John Christopher Sullivan

COST

John Christopher Sullivan serves as Executive VP 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

4 trades

$7.11M

Net Position

Net Seller

$7.11M

Companies Traded

COST

Active Period

Oct 2022 – Oct 2025

4 total trades

Most Recent

Sell COST

Oct 22, 2025 · $2.37M

John Christopher Sullivan's Insider Trading at Costco Wholesale Corporation (COST)

Buys

0 · $0.00

Sells

4 · $7.11M

Total Shares Bought

Total Shares Sold

9,868

COST Price Chart

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Date	Type	Shares	Avg Price	Value
Oct 22, 2025	Sell	2,514	$944.51	$2.37M
Oct 22, 2024	Sell	2,520	$893.79	$2.25M
Oct 22, 2023	Sell	2,347	$552.95	$1.30M
Oct 22, 2022	Sell	2,487	$478.18	$1.19M

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