Claudine Adamo, Executive Vice President at COSTCO WHOLESALE CORP /NEW (COST), sold 2,200 shares at $915.93 ($2.0M) on 2026-09-29, disclosed to the SEC on 2026-09-30.
Seasonal sale ($2.0M) by Executive Vice President — this insider has traded COST in September in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| COST | SELL | 2025-03-25 | $830K | — | Filing → |
| COST | SELL | 2024-10-02 | $2.8M | — | Filing → |
| COST | SELL | 2024-03-13 | $1.1M | — | Filing → |