Summary
Updated Aug 31, 2026
Otello Stampacchia files SEC Form 4 reports at ImageneBio, Inc. (IMA). 2 SEC Form 4 filings on record going back to 2025, most recently on 18 June 2026. Most recent open-market trade: bought $8.00M of IMA on 30 July 2025. Lifetime open-market purchases: $8.00M.
Recent Transactions
2Every recent SEC Form 4 transaction Otello Stampacchia has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Otello Stampacchia go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $8.00M (1 buy totaling $8.00M). The largest single buy on record is $8.00M of IMA in 2025. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Otello Stampacchia 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.
- Robert B. Lally - $17K of IMA open-market activity in the last 12 months
- ORBIMED ADVISORS LLC - of IMA open-market activity in the last 12 months
- David P. Bonita - of IMA 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 Otello Stampacchia?
Otello Stampacchia is a corporate insider of ImageneBio, Inc. (IMA). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Otello Stampacchia submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Otello Stampacchia been buying or selling stock?
Recorded transactions: 1 open-market purchase ($8.00M) and 0 open-market sales across all tracked filings.
Where can I see all of Otello Stampacchia'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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