Roland Michael Vachris
President and CEO, Director · COSTCO WHOLESALE CORP /NEW
Individual
- 2024
- Oct 24, 2025
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Roland Michael Vachris files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Claudine Adamo - $5.27M in COST purchases and sales in the last 12 months
- Javier Polit - $2.26M in COST purchases and sales in the last 12 months
- William Richard Wilcox - $2.23M in COST purchases and sales in the last 12 months
- Caton Frates - $1.43M in COST purchases and sales in the last 12 months
- James C. Klauer - $1.41M in COST purchases and sales in the last 12 months
- Russell D. Miller - $1.37M in COST purchases and sales in the last 12 months
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Frequently asked questions
Who is Roland Michael Vachris?
Roland Michael Vachris is a corporate insider, tracked as President and CEO, Director of COSTCO WHOLESALE CORP /NEW (COST). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Roland Michael Vachris last file a Form 4?
The most recent primary Form 4 on record is dated 24 October 2025, one of 2 filings going back to 2024.
