SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Biller Scott (Last) (First) (Middle) C/O AGIOS PHARMACEUTICALS, INC. 88 SIDNEY STREET (Street) CAMBRIDGE MA 02139 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol AGIOS PHARMACEUTICALS INC [ AGIO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Scientific Officer
	3. Date of Earliest Transaction (Month/Day/Year) 12/06/2017
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

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	12/06/2017		M		14,875	A	$0.4675	21,139	D
Common stock	12/06/2017		M		102	A	$0.4675	21,241	D
Common stock	12/06/2017		M		31,818	A	$2.3375	53,059	D

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 Securities Underlying Derivative Security (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: 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)	$0.4675	12/06/2017		M		14,875		(1)	12/06/2020	Common stock	14,875	$0.00	0	D
Stock option (right to buy)	$0.4675	12/06/2017		M		102		(2)	12/06/2020	Common stock	102	$0.00	4,867	D
Stock option (right to buy)	$2.3375	12/06/2017		M		31,818		(3)	04/05/2022	Common stock	31,818	$0.00	31,818	D

Explanation of Responses:

1. This option was granted on December 7, 2010. The shares underlying this option vest as to 25% of the shares on September 20, 2011, with the remaining 75% vesting in 36 equal monthly installments thereafter.

2. This option was granted on December 7, 2010. The shares underlying this option vested as to 25% of the shares upon the achievement of a performance milestone, and as to the remaining 75% in 36 equal monthly installments thereafter. The performance criteria was met on June 23, 2015.

3. This option was granted on April 6, 2012 for the purchase of 63,636 shares of common stock. The option vests as to 25% of the shares upon the achievement of a performance milestone, as to an additional 50% upon the achievement of a second performance milestone, and as to the remaining 25% on the first anniversary of the first date that both performance milestones were achieved. The performance criteria for the first performance milestone were met on March 18, 2013. The performance criteria for the second performance milestone were met on April 4, 2014, resulting in the vesting of the option as to 31,818 shares, and the remaining 15,909 shares vested on April 4, 2015.

Remarks:

	/s/ William Cook, as Attorney-in-fact for Scott Biller	12/08/2017
	** 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 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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