Markwayne Mullin bought COST

December 29, 2025 · STOCK Act disclosure

Representative Markwayne Mullin (Republican-OK) bought Costco Wholesale Corporation, a stock transaction, valued at $15,001 - $50,000. The trade took place on December 29, 2025 and was disclosed on January 16, 2026 (owner: JT). Members of Congress must report such transactions within 45 days under the STOCK Act.

Type

Buy

Amount

$15,001 - $50,000

Transaction date

December 29, 2025

Disclosed

January 16, 2026

MemberMarkwayne Mullin

ChamberHouse

Party / StateRepublican · OK

AssetCostco Wholesale Corporation (COST)

Security typeStock

OwnerJT

Amount range$15,001 - $50,000

Transaction dateDecember 29, 2025

Filing dateJanuary 16, 2026

AmendmentNo

Asset description

Costco Wholesale Corporation - Common Stock

View the original STOCK Act disclosure