Updated Jul 16, 2026 · Last SEC filing 2026-07-02
GILEAD SCIENCES, INC. (GILD) has filed 20 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 4 Form 8-K material event filings were reported by GILD in the last 90 days. 8 Form 144 notices of proposed sale were filed for GILD stock. InsiderAlpha tracks every GILD SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Biological Products, (No Diagnostic Substances) (SIC 2836) |
|---|---|
| SEC CIK | 0000882095 |
| Form 4 filings (90d) | 20 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 8 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| O'Day Daniel Patrick | Chairman & CEO | S — Open-market sale | 3.1K | $127.08 | $394K | SEC | |
| O'Day Daniel Patrick | Chairman & CEO | S — Open-market sale | 11.9K | $126.09 | $1.50M | SEC | |
| Mercier Johanna | Chief Comm & Corp Aff Officer | S — Open-market sale | 450 | $125.40 | $56K | SEC | |
| Mercier Johanna | Chief Comm & Corp Aff Officer | S — Open-market sale | 1.5K | $123.42 | $183K | SEC | |
| Dickinson Andrew D | Chief Financial Officer | S — Open-market sale | 3.0K | $125.40 | $376K | SEC | |
| Mercier Johanna | Chief Comm & Corp Aff Officer | S — Open-market sale | 1.1K | $124.00 | $133K | SEC | |
| O'Day Daniel Patrick | Chairman & CEO | F — Tax withholding / forfeiture | 4.2K | $121.48 | $512K | SEC | |
| Berger Dietmar | Chief Medical Officer | F — Tax withholding / forfeiture | 263 | $121.48 | $32K | SEC | |
| O'Day Daniel Patrick | Chairman & CEO | M — Option exercise | 8.8K | — | — | SEC | |
| Mercier Johanna | Chief Comm & Corp Aff Officer | F — Tax withholding / forfeiture | 1.3K | $121.48 | $163K | SEC | |
| Dickinson Andrew D | Chief Financial Officer | F — Tax withholding / forfeiture | 1.3K | $121.48 | $163K | SEC | |
| Dickinson Andrew D | Chief Financial Officer | M — Option exercise | 2.8K | — | — | SEC | |
| Cain Wettan Keeley M | EVP Gen Counsel, Legal & Comp | F — Tax withholding / forfeiture | 283 | $121.48 | $34K | SEC | |
| Cain Wettan Keeley M | EVP Gen Counsel, Legal & Comp | M — Option exercise | 589 | — | — | SEC | |
| Berger Dietmar | Chief Medical Officer | M — Option exercise | 533 | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for GILEAD SCIENCES, INC. (GILD). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Mercier Johanna | 12 | $5.88M |
| O'Day Daniel Patrick | 10 | $5.67M |
| Dickinson Andrew D | 5 | $936K |
| MANWANI HARISH | 3 | $29K |
| Berger Dietmar | 3 | $32K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GILD insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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