Brian F. Sullivan Net Worth
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Brian F. Sullivan has an estimated net worth of at least $157.8 million*, as of Oct. 29, 2025. They own 2.2 million shares of CELC stock. They have sold 0 shares of CELC stock since 2021, for an estimated $-1.5 million.
Brian F. Sullivan $CELC SEC Form 4 Insider Trading
Brian F. Sullivan has filed a total of 1 insider trades in $CELC since 2021. Their most recent trade was a purchase of 260,869 shares, made on Dec 09, 2022. Their largest trade was a purchase of 260,869 shares, made on Dec 09, 2022. We estimate that they now own 2.2 million shares of $CELC, worth an estimated $159.3 million.
Insider Trading at $CELC
There have been a total of 52 insider trades reported at $CELC since 2021, with 451,723 shares purchased and 162,200 shares sold. The most active insider traders in $CELC stock have been Brian F. Sullivan, , and . The most recent trade was a sale of 1,100 shares reported by Richard E Buller (None), made on Dec 01, 2025.
History of Insider Stock Trades by Brian F. Sullivan
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
CELC
|
Purchase | 260,869 | Dec 09, 2022 | Dec. 13, 2022, 5:47 p.m. |
$CELC Executives and Stock Owners with Insider Trades
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Brian F. Sullivan, Chief Executive Officer
*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.