Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * CRAVES FRED B	2. Issuer Name and Ticker or Trading Symbol SYNTA PHARMACEUTICALS CORP [ MDGL ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director                      __ X __ 10% Owner _____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle) C/O BAY CITY CAPITAL, LLC, 750 BATTERY STREET, SUITE 400	3. Date of Earliest Transaction (MM/DD/YYYY) 7/22/2016
(Street) SAN FRANCISCO, CA 94111 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	7/22/2016		A		296067   (1)	A	$0	296067	D
Common Stock	7/22/2016		A		5538474   (1)	A	$0	5538474	I	Bay City Capital Fund IV, L.P. ("Fund IV")   (2)
Common Stock	7/22/2016		A		119380   (1)	A	$0	119380	I	Bay City Capital Fund IV Co-Investment Fund, L.P. ("Co-Investment")   (3)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 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

Explanation of Responses:
( 1)	Shares issued relate to the exchange of shares of Madrigal Pharmaceuticals, Inc. (as a private company) for shares of Synta Pharmaceuticals Corp. per Synta's agreement to acquire Madrigal, dated April 13, 2016. After the completion of the Merger, Synta Pharmaceuticals Corp. changed its name to Madrigal Pharmaceuticals, Inc.
( 2)	Dr. Craves disclaims beneficial ownership of these securities owned by Fund IV, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in the securities by virtue of the limited liability company interests he owns in Bay City Capital LLC, which is the manager of Fund IV's general partner, Bay City Capital Management IV LLC.
( 3)	Dr. Craves disclaims beneficial ownership of these securities owned by Co-Investment, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in the securities by virtue of the limited liability company interests he owns in Bay City Capital LLC, which is the manager of Co-Investment's general partner, Bay City Capital Management IV LLC.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CRAVES FRED B C/O BAY CITY CAPITAL, LLC 750 BATTERY STREET, SUITE 400 SAN FRANCISCO, CA 94111	X	X

Signatures
/s/ Fred B. Craves		7/26/2016
** 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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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