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Insider Trading

Last Updated: 28 minutes ago

Robert Schaefer has an estimated net worth of at least $11.6 million*, as of today. They own 1.3 million shares of STEM stock. They have sold 168,021 shares of STEM stock since 2021, for an estimated $427,752.

Robert Schaefer $STEM SEC Form 4 Insider Trading

Robert Schaefer has filed a total of 6 insider trades in $STEM since 2021. Their most recent trade was a sale of 100,000 shares, made on Mar 19, 2024. Their largest trade was a sale of 100,000 shares, made on Mar 19, 2024. We estimate that they now own 1.3 million shares of $STEM, worth an estimated $11.2 million.



Insider Trading at $STEM

There have been a total of 170 insider trades reported at $STEM since 2021, with 387,300 shares purchased and 3.9 million shares sold. The most active insider traders in $STEM stock have been John Eugene Carrington, William John Bush, and Larsh Johnson. The most recent trade was a sale of 20,823 shares reported by Matthew Tappin (President, Software Division), made on Jun 16, 2025.



History of Insider Stock Trades by Robert Schaefer

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
STEM logo STEM Sale 100,000 Mar 19, 2024 March 20, 2024, 6:08 p.m.
STEM logo STEM Sale 37,463 Mar 08, 2024 March 12, 2024, 4:16 p.m.
STEM logo STEM Sale 5,945 Mar 04, 2024 March 5, 2024, 5:23 p.m.
STEM logo STEM Sale 7,866 Feb 16, 2024 Feb. 20, 2024, 5:49 p.m.
STEM logo STEM Sale 11,364 Mar 15, 2023 March 17, 2023, 5:24 p.m.
STEM logo STEM Sale 5,383 Mar 09, 2023 March 13, 2023, 4:45 p.m.




$STEM 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.