Summary
Updated Aug 31, 2026
Jennifer Michaelson is Chief Scientific Officer of Cullinan Therapeutics, Inc. (CGEM). 17 SEC Form 4 filings on record going back to 2024, most recently on 14 August 2026. Most recent open-market trade: sold $608K of CGEM on 14 August 2026. Lifetime open-market sales: $1.67M.
Recent Transactions
20Every recent SEC Form 4 transaction Jennifer Michaelson has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Jennifer Michaelson go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. 26 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 Jennifer Michaelson 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.
- Lynx1 Capital Management LP - $13.32M of CGEM open-market activity in the last 12 months
- Nadim Ahmed - $518K of CGEM open-market activity in the last 12 months
- Jeffrey Alan Jones - $179K of CGEM open-market activity in the last 12 months
- Jacquelyn L. Sumer - $137K of CGEM open-market activity in the last 12 months
- Mary Kay Fenton - $60K of CGEM 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 Jennifer Michaelson?
Jennifer Michaelson is a corporate insider, tracked as Chief Scientific Officer of Cullinan Therapeutics, Inc. (CGEM). InsiderAlpha holds 17 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 Jennifer Michaelson submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Jennifer Michaelson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 20 open-market sales ($1.67M) across all tracked filings.
Where can I see all of Jennifer Michaelson'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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