Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
JAEGER WILFRED E
  2. Issuer Name and Ticker or Trading Symbol
CONCERT PHARMACEUTICALS, INC. [CNCE]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O THREE ARCH PARTNERS, 3200 ALPINE ROAD
3. Date of Earliest Transaction (Month/Day/Year)
08/12/2015
(Street)

PORTOLA VALLEY, CA 94028
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
Common Stock 08/12/2015   S   46,398 D $ 14.4897 493,977 I See Footnote (1)
Common Stock 08/12/2015   S   2,494 D $ 14.4897 26,558 I See Footnote (2)
Common Stock 08/12/2015   S   47,837 D $ 14.4897 509,289 I See Footnote (3)
Common Stock 08/12/2015   S   1,056 D $ 14.4897 11,245 I See Footnote (4)

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JAEGER WILFRED E
C/O THREE ARCH PARTNERS
3200 ALPINE ROAD
PORTOLA VALLEY, CA 94028
  X      
THREE ARCH MANAGEMENT III LLC
3200 ALPINE ROAD
PORTOLA VALLEY, CA 94028
  X      
Three Arch Management IV, L.L.C.
3200 ALPINE ROAD
PORTOLA VALLEY, CA 94028
  X      

Signatures

 /s/ Wilfred Jaeger   08/14/2015
**Signature of Reporting Person Date

 /s/ Wilfred Jaeger, as Managing Member of Three Arch Management III, L.L.C.   08/14/2015
**Signature of Reporting Person Date

 /s/ Wilfred Jaeger, as Managing Member of Three Arch Management IV, L.L.C.   08/14/2015
**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) These shares are owned directly by Three Arch Partners III, L.P. ("TAP III"). Three Arch Management III, L.L.C. ("TAM III") is the general partner of TAP III, and Wilfred Jaeger and Mark Wan, the Managing Members of TAM III, may be deemed to share voting and dispositive power over the shares held by TAP III. Such persons and entities disclaim beneficial ownership of the shares held by TAP III except to the extent of any pecuniary interest therein.
(2) These shares are owned directly by Three Arch Associates III, L.P. ("TAA III"). TAM III is the general partner of TAA III, and Wilfred Jaeger and Mark Wan, the Managing Members of TAM III, may be deemed to share voting and dispositive power over the shares held by TAA III. Such persons and entities disclaim beneficial ownership of the shares held by TAA III except to the extent of any pecuniary interest therein.
(3) These shares are owned directly by Three Arch Partners IV, L.P. ("TAP IV"). Three Arch Management IV, L.L.C. ("TAM IV") is the general partner of TAP IV, and Wilfred Jaeger and Mark Wan, the Managing Members of TAM IV, may be deemed to share voting and dispositive power over the shares held by TAP IV. Such persons and entities disclaim beneficial ownership of the shares held by TAP IV except to the extent of any pecuniary interest therein.
(4) These shares are owned directly by Three Arch Associates IV, L.P. ("TAA IV"). TAM IV is the general partner of TAA IV, and Wilfred Jaeger and Mark Wan, the Managing Members of TAM IV, may be deemed to share voting and dispositive power over the shares held by TAA IV. Such persons and entities disclaim beneficial ownership of the shares held by TAA IV except to the extent of any pecuniary interest therein.
 
Remarks:
Following the transaction reported in this Form 4, Wilfred Jaeger, as a director of the Issuer, will remain subject to Section 16.

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