Sec Form 4 Filing - DOMAIN ASSOCIATES @ Tobira Therapeutics, Inc. - 2016-11-01

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person DOMAIN ASSOCIATES 2. Issuer Name and Ticker or Trading Symbol Tobira Therapeutics, Inc. [ TBRA] 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) ONE PALMER SQUARE, 3. Date of Earliest Transaction (MM/DD/YY) 11/01/2016 (Street) PRINCETON, NJ08542 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (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 11/01/2016 U 38,094 D $ 28.35 ( 1 ) 0 D ( 2 )

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 Stock Option (Right to Buy) $ 36 11/01/2016 D 1,996 ( 3 )( 4 ) ( 3 )( 4 ) Common Stock 1,996 ( 3 ) ( 4 ) 0 I Held by Jesse I. Treu Stock Option (Right to Buy) $ 42.93 11/01/2016 D 1,071 ( 3 )( 4 ) ( 3 )( 4 ) Common Stock 1,071 ( 3 ) ( 4 ) 0 I Held by Jesse I. Treu Stock Option (Right to Buy) $ 8.19 11/01/2016 D 17,695 ( 3 )( 4 ) ( 3 )( 4 ) Common Stock 17,695 ( 3 ) ( 4 ) 0 I Held by Jesse I. Treu

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other DOMAIN ASSOCIATES ONE PALMER SQUARE PRINCETON, NJ08542 X BLAIR JAMES C C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X DOVEY BRIAN H C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X TREU JESSE I C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X VITULLO NICOLE C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X Halak Brian K C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X Kamdar Kim P. C/O DOMAIN ASSOCIATES, LLC ONE PALMER SQUARE PRINCETON, NJ08542 X Signatures /s/ Lisa A. Kraeutler, as attorney-in-fact for Domain Associates, LLC, J. Blair, B. Dovey, J. Treu, N. Vitullo, B. Halak and K. Kamdar 11/03/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the terms of a merger agreement, pursuant to which the Issuer was acquired by Allergan Holdco US, Inc., the shares were tendered for $28.35 per share in cash plus one non-transferable contingent value right per share, which represents the contractual right to receive one or more payments in cash of up to $49.84 per share in the aggregate, contingent upon the achievement of certain milestones. ( 2 )The securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly benefically owned by each of the Reporting Owners listed below, each of whom is a managing member of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his or her pecuniary interest therein and/or that are not actually distributed to him or her. ( 3 )Pursuant to the terms of the merger described above, each outstanding option to purchase Common Stock which had an exercise price less than $28.35 per share was cancelled and converted into the right to receive (i) a cash payment equal to (A) the excess, if any, of (x) $28.35 over (y) the exercise price per share, multiplied by (B) the total number of shares subject to such option immediately prior to the effective time of the merger and (ii) a contingent value right with respect to the total number of shares subject to such option immediately prior to the effective time of the merger. ( 4 )Each other outstanding option to purchase Common Stock was cancelled and converted into the right to receive a cash payment, if any, from Allergan Holdco US, Inc. with respect to each share subject to such option upon each date that a payment would be required to a holder of a contingent value right under the terms of the contingent value rights agreement that was entered into in connection with the merger agreement on or prior to the fifth anniversary of the effective time of the merger.

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.