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* ORBIMED ADVISORS LLC (Last) (First) (Middle) C/O SPRINGWORKS THERAPEUTICS, INC. 100 WASHINGTON BLVD. (Street) STAMFORD CT 06902 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol SpringWorks Therapeutics, Inc. [ SWTX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 09/17/2019
	4. 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 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	09/17/2019		C		6,078,103	A	(1)	6,078,103	I	See footnote(3)
Common Stock	09/17/2019		C		1,053,204	A	(2)	7,131,307	I	See footnote(3)
Common Stock	09/17/2019		P		275,000	A	$18	7,406,307	I	See footnote(3)

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
Series A Convertible Preferred Stock	(1)	09/17/2019		C			6,078,103	(1)	(1)	Common Stock	6,078,103	(1)	0	I	See footnote(3)
Series B Convertible Preferred Stock	(2)	09/17/2019		C			1,053,204	(2)	(2)	Common Stock	1,053,204	(2)	0	I	See footnote(3)

1. Name and Address of Reporting Person* ORBIMED ADVISORS LLC (Last) (First) (Middle) C/O SPRINGWORKS THERAPEUTICS, INC. 100 WASHINGTON BLVD. (Street) STAMFORD CT 06902 (City) (State) (Zip)

1. Name and Address of Reporting Person* OrbiMed Capital GP VI LLC (Last) (First) (Middle) C/O SPRINGWORKS THERAPEUTICS, INC. 100 WASHINGTON BLVD. (Street) STAMFORD CT 06902 (City) (State) (Zip)

Explanation of Responses:

1. Each share of Series A Convertible Preferred Stock is convertible into shares of the Issuer's Common Stock on a 6.5810:1 basis. Upon the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer. The Series A Convertible Preferred Stock has no expiration date.

2. Each share of Series B Convertible Preferred Stock is convertible into shares of the Issuer's Common Stock on a 6.5810:1 basis. Upon the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer. The Series B Convertible Preferred Stock has no expiration date.

3. Shares held by OrbiMed Capital GP VI LLC ("GP VI"). GP VI is the general partner of OrbiMed Private Investments VI, LP ("OrbiMed VI"). OrbiMed Advisors LLC ("Advisors") is the managing member of GP VI. By virtue of such relationship, GP VI and Advisors may be deemed to have voting and investment power with respect to the shares held by OrbiMed VI and as a result may be deemed to have beneficial ownership of such shares. Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. This report shall not be deemed an admission that the reporting person is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

	ORBIMED ADVISORS LLC By: /s/ Douglas Coon	09/19/2019
	OrbiMed Capital GP VI LLC By: /s/ Douglas Coon	09/19/2019
	** Signature of Reporting Person	Date
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