Insider Trading

William J Newell Net Worth

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Last Updated: 6 days, 7 hours ago

William J Newell has an estimated net worth of at least $11.0 million*, as of April 8, 2026. They own 409,056 shares of STRO stock. They have sold 0 shares of STRO stock since 2021, for an estimated $-77,508.

William J Newell $STRO SEC Form 4 Insider Trading

William J Newell has filed a total of 1 insider trades in $STRO since 2021. Their most recent trade was a purchase of 10,000 shares, made on Mar 14, 2022. Their largest trade was a purchase of 10,000 shares, made on Mar 14, 2022. We estimate that they now own 409,056 shares of $STRO, worth an estimated $11.0 million.



Insider Trading at $STRO

There have been a total of 10 insider trades reported at $STRO since 2021, with 121,754 shares purchased and 43,132 shares sold. The most active insider traders in $STRO stock have been Brunilda Shtylla, David Pauling, and Gregory K. Chow. The most recent trade was a purchase of 17,000 shares reported by Hans-Peter Gerber (CHIEF SCIENTIFIC OFFICER), made on Oct 15, 2025.



History of Insider Stock Trades by William J Newell

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
STRO logo STRO Purchase 10,000 Mar 14, 2022 March 15, 2022, 7 p.m.




$STRO 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.