Summary
Updated Aug 30, 2026
Gabriel Brooks is Chief Medical Officer of Solid Biosciences Inc. (SLDB). 7 SEC Form 4 filings on record going back to 2024, most recently on 21 April 2026. Most recent open-market trade: sold $81K of SLDB on 6 February 2026. Lifetime open-market sales: $300K.
Recent Transactions
10Every recent SEC Form 4 transaction Gabriel Brooks has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Gabriel Brooks go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. 12 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Gabriel Brooks files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Alexander Cumbo - $984K of SLDB open-market activity in the last 12 months
- David T. Howton - $434K of SLDB open-market activity in the last 12 months
- Kevin Tan - $330K of SLDB open-market activity in the last 12 months
- Jessie Hanrahan - $297K of SLDB open-market activity in the last 12 months
- Paul Herzich - $274K of SLDB open-market activity in the last 12 months
- Ilan Ganot - $82K of SLDB open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Gabriel Brooks?
Gabriel Brooks is a corporate insider, tracked as Chief Medical Officer of Solid Biosciences Inc. (SLDB). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Gabriel Brooks last file a Form 4?
The most recent primary Form 4 on record is dated 21 April 2026, one of 7 filings going back to 2024.
Has Gabriel Brooks been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($300K) across all tracked filings.
Where can I see all of Gabriel Brooks's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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