Jacquelyn L. Sumer
Chief Legal Officer · Cullinan Therapeutics, Inc.
- 2024
- Jul 2, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jacquelyn L. Sumer 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.
- Jennifer Michaelson - $1.62M in CGEM purchases and sales in the last 12 months
- Nadim Ahmed - $518K in CGEM purchases and sales in the last 12 months
- Jeffrey Alan Jones - $179K in CGEM purchases and sales in the last 12 months
- Mary Kay Fenton - $60K in CGEM purchases and sales in the last 12 months
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Frequently asked questions
Who is Jacquelyn L. Sumer?
Jacquelyn L. Sumer is a corporate insider, tracked as Chief Legal Officer of Cullinan Therapeutics, Inc. (CGEM). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jacquelyn L. Sumer last file a Form 4?
The most recent primary Form 4 on record is dated 2 July 2026, one of 6 filings going back to 2024.
Has Jacquelyn L. Sumer been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($176K) across all tracked filings.
