Summary
Updated Aug 31, 2026
Michael J. Rossi is PRESIDENT CEO of Y-mAbs Therapeutics, Inc. (YMAB). 1 SEC Form 4 filing on record, dated 16 September 2025.
Recent Transactions
2Every recent SEC Form 4 transaction Michael J. Rossi has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael J. Rossi go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. 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 Sector
No other insider has filed at Michael J. Rossi's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Neil Kumar - $53.07M of BBIO open-market activity in the last 12 months
- Randal J. Kirk - $52.87M of PGEN open-market activity in the last 12 months
- ORBIMED ADVISORS LLC - $51.68M of ELVN open-market activity in the last 12 months
- Casdin Partners Master Fund, L.P. - $49.54M of BLFS open-market activity in the last 12 months
- Gary S. Guthart - $48.79M of ISRG open-market activity in the last 12 months
- Robert B. Ford - $48.22M of ABT 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 Michael J. Rossi?
Michael J. Rossi is a corporate insider, tracked as PRESIDENT CEO of Y-mAbs Therapeutics, Inc. (YMAB). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Michael J. Rossi last file a Form 4?
The only primary Form 4 on record is dated 16 September 2025.
Where can I see all of Michael J. Rossi'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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