Follow the people · Insider
Daniel Patrick O'Day
Daniel Patrick O'Day files insider transactions with the SEC as a chairman & ceo of Gilead Sciences (GILD). We hold 10 disclosed purchases and sales filed since 5 March 2019, 3 of them in the last 90 days.
- Files forGILD
- Disclosed buys and sells10 in all, 3 in the last 90 days
- Last disclosure2 September 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 1 March 2019 — 1 September 2026Chairman & CEO · Gilead Sciences (GILD)179 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 1,600 shares of Gilead SciencesSEC Form 42 September 2026Common Stock · traded 1 September 2026 · filed 2 September 2026
- ▼ sold on the open market 7,992 shares of Gilead SciencesSEC Form 42 September 2026Common Stock · traded 1 September 2026 · filed 2 September 2026
- ▼ sold on the open market 5,408 shares of Gilead SciencesSEC Form 42 September 2026Common Stock · traded 1 September 2026 · filed 2 September 2026
- ▼ sold on the open market 6,700 shares of Gilead SciencesSEC Form 44 August 2026Common Stock · traded 3 August 2026 · filed 4 August 2026
- ▼ sold on the open market 7,700 shares of Gilead SciencesSEC Form 44 August 2026Common Stock · traded 3 August 2026 · filed 4 August 2026
- ▼ sold on the open market 600 shares of Gilead SciencesSEC Form 44 August 2026Common Stock · traded 3 August 2026 · filed 4 August 2026
- ▼ sold on the open market 11,900 shares of Gilead SciencesSEC Form 42 July 2026Common Stock · traded 1 July 2026 · filed 2 July 2026
- ▼ sold on the open market 3,100 shares of Gilead SciencesSEC Form 42 July 2026Common Stock · traded 1 July 2026 · filed 2 July 2026
- exercised options over 8,779 shares of Gilead SciencesSEC Form 411 June 2026Common Stock · traded 10 June 2026 · filed 11 June 2026
- had shares withheld for tax on 4,213 shares of Gilead SciencesSEC Form 411 June 2026Common Stock · traded 10 June 2026 · filed 11 June 2026
- exercised options over 8,779 shares of Gilead Sciences (a derivative holding)SEC Form 411 June 2026Restricted Stock Unit · traded 10 June 2026 · filed 11 June 2026
- ▼ sold on the open market 10,900 shares of Gilead SciencesSEC Form 42 June 2026Common Stock · traded 1 June 2026 · filed 2 June 2026
- ▼ sold on the open market 3,062 shares of Gilead SciencesSEC Form 42 June 2026Common Stock · traded 1 June 2026 · filed 2 June 2026
- ▼ sold on the open market 1,038 shares of Gilead SciencesSEC Form 42 June 2026Common Stock · traded 1 June 2026 · filed 2 June 2026
- ▼ sold on the open market 6,950 shares of Gilead SciencesSEC Form 429 April 2026Common Stock · traded 28 April 2026 · filed 29 April 2026
- ▼ sold on the open market 3,050 shares of Gilead SciencesSEC Form 429 April 2026Common Stock · traded 28 April 2026 · filed 29 April 2026
- ▼ sold on the open market 10,000 shares of Gilead SciencesSEC Form 430 March 2026Common Stock · traded 27 March 2026 · filed 30 March 2026
- ▼ sold on the open market 10,000 shares of Gilead SciencesSEC Form 430 March 2026Common Stock · traded 27 March 2026 · filed 30 March 2026
- exercised options over 20,026 shares of Gilead SciencesSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 9,767 shares of Gilead SciencesSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- exercised options over 20,026 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- exercised options over 20,026 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- was granted 32,815 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- was granted 122,755 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Non-qualified Stock Option (Right to Buy) · traded 10 March 2026 · filed 12 March 2026
- was granted 32,815 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Restricted Stock Unit · traded 10 March 2026 · filed 12 March 2026
- was granted 122,755 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2026Non-qualified Stock Option (Right to Buy) · traded 10 March 2026 · filed 12 March 2026
- exercised options over 20,026 shares of Gilead SciencesSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- had shares withheld for tax on 9,767 shares of Gilead SciencesSEC Form 412 March 2026Common Stock · traded 10 March 2026 · filed 12 March 2026
- was granted 38,396 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 3,481 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 6,419 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 100 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- was granted 38,396 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 3,481 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 6,419 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- ▼ sold on the open market 100 shares of Gilead SciencesSEC Form 42 March 2026Common Stock · traded 27 February 2026 · filed 2 March 2026
- exercised options over 115,640 shares of Gilead SciencesSEC Form 46 February 2026Common Stock · traded 5 February 2026 · filed 6 February 2026
- ▼ sold on the open market 115,640 shares of Gilead SciencesSEC Form 46 February 2026Common Stock · traded 5 February 2026 · filed 6 February 2026
- exercised options over 115,640 shares of Gilead Sciences (a derivative holding)SEC Form 46 February 2026Non-qualified Stock Option (Right to Buy) · traded 5 February 2026 · filed 6 February 2026
- exercised options over 115,640 shares of Gilead Sciences (a derivative holding)SEC Form 46 February 2026Non-qualified Stock Option (Right to Buy) · traded 5 February 2026 · filed 6 February 2026
- exercised options over 115,640 shares of Gilead SciencesSEC Form 46 February 2026Common Stock · traded 5 February 2026 · filed 6 February 2026
- ▼ sold on the open market 115,640 shares of Gilead SciencesSEC Form 46 February 2026Common Stock · traded 5 February 2026 · filed 6 February 2026
- was granted 131,675 shares of Gilead SciencesSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- had shares withheld for tax on 74,461 shares of Gilead SciencesSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- was granted 131,675 shares of Gilead SciencesSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- had shares withheld for tax on 74,461 shares of Gilead SciencesSEC Form 45 February 2026Common Stock · traded 3 February 2026 · filed 5 February 2026
- ▼ sold on the open market 5,032 shares of Gilead SciencesSEC Form 429 January 2026Common Stock · traded 28 January 2026 · filed 29 January 2026
- ▼ sold on the open market 4,968 shares of Gilead SciencesSEC Form 429 January 2026Common Stock · traded 28 January 2026 · filed 29 January 2026
- ▼ sold on the open market 5,032 shares of Gilead SciencesSEC Form 429 January 2026Common Stock · traded 28 January 2026 · filed 29 January 2026
- ▼ sold on the open market 4,968 shares of Gilead SciencesSEC Form 429 January 2026Common Stock · traded 28 January 2026 · filed 29 January 2026
- exercised options over 115,640 shares of Gilead SciencesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- ▼ sold on the open market 115,640 shares of Gilead SciencesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- exercised options over 115,640 shares of Gilead Sciences (a derivative holding)SEC Form 426 January 2026Non-qualified Stock Option (Right to Buy) · traded 23 January 2026 · filed 26 January 2026
- exercised options over 115,640 shares of Gilead Sciences (a derivative holding)SEC Form 426 January 2026Non-qualified Stock Option (Right to Buy) · traded 23 January 2026 · filed 26 January 2026
- exercised options over 115,640 shares of Gilead SciencesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- ▼ sold on the open market 115,640 shares of Gilead SciencesSEC Form 426 January 2026Common Stock · traded 23 January 2026 · filed 26 January 2026
- ▼ sold on the open market 10,000 shares of Gilead SciencesSEC Form 430 December 2025Common Stock · traded 29 December 2025 · filed 30 December 2025
- exercised options over 10,426 shares of Gilead Sciences (a derivative holding)SEC Form 411 December 2025Restricted Stock Unit · traded 10 December 2025 · filed 11 December 2025
- exercised options over 10,426 shares of Gilead SciencesSEC Form 411 December 2025Common Stock · traded 10 December 2025 · filed 11 December 2025
- had shares withheld for tax on 4,931 shares of Gilead SciencesSEC Form 411 December 2025Common Stock · traded 10 December 2025 · filed 11 December 2025
- ▼ sold on the open market 3,212 shares of Gilead SciencesSEC Form 41 December 2025Common Stock · traded 28 November 2025 · filed 1 December 2025
- ▼ sold on the open market 6,788 shares of Gilead SciencesSEC Form 41 December 2025Common Stock · traded 28 November 2025 · filed 1 December 2025
- ▼ sold on the open market 7,978 shares of Gilead SciencesSEC Form 429 October 2025Common Stock · traded 28 October 2025 · filed 29 October 2025
- ▼ sold on the open market 2,022 shares of Gilead SciencesSEC Form 429 October 2025Common Stock · traded 28 October 2025 · filed 29 October 2025
- ▼ sold on the open market 8,039 shares of Gilead SciencesSEC Form 430 September 2025Common Stock · traded 29 September 2025 · filed 30 September 2025
- ▼ sold on the open market 1,961 shares of Gilead SciencesSEC Form 430 September 2025Common Stock · traded 29 September 2025 · filed 30 September 2025
- exercised options over 10,427 shares of Gilead Sciences (a derivative holding)SEC Form 411 September 2025Restricted Stock Unit · traded 10 September 2025 · filed 11 September 2025
- exercised options over 10,427 shares of Gilead SciencesSEC Form 411 September 2025Common Stock · traded 10 September 2025 · filed 11 September 2025
- had shares withheld for tax on 4,949 shares of Gilead SciencesSEC Form 411 September 2025Common Stock · traded 10 September 2025 · filed 11 September 2025
- ▼ sold on the open market 10,000 shares of Gilead SciencesSEC Form 429 August 2025Common Stock · traded 28 August 2025 · filed 29 August 2025
- ▼ sold on the open market 1,655 shares of Gilead SciencesSEC Form 429 July 2025Common Stock · traded 28 July 2025 · filed 29 July 2025
- ▼ sold on the open market 8,345 shares of Gilead SciencesSEC Form 429 July 2025Common Stock · traded 28 July 2025 · filed 29 July 2025
- ▼ sold on the open market 9,400 shares of Gilead SciencesSEC Form 41 July 2025Common Stock · traded 30 June 2025 · filed 1 July 2025
- ▼ sold on the open market 600 shares of Gilead SciencesSEC Form 41 July 2025Common Stock · traded 30 June 2025 · filed 1 July 2025
- exercised options over 10,425 shares of Gilead Sciences (a derivative holding)SEC Form 411 June 2025Restricted Stock Unit · traded 10 June 2025 · filed 11 June 2025
- exercised options over 10,425 shares of Gilead SciencesSEC Form 411 June 2025Common Stock · traded 10 June 2025 · filed 11 June 2025
- had shares withheld for tax on 4,968 shares of Gilead SciencesSEC Form 411 June 2025Common Stock · traded 10 June 2025 · filed 11 June 2025
- ▼ sold on the open market 6,416 shares of Gilead SciencesSEC Form 42 June 2025Common Stock · traded 30 May 2025 · filed 2 June 2025
- ▼ sold on the open market 3,584 shares of Gilead SciencesSEC Form 42 June 2025Common Stock · traded 30 May 2025 · filed 2 June 2025
- exercised options over 24,024 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2025Restricted Stock Unit · traded 10 March 2025 · filed 12 March 2025
- was granted 169,690 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2025Non-qualified Stock Option (Right to Buy) · traded 10 March 2025 · filed 12 March 2025
- was granted 38,395 shares of Gilead Sciences (a derivative holding)SEC Form 412 March 2025Restricted Stock Unit · traded 10 March 2025 · filed 12 March 2025
- exercised options over 24,024 shares of Gilead SciencesSEC Form 412 March 2025Common Stock · traded 10 March 2025 · filed 12 March 2025
- had shares withheld for tax on 11,632 shares of Gilead SciencesSEC Form 412 March 2025Common Stock · traded 10 March 2025 · filed 12 March 2025
- was granted 60,031 shares of Gilead SciencesSEC Form 46 February 2025Common Stock · traded 4 February 2025 · filed 6 February 2025
- was granted 164,473 shares of Gilead SciencesSEC Form 46 February 2025Common Stock · traded 4 February 2025 · filed 6 February 2025
- had shares withheld for tax on 108,156 shares of Gilead SciencesSEC Form 46 February 2025Common Stock · traded 4 February 2025 · filed 6 February 2025
- exercised options over 10,295 shares of Gilead Sciences (a derivative holding)SEC Form 411 December 2024Restricted Stock Unit · traded 10 December 2024 · filed 11 December 2024
- exercised options over 10,295 shares of Gilead SciencesSEC Form 411 December 2024Common Stock · traded 10 December 2024 · filed 11 December 2024
- had shares withheld for tax on 4,762 shares of Gilead SciencesSEC Form 411 December 2024Common Stock · traded 10 December 2024 · filed 11 December 2024
- exercised options over 10,295 shares of Gilead Sciences (a derivative holding)SEC Form 411 September 2024Restricted Stock Unit · traded 10 September 2024 · filed 11 September 2024
- exercised options over 10,295 shares of Gilead SciencesSEC Form 411 September 2024Common Stock · traded 10 September 2024 · filed 11 September 2024
- had shares withheld for tax on 4,749 shares of Gilead SciencesSEC Form 411 September 2024Common Stock · traded 10 September 2024 · filed 11 September 2024
- exercised options over 10,295 shares of Gilead Sciences (a derivative holding)SEC Form 411 June 2024Restricted Stock Unit · traded 10 June 2024 · filed 11 June 2024
- exercised options over 10,295 shares of Gilead SciencesSEC Form 411 June 2024Common Stock · traded 10 June 2024 · filed 11 June 2024
- had shares withheld for tax on 4,693 shares of Gilead SciencesSEC Form 411 June 2024Common Stock · traded 10 June 2024 · filed 11 June 2024
- exercised options over 10,800 shares of Gilead Sciences (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 10 March 2024 · filed 11 March 2024
- exercised options over 19,140 shares of Gilead Sciences (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 10 March 2024 · filed 11 March 2024
- was granted 279,130 shares of Gilead Sciences (a derivative holding)SEC Form 411 March 2024Non-qualified Stock Option (Right to Buy) · traded 10 March 2024 · filed 11 March 2024
- was granted 54,910 shares of Gilead Sciences (a derivative holding)SEC Form 411 March 2024Restricted Stock Unit · traded 10 March 2024 · filed 11 March 2024
- exercised options over 10,800 shares of Gilead SciencesSEC Form 411 March 2024Common Stock · traded 10 March 2024 · filed 11 March 2024
- exercised options over 19,140 shares of Gilead SciencesSEC Form 411 March 2024Common Stock · traded 10 March 2024 · filed 11 March 2024
- had shares withheld for tax on 13,782 shares of Gilead SciencesSEC Form 411 March 2024Common Stock · traded 10 March 2024 · filed 11 March 2024
- was granted 50,870 shares of Gilead SciencesSEC Form 42 February 2024Common Stock · traded 31 January 2024 · filed 2 February 2024
- was granted 179,877 shares of Gilead SciencesSEC Form 42 February 2024Common Stock · traded 31 January 2024 · filed 2 February 2024
- had shares withheld for tax on 79,335 shares of Gilead SciencesSEC Form 42 February 2024Common Stock · traded 31 January 2024 · filed 2 February 2024
- exercised options over 7,347 shares of Gilead Sciences (a derivative holding)SEC Form 411 December 2023Restricted Stock Unit · traded 10 December 2023 · filed 11 December 2023
- exercised options over 7,347 shares of Gilead SciencesSEC Form 411 December 2023Common Stock · traded 10 December 2023 · filed 11 December 2023
- had shares withheld for tax on 3,341 shares of Gilead SciencesSEC Form 411 December 2023Common Stock · traded 10 December 2023 · filed 11 December 2023
- exercised options over 7,348 shares of Gilead Sciences (a derivative holding)SEC Form 411 September 2023Restricted Stock Unit · traded 10 September 2023 · filed 11 September 2023
- exercised options over 7,348 shares of Gilead SciencesSEC Form 411 September 2023Common Stock · traded 10 September 2023 · filed 11 September 2023
- had shares withheld for tax on 3,366 shares of Gilead SciencesSEC Form 411 September 2023Common Stock · traded 10 September 2023 · filed 11 September 2023
- exercised options over 7,346 shares of Gilead Sciences (a derivative holding)SEC Form 412 June 2023Restricted Stock Unit · traded 10 June 2023 · filed 12 June 2023
- exercised options over 7,346 shares of Gilead SciencesSEC Form 412 June 2023Common Stock · traded 10 June 2023 · filed 12 June 2023
- had shares withheld for tax on 3,409 shares of Gilead SciencesSEC Form 412 June 2023Common Stock · traded 10 June 2023 · filed 12 June 2023
- exercised options over 19,488 shares of Gilead Sciences (a derivative holding)SEC Form 414 March 2023Restricted Stock Unit · traded 10 March 2023 · filed 14 March 2023
- exercised options over 10,800 shares of Gilead Sciences (a derivative holding)SEC Form 414 March 2023Restricted Stock Unit · traded 10 March 2023 · filed 14 March 2023
- was granted 47,170 shares of Gilead Sciences (a derivative holding)SEC Form 414 March 2023Restricted Stock Unit · traded 10 March 2023 · filed 14 March 2023
- was granted 215,095 shares of Gilead Sciences (a derivative holding)SEC Form 414 March 2023Non-qualified Stock Option (Right to Buy) · traded 10 March 2023 · filed 14 March 2023
- exercised options over 19,488 shares of Gilead SciencesSEC Form 414 March 2023Common Stock · traded 10 March 2023 · filed 14 March 2023
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.