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Insider Trading

Last Updated: 3 months, 3 weeks ago

James C Klauer has an estimated net worth of at least $50.5 million*, as of Oct. 29, 2025. They own 44,935 shares of COST stock. They have sold 14,500 shares of COST stock since 2021, for an estimated $7.9 million.

James C Klauer $COST SEC Form 4 Insider Trading

James C Klauer has filed a total of 5 insider trades in $COST since 2021. Their most recent trade was a sale of 1,500 shares, made on Jan 14, 2026. Their largest trade was a sale of 5,000 shares, made on Jun 14, 2021. We estimate that they now own 44,935 shares of $COST, worth an estimated $42.5 million.



Insider Trading at $COST

There have been a total of 92 insider trades reported at $COST since 2021, with 1,775 shares purchased and 180,032 shares sold. The most active insider traders in $COST stock have been Richard A Galanti, Claudine Adamo, and Caton Frates. The most recent trade was a sale of 850 shares reported by Teresa A. Jones (Executive Vice President), made on Jan 21, 2026.



History of Insider Stock Trades by James C Klauer

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
COST logo COST Sale 1,500 Jan 14, 2026 Jan. 15, 2026, 5:27 p.m.
COST logo COST Sale 4,000 Apr 17, 2025 April 21, 2025, 4:33 p.m.
COST logo COST Sale 1,500 Oct 11, 2023 Oct. 12, 2023, 4:28 p.m.
COST logo COST Sale 2,500 Jan 27, 2023 Jan. 31, 2023, 7:04 p.m.
COST logo COST Sale 5,000 Jun 14, 2021 June 13, 2021, 8 p.m.




$COST Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.