SEC FORM 4 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
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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*
PFIZER INC

(Last) (First) (Middle)
235 E 42ND ST

(Street)
NEW YORK NY 10017

(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 978,194(1) A (1) 978,194 D(5)
Common Stock 09/17/2019 C 3,039,051(2) A (2) 4,017,245 D(5)
Common Stock 09/17/2019 C 526,602(3) A (3) 4,543,847 D(5)
Common Stock 09/17/2019 P 50,000(4) A $18 4,593,847 D(5)
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
Junior Series A Convertible Preferred Stock (1) 09/17/2019 C 6,437,500 (1) (1) Common Stock 978,194(1) $0 0 D(5)
Series A Convertible Preferred Stock (2) 09/17/2019 C 20,000,000 (2) (2) Common Stock 3,039,051(2) $0 0 D(5)
Series B Convertible Preferred Stock (3) 09/17/2019 C 3,465,571 (3) (3) Common Stock 526,602(3) $0 0 D(5)
1. Name and Address of Reporting Person*
PFIZER INC

(Last) (First) (Middle)
235 E 42ND ST

(Street)
NEW YORK NY 10017

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Pfizer Ventures (US) LLC

(Last) (First) (Middle)
235 EAST 42ND STREET

(Street)
NEW YORK NY 10017

(City) (State) (Zip)
Explanation of Responses:
1. Each share of Junior Series A Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 6.5810:1 basis upon the closing of the Issuer's initial public offering for no additional consideration. The Junior Series A Convertible Preferred Stock had no expiration date. Such shares are held of record by Pfizer Inc. ("Pfizer").
2. Each share of Series A Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 6.5810:1 basis upon the closing of the Issuer's initial public offering for no additional consideration. The Series A Convertible Preferred Stock had no expiration date. Such shares are held of record by Pfizer.
3. Each share of Series B Convertible Preferred Stock automatically converted into shares of the Issuer's Common Stock on a 6.5810:1 basis upon the closing of the Issuer's initial public offering for no additional consideration. The Series B Convertible Preferred Stock had no expiration date. Such shares are held of record by Pfizer Ventures (US) LLC, a wholly-owned subsidiary of Pfizer ("PVUS").
4. PVUS purchased such additional shares of Common Stock in the Issuer's initial public offering at the initial public offering price of $18.00 per share.
5. Each Reporting Person disclaims ownership of securities held by the other Reporting Person, except to the extent of its pecuniary interest therein.
Pfizer Inc., By /s/ Susan Grant, Assistant Secretary 09/19/2019
Pfizer Ventures (US) LLC By /s/ Susan Grant, Secretary 09/19/2019
** Signature of Reporting Person Date
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* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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