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Gilead Sciences

XNAS · BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES)

12 articles20 insider tx20 holders0 supply chain10 selling intent filings0 new insiders

Research articles

Includes notes from domestic 8-K and foreign private issuer 6-K disclosures.

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Recent insider activity

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$50.0M$25.0M$0-$25.0M-$50.0M2024-10 -$168K2024-11 -$41.6M2024-12 -$782K2025-01 -$14.1M2025-02 -$14.3M2025-03 -$2.4M2025-04 -$266K2025-05 -$3.0M2025-06 -$1.7M2025-07 -$2.3M2025-08 -$3.3M2025-09 -$1.7M2025-10 -$1.8M2025-11 -$13.0M2025-12 -$1.6M2026-01 -$18.0M2026-02 -$23.6M2026-03 -$1.8M2026-04 -$1.7M2026-05 -$4.1M2026-06 -$2.7M2026-07 -$2.7M2026-08 -$9.6M2026-09 -$3.1MInstitutional shares (majority-gated quarters)500.0M250.0M02025-Q4 439.5M sh2026-Q1 332.2M sh2026-Q2 321.8M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

open-market Form 4 only - grants, exercises, tax withholding excluded

0 buyers - 7 unique sellers · 8 accumulating - 6 trimming - 0 unchanged

Date Insider Title Type Shares Price Value
September 22, 2026 Burkhart Erin SVP, Controllership OPTION_EXERCISE -2,223 — —
September 22, 2026 Burkhart Erin SVP, Controllership TAX_WITHHOLD -768 $153 ~$0.1M
September 22, 2026 Burkhart Erin SVP, Controllership OPTION_EXERCISE 2,223 — —
September 15, 2026 Mercier Johanna Chief Comm & Corp Aff Officer SELL -600 $145 ~$87K
September 15, 2026 Mercier Johanna Chief Comm & Corp Aff Officer SELL -800 $144 ~$0.1M
September 15, 2026 Mercier Johanna Chief Comm & Corp Aff Officer SELL -1,600 $144 ~$0.2M
September 15, 2026 Dickinson Andrew D Chief Financial Officer SELL -3,000 $145 ~$0.4M
September 10, 2026 O'Day Daniel Patrick Chairman & CEO OPTION_EXERCISE -8,780 — —
September 10, 2026 O'Day Daniel Patrick Chairman & CEO TAX_WITHHOLD -4,230 $145 ~$0.6M
September 10, 2026 O'Day Daniel Patrick Chairman & CEO OPTION_EXERCISE 8,780 — —
September 10, 2026 Cain Wettan Keeley M EVP Gen Counsel, Legal & Comp OPTION_EXERCISE -590 — —
September 10, 2026 Cain Wettan Keeley M EVP Gen Counsel, Legal & Comp TAX_WITHHOLD -285 $145 ~$41K
September 10, 2026 Cain Wettan Keeley M EVP Gen Counsel, Legal & Comp OPTION_EXERCISE 590 — —
September 10, 2026 Mercier Johanna Chief Comm & Corp Aff Officer OPTION_EXERCISE -2,797 — —
September 10, 2026 Mercier Johanna Chief Comm & Corp Aff Officer TAX_WITHHOLD -1,347 $145 ~$0.2M
September 10, 2026 Mercier Johanna Chief Comm & Corp Aff Officer OPTION_EXERCISE 2,797 — —
September 10, 2026 Berger Dietmar Chief Medical Officer OPTION_EXERCISE -533 — —
September 10, 2026 Berger Dietmar Chief Medical Officer TAX_WITHHOLD -263 $145 ~$38K
September 10, 2026 Berger Dietmar Chief Medical Officer OPTION_EXERCISE 533 — —
September 10, 2026 Dickinson Andrew D Chief Financial Officer OPTION_EXERCISE -2,797 — —

Insider Selling Intent (Form 144)

Date Filer Relationship Est. shares Filing
September 15, 2026 Johanna Mercier — 3,000 SEC
September 15, 2026 Andrew Dickinson — 3,000 SEC
August 26, 2026 Anthony Welters — 18,000 SEC
August 20, 2026 Jeffrey Bluestone — 5,000 SEC
August 17, 2026 Andrew Dickinson — 3,000 SEC
August 17, 2026 Johanna Mercier — 28,000 SEC
August 3, 2026 Daniel O'Day — 55,000 SEC
July 15, 2026 Andrew Dickinson — 3,000 SEC
July 15, 2026 Johanna Mercier — 3,000 SEC
June 15, 2026 Johanna Mercier — 3,000 SEC

Institutional holdings

Institution Shares Value ($) Change % Filing date
BlackRock 119,010,973 ~$16.6B -3.4% May 13, 2026
BlackRock 121,844,108 ~$15.4B 2.4% August 7, 2026
BlackRock 123,195,578 ~$15.1B — February 12, 2026
Vanguard Group 121,097,336 ~$14.9B — January 29, 2026
Fidelity (FMR) 71,906,290 ~$10.0B 9.7% May 15, 2026
Fidelity (FMR) 66,870,816 ~$8.4B -7.0% August 13, 2026
State Street 59,858,585 ~$8.3B -0.6% May 15, 2026
BlackRock 120,632,023 ~$8.3B — August 13, 2024
Fidelity (FMR) 65,579,490 ~$8.0B — February 17, 2026
State Street 61,216,552 ~$7.7B 2.3% August 7, 2026
State Street 60,240,518 ~$7.4B — February 13, 2026
JP Morgan Chase 34,371,910 ~$4.7B 44.0% May 13, 2026
Morgan Stanley 23,299,295 ~$3.2B -0.9% May 15, 2026
Morgan Stanley 24,004,354 ~$3.0B 3.0% August 13, 2026
JP Morgan Chase 23,871,863 ~$2.9B — February 11, 2026
Morgan Stanley 23,512,734 ~$2.9B — May 27, 2026
JP Morgan Chase 21,353,121 ~$2.7B -37.9% August 12, 2026
Goldman Sachs 11,542,014 ~$1.6B 30.9% May 15, 2026
Goldman Sachs 11,199,994 ~$1.4B -3.0% August 14, 2026
Goldman Sachs 8,814,813 ~$1.1B — March 25, 2026
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