Tiffany Marie Barbre - Insider Trading & Ownership

Location
999 Lake Drive, Issaquah, WA
Summary
The estimated net worth of Tiffany Marie Barbre is at least $4.82M dollars as of October 24, 2025. Tiffany Marie Barbre is the Principal Accounting Officer of COSTCO WHOLESALE CORP /NEW and owns shares of COSTCO WHOLESALE CORP /NEW (COST) stock worth about $4.82M.
Signature
/s/ Alejandro Torres, Attorney-in-Fact
All Insider Reports
All Insider Reports

Ownership of Tiffany Marie Barbre

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
COST COSTCO WHOLESALE CORP /NEW Principal Accounting Officer $4.82M -$1.16M -19.4% Oct 22, 2025

Insider Transactions Reported by Tiffany Marie Barbre:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.