Agios Pharmaceuticals, Inc.
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Common Stock, $0.001 par value per share
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00847X104
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December 31, 2013
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CUSIP No. 00847X104
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13G
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Page 2 of 10
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1
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NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Third Rock Ventures, L.P.
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||
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
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3
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SEC USE ONLY
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4
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware limited partnership
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NUMBER OF
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5
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SOLE VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED BY
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6
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SHARED VOTING POWER
5,564,414
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EACH
REPORTING
PERSON
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7
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SOLE DISPOSITIVE POWER
0
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|
WITH
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8
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SHARED DISPOSITIVE POWER
5,564,414
|
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9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,564,414
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||
10
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CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o
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||
11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
17.9%
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12
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP No. 00847X104
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13G
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Page 3 of 10
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1
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NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Third Rock Ventures GP, L.P.
|
||
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
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SEC USE ONLY
|
||
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware limited partnership
|
||
NUMBER OF
|
5
|
SOLE VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED BY
|
6
|
SHARED VOTING POWER
5,564,414
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
WITH
|
8
|
SHARED DISPOSITIVE POWER
5,564,414
|
|
9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,564,414
|
||
10
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CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o
|
||
11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
17.9%
|
||
12
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
PN
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CUSIP No. 00847X104
|
13G
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Page 4 of 10
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1
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NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
TRV GP, LLC
|
||
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
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||
3
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SEC USE ONLY
|
||
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware limited liability company
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NUMBER OF
|
5
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SOLE VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED BY
|
6
|
SHARED VOTING POWER
5,564,414
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
WITH
|
8
|
SHARED DISPOSITIVE POWER
5,564,414
|
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9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,564,414
|
||
10
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CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o
|
||
11
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
17.9%
|
||
12
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
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CUSIP No. 00847X104
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13G
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Page 5 of 10
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1
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NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Kevin P. Starr
|
||
2
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) o
(b) o
|
||
3
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SEC USE ONLY
|
||
4
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CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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NUMBER OF
|
5
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SOLE VOTING POWER
0
|
|
SHARES
BENEFICIALLY
OWNED BY
|
6
|
SHARED VOTING POWER
5,564,414
|
|
EACH
REPORTING
PERSON
|
7
|
SOLE DISPOSITIVE POWER
0
|
|
WITH
|
8
|
SHARED DISPOSITIVE POWER
5,564,414
|
|
9
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
5,564,414
|
||
10
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CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) o
|
||
11
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
17.9%
|
||
12
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TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
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CUSIP No. 00847X104
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13G
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Page 6 of 10
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Item 3.
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If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
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(a)
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Amount Beneficially Owned: TRV is the record owner of 5,564,414 shares of Common Stock as of December 31, 2013 (the “Shares”). As the sole general partner of TRV, TRV GP may be deemed to own beneficially the Shares. As the sole general partner of TRV GP, TRV GP LLC likewise may be deemed to own beneficially the Shares. As a managing member of TRV GP LLC, Starr also may be deemed to own beneficially the Shares.
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(b)
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Percent of Class: See Line 11 of cover sheets. The percentages set forth on the cover sheet for each Reporting Person are calculated based on 31,171,169 shares of Common Stock reported by the Issuer to be outstanding as of November 1, 2013 on Form 10-Q as filed with the Securities and Exchange Commission on November 7, 2013.
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CUSIP No. 00847X104
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13G
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Page 7 of 10
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(c)
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Number of shares as to which such person has:
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(i)
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sole power to vote or to direct the vote: See Line 5 of cover sheets.
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(ii)
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shared power to vote or to direct the vote: See Line 6 of cover sheets.
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(iii)
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sole power to dispose or to direct the disposition of: See Line 7 of cover sheets.
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(iv)
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shared power to dispose or to direct the disposition of: See Line 8 of cover sheets.
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Item 7.
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
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CUSIP No. 00847X104
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13G
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Page 8 of 10
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By:
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THIRD ROCK VENTURES GP, L.P.
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General Partner
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By:
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TRV GP, LLC
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By:
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TRV GP, LLC
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*
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CUSIP No. 00847X104
|
13G
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Page 9 of 10
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By:
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THIRD ROCK VENTURES GP, L.P.
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General Partner
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By:
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TRV GP, LLC
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By:
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TRV GP, LLC
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*
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CUSIP No. 00847X104
|
13G
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Page 10 of 10
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