Daniel P. O'Day's Insider Trades & SAST Disclosures

Daniel P. O'Day's most recent trade in Gilead Sciences, Inc. was a trade of 115,640 Non-qualified Stock Option (Right to Buy) done . Disclosure was reported to the exchange on Feb. 5, 2026.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 05 Feb 2026 115,640 0 - - Non-qualified Stock Option (Right to Buy)
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 150.00 per share. 05 Feb 2026 115,640 613,912 (0%) 0% 150 17,346,000 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 66.01 per share. 05 Feb 2026 115,640 729,552 (0%) 0% 66.0 7,633,396 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 03 Feb 2026 131,675 688,373 (0%) 0% 0 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 143.28 per share. 03 Feb 2026 74,461 613,912 (0%) 0% 143.3 10,668,772 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 139.54 per share. 28 Jan 2026 5,032 561,666 (0%) 0% 139.5 702,186 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 140.24 per share. 28 Jan 2026 4,968 556,698 (0%) 0% 140.2 696,725 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 66.01 per share. 23 Jan 2026 115,640 682,338 (0%) 0% 66.0 7,633,396 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 23 Jan 2026 115,640 115,640 - - Non-qualified Stock Option (Right to Buy)
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 135.00 per share. 23 Jan 2026 115,640 566,698 (0%) 0% 135 15,611,400 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 124.83 per share. 29 Dec 2025 10,000 566,698 (0%) 0% 124.8 1,248,272 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Dec 2025 10,426 88,070 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Dec 2025 10,426 581,629 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 121.34 per share. 10 Dec 2025 4,931 576,698 (0%) 0% 121.3 598,328 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 126.84 per share. 28 Nov 2025 6,788 571,203 (0%) 0% 126.8 861,016 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 125.91 per share. 28 Nov 2025 3,212 577,991 (0%) 0% 125.9 404,428 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 119.54 per share. 28 Oct 2025 7,978 583,225 (0%) 0% 119.5 953,667 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 118.82 per share. 28 Oct 2025 2,022 581,203 (0%) 0% 118.8 240,259 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 111.47 per share. 29 Sep 2025 8,039 593,164 (0%) 0% 111.5 896,110 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 112.42 per share. 29 Sep 2025 1,961 591,203 (0%) 0% 112.4 220,454 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Sep 2025 10,427 606,152 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Sep 2025 10,427 98,496 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 115.25 per share. 10 Sep 2025 4,949 601,203 (0%) 0% 115.2 570,372 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 113.63 per share. 28 Aug 2025 10,000 595,725 (0%) 0% 113.6 1,136,300 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 114.09 per share. 28 Jul 2025 8,345 605,725 (0%) 0% 114.1 952,077 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 113.17 per share. 28 Jul 2025 1,655 614,070 (0%) 0% 113.2 187,293 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 110.40 per share. 30 Jun 2025 9,400 616,325 (0%) 0% 110.4 1,037,796 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 111.15 per share. 30 Jun 2025 600 615,725 (0%) 0% 111.1 66,688 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Jun 2025 10,425 108,923 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Jun 2025 10,425 630,693 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 110.09 per share. 10 Jun 2025 4,968 625,725 (0%) 0% 110.1 546,927 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 110.11 per share. 30 May 2025 6,416 623,852 (0%) 0% 110.1 706,497 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Sale of securities on an exchange or to another person at price $ 110.96 per share. 30 May 2025 3,584 620,268 (0%) 0% 111.0 397,696 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Mar 2025 169,690 169,690 - - Non-qualified Stock Option (Right to Buy)
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Mar 2025 38,395 119,348 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Mar 2025 24,024 80,953 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Mar 2025 24,024 641,900 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 117.21 per share. 10 Mar 2025 11,632 630,268 (0%) 0% 117.2 1,363,387 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Feb 2025 164,473 726,032 (0%) 0% 0 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 97.99 per share. 04 Feb 2025 108,156 617,876 (0%) 0% 98.0 10,598,206 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Grant, award, or other acquisition of securities at price $ 0.00 per share. 04 Feb 2025 60,031 561,559 (0%) 0% 0 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Dec 2024 10,295 506,290 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Dec 2024 10,295 104,977 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 92.34 per share. 10 Dec 2024 4,762 501,528 (0%) 0% 92.3 439,723 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Sep 2024 10,295 500,744 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Sep 2024 10,295 115,272 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 81.44 per share. 10 Sep 2024 4,749 495,995 (0%) 0% 81.4 386,759 Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Jun 2024 10,295 125,567 - - Restricted Stock Unit
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Jun 2024 10,295 495,142 (0%) 0% - Common Stock
Gilead Sciences
Daniel P. O'Day Director, Chairman & CEO Payment of exercise price or tax liability using portion of securities received from the company at price $ 65.25 per share. 10 Jun 2024 4,693 490,449 (0%) 0% 65.2 306,218 Common Stock
*All Values are in $ Million
Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc  
Security Type: Share/ Warrants / Convertible Debentures
Data as reported to USA Exchanges
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