SEC Insider Transactions from Riel Pierre.

Last updated: 2026-03-14 11:05 UTC | Total transactions: 6

Riel Pierre, Executive Vice President at Costco Wholesale ($COST), made one open market sale of common shares in the last year, totaling $2.03 million. His most recent transaction occurred on June 6, 2025. This places him 3,473rd out of 11,678 insiders by sale value, below the average of $8.6 million across 6.37 transactions per insider. Riel Pierre reported no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Sept. 10, 2025 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President A Common Stock 4654 $0.00 12,864.2460 444,803,000 56.69% 0.00%
Sept. 10, 2025 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President F Common Stock 1608 $956.29 11,255.8850 444,803,000 12.50% 0.00%
June 6, 2025 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President S Common Stock 2000 $1014.15 8,210.2460 444,891,000 19.59% 0.00%
Oct. 15, 2024 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President S Common Stock 2000 $896.71 10,210.2460 444,759,000 16.38% 0.00%
Sept. 16, 2024 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President A Common Stock 7433 $0.00 14,855.6120 444,759,000 100.15% 0.00%
Sept. 16, 2024 COSTCO WHOLESALE CORP /NEW $COST Riel Pierre Executive Vice President F Common Stock 2645 $907.87 12,210.2460 444,759,000 17.81% 0.00%