COST
Costco Wholesale Corp /new
72 disclosed insider filings · 23 distinct insiders · latest Oct 27, 2026
Total filings
72
23 insiders
Insider buys
0
$0
Insider sells
3
$3.8M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Oct 27, 2026 | Oct 22, 2026 | Adam Webb Self OFFICER | OTHER | 259.767 | $1,018.21 | $264K | 5 | EDGAR |
| Oct 27, 2026 | Oct 22, 2026 | John Christopher Sullivan OFFICER | OTHER | 8,315.249 | $460.81 | $3.8M | 6 | EDGAR |
| Oct 27, 2026 | Oct 22, 2026 | Javier Polit OFFICER | OTHER | 5,700.616 | $280.71 | $1.6M | 5 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Hamilton E James DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Claudine Adamo OFFICER | OTHER | 691.863 | $1,018.21 | $704K | 5 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Helena Foulkes DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | James C Klauer OFFICER | OTHER | 2,101.365 | $1,018.21 | $2.1M | 5 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Mary Agnes Wilderotter DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Gary Millerchip OFFICER | OTHER | 7,770.742 | $213.68 | $1.7M | 4 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Sarah MR Sally Jewell DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Kenneth D Denman DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Susan L Decker DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Gina Marie Raimondo DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Sarah Catherine George OFFICER | OTHER | 259.761 | $1,018.21 | $264K | 5 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Tiffany Marie Barbre INSIDER | OTHER | 2,501.768 | $218.46 | $547K | 6 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Roland Michael Vachris OFFICER | OTHER | 17,628.614 | $211.14 | $3.7M | 4 | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | John W Stanton DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | Jeffrey S Raikes DIRECTOR | OTHER | 266 | — | — | — | EDGAR |
| Oct 14, 2026 | Oct 13, 2026 | William Richard Wilcox OFFICER | SELL | 1,100 | $958.21 | $1.1M | — | EDGAR |
| Sep 30, 2026 | Sep 29, 2026 | Caton Frates OFFICER | SELL | 800.638 | $915.93 | $733K | — | EDGAR |
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