Pierre Riel

COST

Pierre Riel serves as Executive Vice President 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

6 trades

$10.99M

Net Position

Net Seller

$10.99M

Companies Traded

COST

Active Period

Sep 2023 – Sep 2025

6 total trades

Most Recent

Sell COST

Sep 10, 2025 · $1.54M

Pierre Riel's Insider Trading at Costco Wholesale Corporation (COST)

Buys

0 · $0.00

Sells

6 · $10.99M

Total Shares Bought

Total Shares Sold

13,978

COST Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Sep 10, 2025	Sell	1,608	$956.50	$1.54M
Jun 6, 2025	Sell	2,000	$1014.15	$2.03M
Oct 15, 2024	Sell	2,000	$896.71	$1.79M
Sep 16, 2024	Sell	2,645	$908.00	$2.40M
Nov 7, 2023	Sell	3,000	$571.12	$1.71M
Sep 19, 2023	Sell	2,725	$556.32	$1.52M