Updated Jul 16, 2026
Adamo Claudine is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $3.58M.

Claudine Adamo is an Executive Vice President at Costco Wholesale Corporation, a leading global membership-based warehouse club operator. She has been involved in various roles within the company, contributing to its growth and operational success.
| Role | Executive Vice President |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-11 | COST | COSTCO WHOLESALE CORP /NEW | S — Open-market sale | 730 | $1,003.02 | $732K |
| 2025-09-10 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 950 | $956.29 | $908K |
| 2025-09-10 | COST | COSTCO WHOLESALE CORP /NEW | A — Grant or award | 4.2K | $0.00 | |
| 2024-10-24 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 177 | $893.49 | $158K |
| 2024-10-24 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 198 | $893.49 | $177K |
| 2024-10-24 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 97 | $893.49 | $87K |
| 2024-10-24 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 122 | $893.49 | $109K |
| 2024-10-24 | COST | COSTCO WHOLESALE CORP /NEW | F — Tax withholding / forfeiture | 149 | $893.49 | $133K |
| 2024-10-02 | COST | COSTCO WHOLESALE CORP /NEW | S — Open-market sale | 3.2K | $888.99 | $2.84M |
Claudine Adamo is an Executive Vice President at Costco Wholesale Corporation, a leading global membership-based warehouse club operator. She has been involved in various roles within the company, contributing to its growth and operational success.…
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($3.58M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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