Sullivan John Christopher sold COST
October 22, 2026 · Form 4 insider transaction
Sullivan John Christopher sold 835.794 shares of Costco Wholesale Corporation at $1018.21 per share, a transaction worth $851.0K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 5 days after the transaction.
Direction
Disposed (sell-side)
Shares
835.794
Price
$1018.21
Total value
$851.0K
InsiderSullivan John Christopher
Role—
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateOctober 22, 2026
Filing dateOctober 27, 2026
Shares owned after48,460
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on Nasdaq on October 22, 2026.