Form 4 · COST
Costco Executive Vice President Claudine Adamo reports selling 2,200 shares
Claudine Adamo, Costco's Executive Vice President, filed a Form 4 on Sep 30, 2026 at 5:48 PM ET reporting transactions on Sep 29, 2026.
The filing reports 2,200 shares in an open-market or private sale (code S) at $915.93, about $2.0 million in total.
The filing does not indicate that the sales were made under a Rule 10b5-1 trading plan.
After these transactions, the filing lists about 7,134 shares held directly.
Effect on holdings
Taken together, the rows reported here lowered Claudine Adamo's directly held shares by 23.6%, from about 9,334 to about 7,134.
Reporting person
- Claudine Adamo, Executive Vice President (as filed: Adamo Claudine)
Transactions as reported
| Date | Code | Security | Shares | Price | Acquired or disposed | Held after | Ownership |
|---|---|---|---|---|---|---|---|
| 2026-09-29 | S | Common Stock | 2,200 | $915.93 | Disposed | 7,134 | Direct |
Codes: P purchase, S sale, A grant or award, M/X/C exercise or conversion, F shares withheld for taxes or the exercise price, G gift. Prices are as reported; some are weighted averages of several trades.
Source
- Form 4 filed Sep 30, 2026 (document)
- Filing index on SEC EDGAR (all documents and exhibits)
Costco company file → · More Costco filings
Disclosures
- Editor holdings in COST
- The editor holds no position in Costco (COST). As of Oct 25, 2026.
- Last updated
- Oct 25, 2026
A summary of a public filing for general education, the same for every reader. Not a recommendation to buy, sell or hold COST.