L. Mary Smith - Jan 4, 2024 Form 4 Insider Report for SpringWorks Therapeutics, Inc. (SWTX)

Role: Chief Development Officer
Signature: /s/ Francis I. Perier, Jr. as Attorney-in Fact
Stock symbol: SWTX
Transactions as of: Jan 4, 2024
Transactions value $: -$230,207
Form type: 4
Date filed: 1/8/2024, 09:13 PM
Previous filing: Jul 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SWTX	Common Stock	Award	$0	+21.2K	+9.71%	$0.00	239K	Jan 4, 2024	Direct	F1
transaction	SWTX	Common Stock	Tax liability	-$83.4K	-2.2K	-0.92%	$37.96	237K	Jan 5, 2024	Direct	F2
transaction	SWTX	Common Stock	Tax liability	-$147K	-3.54K	-1.49%	$41.53	233K	Jan 8, 2024	Direct	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SWTX	Stock Option (Right to Buy)	Award	$0	+60K		$0.00	60K	Jan 4, 2024	Common Stock	60K	$38.40	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction represents a grant of restricted stock units ("RSUs"). The RSUs shall vest as follows: thirty-three percent (33%) to vest on January 4, 2025, another thirty-three percent (33%) to vest on January 4, 2026 and the remaining thirty-four percent (34%) to vest on January 4, 2027, subject to continued service to the Issuer by the Reporting Person through each applicable vesting date.
F2	Represents shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs and does not represent a sale by the Reporting Person.
F3	This option shall vest in forty-eight (48) equal monthly installments following January 4, 2024, subject to continued service to the Issuer by the Reporting Person through each applicable vesting date.