Roland Michael Vachris

COST

Roland Michael Vachris serves as President and CEO at Costco Wholesale Corporation (COST). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

10 trades

$21.17M

Net Position

Net Seller

$21.17M

Companies Traded

COST

Active Period

Mar 2021 – Oct 2025

10 total trades

Most Recent

Sell COST

Oct 22, 2025 · $2.51M

Roland Michael Vachris's Insider Trading at Costco Wholesale Corporation (COST)

Buys

0 · $0.00

Sells

10 · $21.17M

Total Shares Bought

Total Shares Sold

37,233

COST Price Chart

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Date	Type	Shares	Avg Price	Value
Oct 22, 2025↗	Sell	2,653	$944.61	$2.51M
Mar 11, 2025↗	Sell	3,600	$931.00	$3.35M
Oct 22, 2024↗	Sell	1,731	$893.42	$1.55M
Sep 15, 2023↗	Sell	5,491	$556.34	$3.05M
Mar 6, 2023↗	Sell	4,100	$476.29	$1.95M
Sep 12, 2022↗	Sell	4,461	$539.52	$2.41M
Jan 27, 2022↗	Sell	3,318	$492.44	$1.63M
Sep 14, 2021↗	Sell	3,579	$458.41	$1.64M
Jul 12, 2021↗	Sell	4,000	$409.40	$1.64M
Mar 22, 2021↗	Sell	4,300	$334.30	$1.44M