Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Tiffany Marie Barbre 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
- William Richard Wilcox - $3.29M in COST purchases and sales in the last 12 months
- Javier Polit - $2.26M 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
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Tiffany Marie Barbre?
Tiffany Marie Barbre is a corporate insider of COSTCO WHOLESALE CORP /NEW (COST). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Tiffany Marie Barbre last file a Form 4?
The only primary Form 4 on record is dated 24 October 2025.
Has Tiffany Marie Barbre been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($1.16M) across all tracked filings.
