Sec Form 4 Filing - Stonepine Capital Management, LLC @ Recro Pharma, Inc. - 2017-05-12

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 Stonepine Capital Management, LLC 2. Issuer Name and Ticker or Trading Symbol Recro Pharma, Inc. [ REPH] 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) 919 NW BOND STREET, SUITE 204 3. Date of Earliest Transaction (MM/DD/YY) 05/12/2017 (Street) BEND, OR97703 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 05/12/2017 S 436,070 D $ 7.4004 1,976,310 I See Notes ( 1 ) ( 2 ) ( 3 ) Common Stock 05/12/2017 S 73,930 D $ 7.4004 1,902,380 I See Notes ( 1 ) ( 2 ) ( 4 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Stonepine Capital Management, LLC 919 NW BOND STREET SUITE 204 BEND, OR97703 X Signatures Stonepine Capital Management, LLC, by Timothy P. Lynch, Manager 05/15/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The filers (the "Filers") are Stonepine Capital Management, LLC (the "General Partner"), Stonepine Capital, L.P. (the "Partnership"), Jon M. Plexico and Timothy P. Lynch. The General Partner is the general partner and investment adviser of investment funds, including the Partnership (collectively, the "Funds"). Mr. Plexico and Mr. Lynch are the General Partner's managers and control persons. These securities are held directly by the Funds for the benefit of their investors and are indirectly beneficially owned by the General Partner and Mr. Plexico and Mr. Lynch as the General Partner's control persons. The General Partner is filing this Form 4 for itself and the other Filers. ( 2 )The Filers are filing this Form 4 jointly, but not as a group, and each expressly disclaims membership in a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934, as amended. Each Filer disclaims beneficial ownership of these securities except to the extent of that Filer's pecuniary interest therein. ( 3 )These securities were sold by the Partnership, which held 1,626,606 shares after the reported transaction. ( 4 )These securities were sold by the other Funds.

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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