Summary
Updated Aug 31, 2026
Gregory M. Weinhoff is Chief Business Officer of Centessa Pharmaceuticals plc (CNTA). 10 SEC Form 4 filings on record going back to 2024, most recently on 24 June 2026. Most recent open-market trade: sold $720K of CNTA on 27 March 2026. Lifetime open-market sales: $3.33M.
Recent Transactions
16Every recent SEC Form 4 transaction Gregory M. Weinhoff has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Gregory M. Weinhoff go back to 2024: 10 primary Form 4 filings, an average of 3.3 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 Gregory M. Weinhoff 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.
- Karen M. Anderson - $9.65M of CNTA open-market activity in the last 12 months
- Tia L. Bush - $4.05M of CNTA open-market activity in the last 12 months
- Iqbal J. Hussain - $2.28M of CNTA open-market activity in the last 12 months
- Mario Alberto Accardi - $515K of CNTA open-market activity in the last 12 months
- Medicxi Ventures Management (Jersey) Ltd - of CNTA open-market activity in the last 12 months
- INDEX VENTURES LIFE VI (JERSEY) L.P. - of CNTA 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 Gregory M. Weinhoff?
Gregory M. Weinhoff is a corporate insider, tracked as Chief Business Officer of Centessa Pharmaceuticals plc (CNTA). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Gregory M. Weinhoff submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Gregory M. Weinhoff been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($3.33M) across all tracked filings.
Where can I see all of Gregory M. Weinhoff'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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