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* Bain Capital Life Sciences Investors, LLC (Last) (First) (Middle) 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 09/12/2019	3. Issuer Name and Ticker or Trading Symbol SpringWorks Therapeutics, Inc. [ SWTX ]
		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)

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 A Convertible Preferred Stock	(1)	(1)	Common Stock	6,078,103	(1)	I	See Footnote(3)(4)
Series B Convertible Preferred Stock	(2)	(2)	Common Stock	1,053,204	(2)	I	See Footnote(3)(4)

1. Name and Address of Reporting Person* Bain Capital Life Sciences Investors, LLC (Last) (First) (Middle) 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* BC SW, LP (Last) (First) (Middle) 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* Schwartz Jeffrey Lawrence (Last) (First) (Middle) 200 CLARENDON STREET (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* Koppel Adam (Last) (First) (Middle) 200 CLARENDON STREET (Street) BOSTON MA 02116 (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. Immediately prior to the closing of the Issuer's initial public offering, all shares of Series A Convertible Preferred Stock will convert 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. Immediately prior to the closing of the Issuer's initial public offering, all shares of Series B Convertible Preferred Stock will convert into shares of Common Stock of the Issuer. The Series B Convertible Preferred Stock has no expiration date.

3. Represents 40,000,000 shares of Series A Convertible Preferred Stock and 6,931,142 shares of Series B Convertible Preferred Stock held directly by BC SW, L.P. Bain Capital Life Sciences Investors, LLC ("BCI LS"), whose managers are Jeffrey Schwartz and Adam Koppel, is the general partner of BC SW, L.P. As a result, each of BCI LS, Mr. Schwartz and Dr. Koppel may be deemed to share voting and dispositive power with respect to the securities held by BC SW, L.P. BCI LS, Mr. Schwartz and Dr. Koppel each disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

4. Jeffrey Schwartz is a director of the Issuer.

Remarks:

	BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC, By: /s/ Jeffrey Schwartz, Name: Jeffrey Schwartz, Title: Managing Director	09/12/2019
	BC SW, L.P., By: Bain Capital Life Sciences Investors, LLC, its general partner, By: /s/ Jeffrey Schwartz, Name: Jeffrey Schwartz, Title: Managing Director	09/12/2019
	/s/ Jeffrey Schwartz	09/12/2019
	/s/ Adam Koppel	09/12/2019
	** Signature of Reporting Person	Date
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