Form 4 for ARVN ARVINAS, INC.

Accepted 2026-03-02 00:00:00 ET · period of report 2026-02-26 · accession 0001628280-26-013537 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-03-02	2026-02-26	ARVN	Loomis David K	VP, CAO	A - Grant	$0.00	+12.4K	42.1K	+42%	$0
D	2026-03-02	2026-02-26	ARVN	Loomis David K	VP, CAO	A - Grant	$0.00	+18.5K	18.5K	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-26	A	A	12,420	$0.00	42,112	D	—	—	(F1) The restricted stock units (each, an "RSU") were granted by the Issuer on February 26, 2026, pursuant to its 2018 Stock Incentive Plan (the "Plan"), and each RSU represents a contingent right to receive one share of the Issuer's common stock upon settlement for no consideration. The RSUs will vest over four years: one-quarter of the RSUs will vest on each of February 26, 2027, February 26, 2028, February 26, 2029 and February 26, 2030, subject to the Reporting Person's continued service with the Issuer on each such vesting date.
2	Derivative	Stock Option (right to buy)	2026-02-26	A	A	18,504	$0.00	18,504	D	$13.38 · — to 2036-02-25	18,504 Common Stock	(F2) The option was granted by the Issuer on February 26, 2026, pursuant to the Plan. The shares underlying the option vest over four years: one-quarter of the shares underlying the award will vest on February 26, 2027, with the remainder of the shares vesting in equal monthly installments following February 26, 2027 through February 26, 2030, subject to the reporting person's continued service with the Issuer on each vesting date.