Company · CIK 0000909832 · SIC 5331 — Retail-Variety Stores · Nasdaq
COSTCO WHOLESALE CORP /NEW · COST
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:30 pm EDT | William Richard WilcoxExecutive Vice President | 6,064 | $902.38 | $1,745,752 | 4,194 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:28 pm EDT | Yoram RubanenkoExecutive Vice President | 5,825 | $902.38 | $1,530,393 | 10,680 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:25 pm EDT | Pierre RielExecutive Vice President | 6,114 | $902.38 | $1,409,211 | 14,246 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:23 pm EDT | James C KlauerExecutive Vice President | 5,065 | $902.38 | $844,731 | 48,030 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:22 pm EDT | Teresa A. JonesExecutive Vice President | 5,588 | $902.38 | $1,316,153 | 6,598 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:20 pm EDT | Caton FratesExecutive Vice President | 6,206 | $902.38 | $1,492,864 | 8,713 | — | |
| Sep 10, 2026 AFForm 4 → | Sep 14, 5:17 pm EDT | Claudine AdamoExecutive Vice President | 5,046 | $902.38 | $827,198 | 9,334 | — | |
| Jul 10, 2026 GForm 4 → | Jul 14, 4:14 pm EDT | Jeffrey S RaikesDirector | 5,249 | — | — | 6,044 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.