COST Insider Trading
Form 4 insider transactions for COST over the last 6 months. Buys, sells and grants by directors and officers.
| Insider | Date | Type | Shares | Price |
|---|---|---|---|---|
| Adamo ClaudineExecutive Vice President | Oct 22, 2026 | Tax withholding | 692 | $1018.21 |
| Barbre Tiffany Marie | Oct 22, 2026 | Tax withholding | 537 | $1018.21 |
| Barbre Tiffany Marie | Oct 22, 2026 | Grant / award | 1,965 | — |
| DECKER SUSAN L | Oct 22, 2026 | Grant / award | 266 | — |
| DENMAN KENNETH D | Oct 22, 2026 | Grant / award | 266 | — |
| Foulkes Helena | Oct 22, 2026 | Grant / award | 266 | — |
| George Sarah CatherineExecutive Vice President | Oct 22, 2026 | Tax withholding | 260 | $1018.21 |
| JAMES HAMILTON E | Oct 22, 2026 | Grant / award | 266 | — |
| JEWELL SARAH MR SALLY | Oct 22, 2026 | Grant / award | 266 | — |
| Klauer James CExecutive Vice President | Oct 22, 2026 | Tax withholding | 2,101 | $1018.21 |
| RAIKES JEFFREY S | Oct 22, 2026 | Grant / award | 266 | — |
| Raimondo Gina Marie | Oct 22, 2026 | Grant / award | 266 | — |
| STANTON JOHN W | Oct 22, 2026 | Grant / award | 266 | — |
| Wilderotter Mary Agnes | Oct 22, 2026 | Grant / award | 266 | — |
| MILLERCHIP GARYExecutive Vice President | Oct 22, 2026 | Tax withholding | 1,631 | $1018.21 |
| MILLERCHIP GARYExecutive Vice President | Oct 22, 2026 | Grant / award | 6,140 | — |
| POLIT JAVIERExecutive Vice President | Oct 22, 2026 | Tax withholding | 1,572 | $1018.21 |
| POLIT JAVIERExecutive Vice President | Oct 22, 2026 | Grant / award | 4,129 | — |
| Self Adam WebbExecutive Vice President | Oct 22, 2026 | Tax withholding | 260 | $1018.21 |
| Sullivan John ChristopherExecutive VP | Oct 22, 2026 | Tax withholding | 3,763 | $1018.21 |
| Sullivan John ChristopherExecutive VP | Oct 22, 2026 | Grant / award | 4,552 | — |
| Vachris Roland MichaelPresident and CEO | Oct 22, 2026 | Tax withholding | 3,656 | $1018.21 |
| Vachris Roland MichaelPresident and CEO | Oct 22, 2026 | Grant / award | 13,973 | — |
| Wilcox William RichardExecutive Vice President | Oct 13, 2026 | Sell | 1,100 | $958.21 |
| Adamo ClaudineExecutive Vice President | Sep 29, 2026 | Sell | 2,200 | $915.93 |
| Frates CatonSr. Executive Vice President | Sep 29, 2026 | Sell | 801 | $915.93 |
| Adamo ClaudineExecutive Vice President | Sep 10, 2026 | Tax withholding | 917 | $902.38 |
| Adamo ClaudineExecutive Vice President | Sep 10, 2026 | Grant / award | 4,129 | — |
| Frates CatonExecutive Vice President | Sep 10, 2026 | Tax withholding | 1,654 | $902.38 |
| Frates CatonExecutive Vice President | Sep 10, 2026 | Grant / award | 4,552 | — |
| Klauer James CExecutive Vice President | Sep 10, 2026 | Tax withholding | 936 | $902.38 |
| Klauer James CExecutive Vice President | Sep 10, 2026 | Grant / award | 4,129 | — |
| Riel PierreExecutive Vice President | Sep 10, 2026 | Tax withholding | 1,562 | $902.38 |
| Riel PierreExecutive Vice President | Sep 10, 2026 | Grant / award | 4,552 | — |
| Rubanenko YoramExecutive Vice President | Sep 10, 2026 | Tax withholding | 1,696 | $902.38 |
| Rubanenko YoramExecutive Vice President | Sep 10, 2026 | Grant / award | 4,129 | — |
| Wilcox William RichardExecutive Vice President | Sep 10, 2026 | Tax withholding | 1,935 | $902.38 |
| Wilcox William RichardExecutive Vice President | Sep 10, 2026 | Grant / award | 4,129 | — |
| Jones Teresa A.Executive Vice President | Sep 10, 2026 | Tax withholding | 1,459 | $902.38 |
| Jones Teresa A.Executive Vice President | Sep 10, 2026 | Grant / award | 4,129 | — |
| RAIKES JEFFREY S | Jul 10, 2026 | Gift | 5,249 | — |
| DENMAN KENNETH D | Jun 23, 2026 | Sell | 885 | $957.45 |
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Source: SEC EDGAR Form 4 filings.