Costco Wholesale Insider Trades

COST

Track insider trading activity from Costco Wholesale executives and directors. Key figures include President, CEO, and Director Ron M. Vachris, and Chairman of the Board Hamilton E. James, alongside a board of experienced directors such as Susan Decker and Kenneth D. Denman. While insider selling has been observed, often viewed as modest for a mature company, there has been a noticeable absence of significant insider buying. This pattern suggests that leadership may view the stock as fairly valued rather than undervalued.

Trades Last 12 Months

COST Price

All Insider Trades for Costco Wholesale

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Frates Caton Executive Vice President
Holding Value $5.59M 5,815 shares
Last Trade
Apr 01, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$695k 700 shares
$993.00
$961.83
George Sarah Catherine Executive Vice President
Holding Value $0 0 shares
Last Trade
Mar 12, 2026 Sale (Discretionary)A discretionary transaction reported earlier than normally required.
$636k 642 shares
$991.21
$961.83
Millerchip Gary Executive Vice President
Holding Value $14.9M 15,465 shares
Last Trade
Mar 11, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$1.15M 1,154 shares
$992.23
$961.83
Adamo Claudine Executive Vice President
Holding Value $5.89M 6,121 shares
Last Trade
Mar 09, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$732k 730 shares
$1,003.02
$961.83
Raikes Jeffrey S Director
Holding Value $10.9M 11,292 shares
Last Trade
Jan 27, 2026 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$4.94M 5,115 shares
$965.78
$961.83
Jones Teresa A. Executive Vice President
Holding Value $3.78M 3,927 shares
Last Trade
Jan 27, 2026 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$290k 300 shares
$965.78
$961.83
Holding Value $207k 215 shares
Last Trade
Jan 16, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$207k 215 shares
$963.61
$961.83
Decker Susan L Director
Holding Value $8.21M 8,531 shares
Last Trade
Jan 16, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$437k 458 shares
$955.00
$961.83
Klauer James C Executive Vice President
Holding Value $43.1M 44,836 shares
Last Trade
Jan 14, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.41M 1,500 shares
$939.00
$961.83
Miller Russell D Sr. Executive Vice President
Holding Value $7.93M 8,240 shares
Last Trade
Jan 09, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.37M 1,500 shares
$916.32
$961.83
Polit Javier Executive Vice President
Holding Value $9.8M 10,189 shares
Last Trade
Dec 30, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$481k 558 shares
$862.90
$961.83
Denman Kenneth D Director
Holding Value $5.45M 5,663 shares
Last Trade
Dec 19, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$278k 325 shares
$855.62
$961.83
Wilcox William Richard Executive Vice President
Holding Value $1.92M 2,000 shares
Last Trade
Nov 07, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.23M 2,400 shares
$930.13
$961.83
Barbre Tiffany Marie other, Principal Accounting Officer
Holding Value $4.96M 5,155 shares
Last Trade
Oct 24, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.16M 1,239 shares
$934.62
$961.83
James Hamilton E Director
Holding Value $53.4M 55,537 shares
Last Trade
Oct 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$270k 286 shares
$944.68
$961.83
Holding Value $48.3M 50,184 shares
Last Trade
Oct 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$4.4M 4,654 shares
$944.68
$961.83
Callans Patrick J Executive Vice President
Holding Value $59.2M 61,571 shares
Last Trade
Oct 22, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$865k 916 shares
$944.68
$961.83
Foulkes Helena Director
Holding Value $1.04M 1,086 shares
Last Trade
Oct 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$270k 286 shares
$944.68
$961.83
Holding Value $3.47M 3,612 shares
Last Trade
Oct 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$270k 286 shares
$944.68
$961.83
Stanton John W Director
Holding Value $23.2M 24,089 shares
Last Trade
Oct 22, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$270k 286 shares
$944.68
$961.83

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