Sec Form 4 Filing - Pioneer Pharma (Singapore) Pte. Ltd. @ NovaBay Pharmaceuticals, Inc. - 2016-08-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Pioneer Pharma (Singapore) Pte. Ltd. 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) 33A CHANDER ROAD 3. Date of Earliest Transaction (MM/DD/YY) 08/01/2016 (Street) SINGAPORE219539 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 Common Stock 08/01/2016 A 1,308,901 ( 1 ) A $ 1.91 3,698,219 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Warrant $ 1.91 08/01/2016 A 654,451 ( 2 ) 08/02/2016 08/02/2026 Common Stock 654,451 $ 0 1,490,202 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Pioneer Pharma (Singapore) Pte. Ltd. 33A CHANDER ROAD SINGAPORE219539 X Signatures /s/ Justin Hall as attorney in fact for Pioneer Pharma (Singapore) Co Ltd 08/02/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Share acquisition pursuant to a securities purchase agreement, which is one of a series of securities purchase agreements that the company entered into for the sale of an aggregate 2,094,241 shares on July 31, 2016. ( 2 )Warrant acquisition pursuant to a securities purchase agreement, which is one of a series of securities purchase agreements that the company entered into for the sale of an aggregate 1,047,121 warrants on July 31, 2016.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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