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Insider Trading

Last Updated: 1 month, 3 weeks ago

David Krempa has an estimated net worth of at least $20.5 million*, as of May 27, 2026. They own 37,025 shares of ETON stock. They have sold 134,000 shares of ETON stock since 2021, for an estimated $504,317.

David Krempa $ETON SEC Form 4 Insider Trading

David Krempa has filed a total of 8 insider trades in $ETON since 2021. Their most recent trade was a sale of 19,679 shares, made on May 27, 2026. Their largest trade was a sale of 37,524 shares, made on May 26, 2026. We estimate that they now own 37,025 shares of $ETON, worth an estimated $20.0 million.



Insider Trading at $ETON

There have been a total of 69 insider trades reported at $ETON since 2021, with 217,500 shares purchased and 2.0 million shares sold. The most active insider traders in $ETON stock have been Sean Brynjelsen, David Krempa, and James R. Gruber. The most recent trade was a sale of 13,315 shares reported by Management Inc. Opaleye (None), made on Jul 14, 2026.



History of Insider Stock Trades by David Krempa

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ETON logo ETON Sale 19,679 May 27, 2026 May 27, 2026, 6:28 p.m.
ETON logo ETON Sale 9,315 May 22, 2026 May 27, 2026, 6:28 p.m.
ETON logo ETON Sale 519 May 22, 2026 May 27, 2026, 6:28 p.m.
ETON logo ETON Sale 37,524 May 26, 2026 May 27, 2026, 6:28 p.m.
ETON logo ETON Sale 32,963 May 22, 2026 May 27, 2026, 6:28 p.m.
ETON logo ETON Sale 6,800 Jun 13, 2025 June 16, 2025, 4:56 p.m.
ETON logo ETON Sale 10,223 Jun 16, 2025 June 16, 2025, 4:56 p.m.
ETON logo ETON Sale 16,977 Jun 12, 2025 June 16, 2025, 4:56 p.m.




$ETON 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.