James R. Gruber Net Worth

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Last Updated: 6 days, 21 hours ago

James R. Gruber has an estimated net worth of at least $12.6 million*, as of Sept. 16, 2026. They own 213,420 shares of ETON stock. They have sold 41,713 shares of ETON stock since 2021, for an estimated $673,713.

James R. Gruber $ETON SEC Form 4 Insider Trading

James R. Gruber has filed a total of 2 insider trades in $ETON since 2021. Their most recent trade was a sale of 39,082 shares, made on Aug 19, 2025. Their largest trade was a sale of 39,082 shares, made on Aug 19, 2025. We estimate that they now own 213,420 shares of $ETON, worth an estimated $11.9 million.

Insider Trading at $ETON

There have been a total of 77 insider trades reported at $ETON since 2021, with 217,500 shares purchased and 2.2 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 13,485 shares reported by PAUL V MAIER (None), made on Aug 28, 2026.

History of Insider Stock Trades by James R. Gruber

Company Ticker	Purchase / Sale	Shares	Date	Disclosed (EST)
ETON	Sale	39,082	Aug 19, 2025	Aug. 20, 2025, 5:14 p.m.
ETON	Sale	2,631	Aug 20, 2025	Aug. 20, 2025, 5:14 p.m.

$ETON Executives and Stock Owners with Insider Trades

Sean Brynjelsen, President & CEO
David Krempa, Chief Business Officer
James R. Gruber, Chief Financial Officer
Sean Brynjelsen, Chief Executive Officer
William Wilson Troutman, CFO, Treasurer & Secretary

*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.