Listed

Barbre Tiffany Marie

An insider at 1 company in coverage, as reported on Form 4. SEC CIK 2076006. Latest Form 4 filed Oct 26, 2026.

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Roles

As stated on the filings: the relationship to the company and any officer title.

Barbre Tiffany Marie, roles by company
CompanyRoleTransactionsFirstLatest
Costco Wholesale CorpCOSTPrincipal Accounting Officer62026-10-222026-10-22

Transactions: 6

Every transaction reported, newest first, including grants, exercises and derivative securities. Purchases and sales (codes P and S) are open-market trades. The reported price is as stated on the form.

What these mean: insiders, Form 4, transaction codes, Rule 10b5-1 plans.

Barbre Tiffany Marie, transactions
DateCompanyTransactionSharesReported priceValueFiling
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerTax withholding166.451$1,018.21$169.5kForm 4
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerTax withholding84.603$1,018.21$86.1kForm 4
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerTax withholding101.536$1,018.21$103.4kForm 4
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerTax withholding93.948$1,018.21$95.7kForm 4
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerTax withholding90.23$1,018.21$91.9kForm 4
2026-10-22Costco Wholesale CorpPrincipal Accounting OfficerGrant or award1,965$0.00$0Form 4

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 31, 2026, 03:44 ET. Listed shows no prices and gives no investment advice.