144 0001616284 XXXXXXXX LIVE 0001655759 Arvinas Inc 001-38672 395 Winchester Ave 5 Science Park New Haven CT 06511 475-345-3828 Andrew Saik Officer Common Morgan Stanley Smith Barney LLC 1 New York Plaza New York NY 100004 11343 114677.73 64517472 05/11/2026 NASDAQ Common 05/11/2026 Settlement of vested restricted stock units Arvinas, Inc N 11343 05/11/2026 Not applicable N Andrew Saik 396 Winchester Ave. 5 Science Park New Haven CT 06511 Common 02/13/2026 5134 61043.26 The proposed sale reported on this Form 144 will be made automatically to cover withholding taxes following the vesting of previously granted restricted stock units. The number of shares to be sold and aggregate market value included in this Form 144 are based on the closing price of Arvinas common stock on May 8, 2026. The sale does not represent a discretionary trade. 05/08/2026 /s/ Jared Freedberg, as attorney-in-fact for Andrew Saik