund LP 2. Issuer Name and Ticker or Trading Symbol NovaBay Pharmaceuticals, Inc. [NBY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1111 LINCOLN ROAD, SUITE 500, 3. Date of Earliest Transaction (Month/Day/Year) 10/16/2025 (Street) MIAMI BEACH, FL 33139 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Series D Non-Voting Convertible Preferred Stock

$ 0

10/16/2025

A

220,663(1)

10/16/2025(2)

(2)

Common Stock

35,306,080(2)

$ 0

220,663(1)

D(3)

Series E Non-Voting Convertible Preferred Stock

$ 0

10/16/2025

A

134,375(1)

10/16/2025(2)

(2)

Common Stock

21,500,000(2)

$ 0

134,375(1)

D(3)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
R01 Fund LP 1111 LINCOLN ROAD, SUITE 500 MIAMI BEACH, FL 33139		X
R01 Capital LLC C/O R01 CAPITAL LLC 1111 LINCOLN AVENUE, SUITE 500 MIAMI BEACH, FL 33139		X
R01 Capital Manager LLC C/O R01 CAPITAL LLC 1111 LINCOLN AVENUE, SUITE 500 MIAMI BEACH, FL 33139		X
Kazley Michael John 1111 LINCOLN ROAD, SUITE 500 MIAMI BEACH, FL 33139	X	X	Chief Executive Officer

Signatures

/s/ Michael Kazley		10/20/2025
**Signature of Reporting Person		Date
/s/ Michael Kazley		10/20/2025
**Signature of Reporting Person		Date
/s/ Michael Kazley		10/20/2025
**Signature of Reporting Person		Date
/s/ Michael Kazley		10/20/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On October 9, 2025, R01 Fund LP ("R01 LP"), David Lazar (the "Seller") and certain other investors entered into a securities purchase agreement pursuant to which R01 LP purchased all of Seller's rights, title and interest in (i) 220,663 shares of the Issuer's Series D Non-Voting Convertible Preferred Stock, par value $0.01 per share (the "Series D Preferred Stock") and (ii) the rights and obligation to purchase 134,375 shares of the Issuer's Series E Non-Voting Convertible Preferred Stock, par value $0.01 per share (the "Series E Preferred Stock").
(2)	Following stockholder approvals of proposals 5 and 9 set forth in the Issuer's Definitive Proxy Statement on Schedule 14A, filed by the Issuer with the Securities and Exchange Commission on September 23, 2025, at the Issuer's annual meeting on October 16, 2025 (the "Meeting"), (i) each share of Series D Convertible Preferred Stock will automatically convert into 160 shares of common stock at the option of the holder or within three business days of the Meeting, and (ii) the Issuer issued the Series E Preferred Stock, each share of which will automatically convert into 160 shares of common stock at the option of the holder or within thirty business days of the Meeting.
(3)	The reported securities may also be deemed to be beneficially owned by R01 Capital LLC ("R01 Capital"), R01 Capital Manager LLC ("R01 Capital Manager") and Michael Kazley ("Mr. Kazley" and together with R01 Capital, R01 Capital Manager and R01 LP, the "R01 Entities"), each of which or whom disclaim beneficial ownership of these shares, except to the extent of its or his pecuniary interest in such shares, if any. R01 Capital is the general partner of R01 LP. R01 Capital Manager is the investment manager for R01 Capital. Mr. Kazley is the managing member of R01 Capital Manager.
Remarks: Exhibit 99.1 - Joint Filing Agreement

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.