X0306 4 2021-05-20 0 0001773427 SpringWorks Therapeutics, Inc. SWTX 0001303521 Fuhrman Alan C/O SPRINGWORKS THERAPEUTICS, INC. 100 WASHINGTON BLVD. STAMFORD CT 06902 1 0 0 0 Common Stock 2021-05-20 4 A 0 1106 0 A 25227 D Stock Option (Right to Buy) 75.94 2021-05-20 4 A 0 6998 0 A 2031-05-20 Common Stock 6998 6998 D Represents restricted stock awards. The restricted stock awards shall vest in full on the earlier of (1) May 20, 2022 and (2) the next annual meeting of stockholders, subject to continued service to the Issuer on the vesting date. The options shall vest in full on the earlier of (1) May 20, 2022 and (2) the next annual meeting of stockholders, subject to continued service to the Issuer on the vesting date. /s/ Francis I. Perier, Jr as Attorney-in-Fact 2021-05-21