Roland Michael Vachris
President and COO at Costco Wholesale Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Costco Wholesale Corporation, 3 years.
Costco Wholesale Corporation
Director · President and CEO
Chief executive roles
Costco Wholesale Corporation
· President and CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Oct 22, 2025 | Costco Wholesale Corporation | Grant or award | +13,834 | — | — |
| Oct 22, 2025 | Costco Wholesale Corporation | Shares withheld for tax | −1,493 | $944.68 | $1,410,454 |
| Oct 22, 2025 | Costco Wholesale Corporation | Shares withheld for tax | −1,160 | $944.68 | $1,095,593 |
| Mar 11, 2025 | Costco Wholesale Corporation | Open-market sale | −3,600 | $931.00 | $3,351,600 |
| Oct 22, 2024 | Costco Wholesale Corporation | Grant or award | +19,148 | — | — |
| Oct 22, 2024 | Costco Wholesale Corporation | Shares withheld for tax | −1,731 | $893.49 | $1,546,506 |
| Sep 15, 2023 | Costco Wholesale Corporation | Grant or award | +14,639 | — | — |
| Sep 15, 2023 | Costco Wholesale Corporation | Shares withheld for tax | −5,491 | $556.36 | $3,054,884 |
| Mar 6, 2023 | Costco Wholesale Corporation | Open-market sale | −4,100 | $476.29 | $1,952,789 |
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