Insider Trading

Richard Nigon Net Worth

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Last Updated: 3 days, 17 hours ago

Richard Nigon has an estimated net worth of at least $10.3 million*, as of April 8, 2026. They own 89,035 shares of CELC stock. They have sold 1,847 shares of CELC stock since 2021, for an estimated $-49,421.

Richard Nigon $CELC SEC Form 4 Insider Trading

Richard Nigon has filed a total of 2 insider trades in $CELC since 2021. Their most recent trade was a purchase of 5,000 shares, made on Sep 09, 2022. Their largest trade was a purchase of 5,000 shares, made on Sep 09, 2022. We estimate that they now own 89,035 shares of $CELC, worth an estimated $10.4 million.



Insider Trading at $CELC

There have been a total of 55 insider trades reported at $CELC since 2021, with 451,723 shares purchased and 185,200 shares sold. The most active insider traders in $CELC stock have been Brian F. Sullivan, , and . The most recent trade was a sale of 20,000 shares reported by David Dalvey (None), made on Jan 27, 2026.



History of Insider Stock Trades by Richard Nigon

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
NTIC logo NTIC Sale 1,847 Jul 27, 2023 July 27, 2023, 5:48 p.m.
CELC logo CELC Purchase 5,000 Sep 09, 2022 Sept. 13, 2022, 5:15 p.m.
CELC logo CELC Purchase 754 May 25, 2022 May 25, 2022, 8 p.m.




$CELC 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.