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Insider Trading

Last Updated: 6 days, 16 hours ago

Niall O'Donnell has an estimated net worth of at least $152.9 million*, as of Oct. 29, 2025. They own 1.3 million shares of SPRB stock. They have sold 300,000 shares of SPRB stock since 2021, for an estimated $-2.0 million.

Niall O'Donnell $SPRB SEC Form 4 Insider Trading

Niall O'Donnell has filed a total of 1 insider trades in $SPRB since 2021. Their most recent trade was a purchase of 630,400 shares, made on Feb 16, 2023. Their largest trade was a purchase of 630,400 shares, made on Feb 16, 2023. We estimate that they now own 1.3 million shares of $SPRB, worth an estimated $154.9 million.



Insider Trading at $SPRB

There have been a total of 13 insider trades reported at $SPRB since 2021, with 2.8 million shares purchased and 4.2 million shares sold. The most active insider traders in $SPRB stock have been , , and . The most recent trade was a purchase of 256 shares reported by Healthcare Partners LLC Parkman (None), made on Oct 06, 2025.



History of Insider Stock Trades by Niall O'Donnell

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
SPRB logo SPRB Purchase 630,400 Feb 16, 2023 May 16, 2023, 4:08 p.m.
RPHM logo RPHM Purchase 125,000 May 08, 2023 May 10, 2023, 5:47 p.m.
MIRM logo MIRM Sale 174,121 Nov 11, 2022 Nov. 15, 2022, 9:02 p.m.
MIRM logo MIRM Sale 32,109 Nov 14, 2022 Nov. 15, 2022, 9:02 p.m.
MIRM logo MIRM Sale 93,770 Nov 15, 2022 Nov. 15, 2022, 9:02 p.m.




$SPRB 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.