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
Holding Value $8.87M 8,526 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Holding Value $4.04M 3,878 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Self Adam Webb Executive Vice President
Holding Value $3.61M 3,467 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$264k 259 shares
$1,018.21
$1,040.55
Holding Value $53.7M 51,650 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$3.83M 3,763 shares
$1,018.21
$1,040.55
Stanton John W Director
Holding Value $25.3M 24,355 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Vachris Roland Michael President And CEO
Holding Value $68.9M 66,231 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$14.2M 13,973 shares
$1,018.21
$1,040.55
Holding Value $501k 481 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Raikes Jeffrey S Director
Holding Value $6.56M 6,309 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Foulkes Helena Director
Holding Value $1.41M 1,352 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Polit Javier Executive Vice President
Holding Value $14.5M 13,927 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$1.6M 1,571 shares
$1,018.21
$1,040.55
Adamo Claudine Executive Vice President
Holding Value $7.32M 7,036 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$704k 691 shares
$1,018.21
$1,040.55
Millerchip Gary Executive Vice President
Holding Value $22.2M 21,291 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$1.66M 1,630 shares
$1,018.21
$1,040.55
George Sarah Catherine Executive Vice President
Holding Value $4.23M 4,067 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$264k 259 shares
$1,018.21
$1,040.55
Decker Susan L Director
Holding Value $9.15M 8,797 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Barbre Tiffany Marie other, Principal Accounting Officer
Holding Value $7.32M 7,030 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$546k 536 shares
$1,018.21
$1,040.55
James Hamilton E Director
Holding Value $58.1M 55,803 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Denman Kenneth D Director
Holding Value $5.25M 5,044 shares
Last Trade
Oct 22, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$271k 266 shares
$1,018.21
$1,040.55
Klauer James C Executive Vice President
Holding Value $49.8M 47,839 shares
Last Trade
Oct 22, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$2.14M 2,101 shares
$1,018.21
$1,040.55
Wilcox William Richard Executive Vice President
Holding Value $3.22M 3,094 shares
Last Trade
Oct 13, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.05M 1,100 shares
$958.21
$1,040.55
Frates Caton Sr. Executive Vice President
Holding Value $8.23M 7,912 shares
Last Trade
Sep 29, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$733k 800 shares
$915.93
$1,040.55

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