Summary
Updated Aug 30, 2026
Brent M. Longnecker is Director of Genprex, Inc. (GNPX). 2 SEC Form 4 filings on record going back to 2024, most recently on 15 April 2026. Most recent open-market trade: sold $12 of GNPX on 15 April 2026. Lifetime open-market sales: $22.
Recent Transactions
3Every recent SEC Form 4 transaction Brent M. Longnecker has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Brent M. Longnecker's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Stephen M. Bloch - $118.66M of LQDA open-market activity in the last 12 months
- RA CAPITAL MANAGEMENT, L.P. - $117.62M of ARTV open-market activity in the last 12 months
- SVF Pauling (Cayman) Ltd - $116.40M of RLAY open-market activity in the last 12 months
- Bain Capital Life Sciences Investors, LLC - $115.00M of HTFL open-market activity in the last 12 months
- Herriot Tabuteau - $110.58M of AXSM open-market activity in the last 12 months
- Mayukh Sukhatme - $109.13M of ROIV 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 Brent M. Longnecker?
Brent M. Longnecker is a corporate insider, tracked as Director of Genprex, Inc. (GNPX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Brent M. Longnecker last file a Form 4?
The most recent primary Form 4 on record is dated 15 April 2026, one of 2 filings going back to 2024.
Has Brent M. Longnecker been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($22) across all tracked filings.
Where can I see all of Brent M. Longnecker'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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