Summary
Updated Aug 30, 2026
Alexander Cumbo files SEC Form 4 reports at Vor Biopharma Inc. (VOR). 11 SEC Form 4 filings on record going back to 2024, most recently on 13 June 2026. Most recent open-market trade: sold $97K of SLDB on 19 February 2026. Lifetime open-market sales: $1.05M.
Recent Transactions
10Every recent SEC Form 4 transaction Alexander Cumbo has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Alexander Cumbo go back to 2024: 11 primary Form 4 filings, an average of 3.7 per year. 15 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 Alexander Cumbo 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.
- RA CAPITAL MANAGEMENT, L.P. - $83.13M of VOR open-market activity in the last 12 months
- Reprogrammed Interchange LLC - $23.42M of VOR open-market activity in the last 12 months
- Stephen Basil Thomas - $879K of CLYM open-market activity in the last 12 months
- Aoife Brennan - $407K of CLYM 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 Alexander Cumbo?
Alexander Cumbo is a corporate insider of Vor Biopharma Inc. (VOR). InsiderAlpha holds 11 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 Alexander Cumbo submitted recently?
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Has Alexander Cumbo been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($1.05M) across all tracked filings.
Where can I see all of Alexander Cumbo'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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