SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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

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1. Name and Address of Reporting Person* BROOKSIDE CAPITAL MANAGEMENT LLC (Last) (First) (Middle) JOHN HANCOCK TOWER, 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 02/12/2014	3. Issuer Name and Ticker or Trading Symbol CONCERT PHARMACEUTICALS, INC. [ CNCE ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	32,789(1)	I	See Footnote(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
SERIES B CONVERTIBLE PREFERRED STOCK	(3)	(4)	Common Stock	761,062(3)	(3)	I	See Footnote(2)
SERIES C CONVERTIBLE PREFERRED STOCK	(3)	(4)	Common Stock	353,982(3)	(3)	I	See Footnote(2)

1. Name and Address of Reporting Person* BROOKSIDE CAPITAL MANAGEMENT LLC (Last) (First) (Middle) JOHN HANCOCK TOWER, 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BROOKSIDE CAPITAL INVESTORS L P (Last) (First) (Middle) JOHN HANCOCK TOWER, 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* BROOKSIDE CAPITAL PARTNERS FUND LP (Last) (First) (Middle) JOHN HANCOCK TOWER, 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Reflects a 1-for-5.65 reverse stock split effected January 29, 2014.

2. Brookside Capital Management, LLC ("BCM") is the sole general partner of Brookside Capital Investors, L.P. ("BCI"). BCI is the sole general partner of Brookside Capital Partners Fund, L.P. ("BCPF"). BCM and BCI each may be deemed to share voting dispositive powers with respect to the shares held by BCPF. Each of BCM and BCI disclaims beneficial ownership of such securities, except to the extent of its pecuniary interest therein.

3. Convertible into Common Stock on a 1-for-5.65 basis without payment of futher consideration. Each share will automatically convert into 0.176991 shares of Common Stock upon the closing of the Issuer's initial public offering.

4. Not applicable.

	/s/ William Edward Pappendick, IV	02/12/2014
	** Signature of Reporting Person	Date
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 5 (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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