X0609 4 2026-04-28 0 0000882095 GILEAD SCIENCES, INC. GILD 0001638643 O'Day Daniel Patrick false 333 LAKESIDE DRIVE FOSTER CITY CA 94404 1 1 0 0 Chairman & CEO 1 Common Stock 2026-04-28 4 S 0 6950 128.7877 D 635617 D Common Stock 2026-04-28 4 S 0 3050 130.0111 D 632567 D The transaction reported in this Form 4 is made pursuant to a Rule 10b5-1 trading plan adopted on February 28, 2025. Sale prices for the transactions reported range from $128.41 to $129.325. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer, or its shareowners upon request. Sale prices for the transactions reported range from $129.42 to $130.47. Full information regarding the number of shares purchased or sold at each separate price will be provided to the SEC, the issuer, or its shareowners upon request. /s/ Amy Kim by Power of Attorney for Daniel O'Day 2026-04-29