Callans Patrick J plan to sell securities of COSTCO WHOLESALE CORP /NEW under Form 144

Callans Patrick J filed Form 144 to notify SEC of plan to sell 1001 units of COSTCO WHOLESALE CORP /NEW securities around 2026-06-12, with aggregate market value of $972,848.27. The total outstanding units is 443478804.0. The amount planned to be sold represents 0.00% of total outstanding units; Recent transactions in past 3 months include: On 06/05/2026, sold 1000 units for $995372.70;