# Adamo Claudine: insider transactions

SEC CIK 1916124. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-26.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Costco Wholesale Corp](/companies/cost.md) | Executive Vice President, Officer | 5 | 2026-10-22 | 2026-10-22 |

## Transactions: 5

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-22 | [Costco Wholesale Corp](/companies/cost.md) | Tax withholding (F) | 108.607 | $1,018.21 | $110.6k | [Form 4](/filings/0000909832-26-000103.md) |
| 2026-10-22 | [Costco Wholesale Corp](/companies/cost.md) | Tax withholding (F) | 110.967 | $1,018.21 | $113.0k | [Form 4](/filings/0000909832-26-000103.md) |
| 2026-10-22 | [Costco Wholesale Corp](/companies/cost.md) | Tax withholding (F) | 177.058 | $1,018.21 | $180.3k | [Form 4](/filings/0000909832-26-000103.md) |
| 2026-10-22 | [Costco Wholesale Corp](/companies/cost.md) | Tax withholding (F) | 198.289 | $1,018.21 | $201.9k | [Form 4](/filings/0000909832-26-000103.md) |
| 2026-10-22 | [Costco Wholesale Corp](/companies/cost.md) | Tax withholding (F) | 96.942 | $1,018.21 | $98.7k | [Form 4](/filings/0000909832-26-000103.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 31, 2026, 22:54 ET. No prices; not investment advice.