Daniel Patrick O'Day - 03 Feb 2026 Form 4 Insider Report for GILEAD SCIENCES, INC. (GILD)

Role: Chairman & CEO, Director
Signature: /s/ Edward S. Son by Power of Attorney for Daniel P. O'Day
Issuer symbol: GILD
Transactions as of: 03 Feb 2026
Net transactions value: -$10,668,772
Form type: 4
Filing time: 05 Feb 2026, 18:46:40 UTC
Previous filing: 29 Jan 2026
Next filing: 06 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
O'Day Daniel Patrick	Chairman & CEO, Director	333 LAKESIDE DRIVE, FOSTER CITY	/s/ Edward S. Son by Power of Attorney for Daniel P. O'Day	05 Feb 2026	0001638643

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GILD	Common Stock	Award	$0	+131,675	+24%	$0.000000	688,373	03 Feb 2026	Direct	F1
transaction	GILD	Common Stock	Tax liability	$10,668,772	-74,461	-11%	$143.28	613,912	03 Feb 2026	Direct

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

Explanation of Responses:

Id	Content
F1	Represents shares of the Issuer's common stock subject to specific tranches of the performance share awards made to the Reporting Person on March 10, 2023 and March 10, 2024. Such tranches of shares were subject to both performance-vesting and service-vesting requirements. The performance vesting requirement was satisfied on the date reported in Column 2 above upon certification of performance goal attainment by the Compensation and Talent Committee of the Issuer's Board of Directors. However, the shares certified for grants made March 10, 2024 will not be issued to the Reporting Person until the requisite continuing service requirements are also met.

Content

Represents shares of the Issuer's common stock subject to specific tranches of the performance share awards made to the Reporting Person on March 10, 2023 and March 10, 2024. Such tranches of shares were subject to both performance-vesting and service-vesting requirements. The performance vesting requirement was satisfied on the date reported in Column 2 above upon certification of performance goal attainment by the Compensation and Talent Committee of the Issuer's Board of Directors. However, the shares certified for grants made March 10, 2024 will not be issued to the Reporting Person until the requisite continuing service requirements are also met.