Company · CIK 0001789972 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
Cullinan Therapeutics, Inc. · CGEM
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 SForm 4 → | Sep 10, 9:22 am EDT | Jennifer MichaelsonChief Scientific Officer | 8,000 | $21.57 | $172,560 | 158,844 | −4.79% | 10b5-1 |
| Sep 8, 2026 MForm 4 → | Sep 10, 9:22 am EDT | Jennifer MichaelsonChief Scientific Officer | 4,000 | $4.30 | $17,200 | 166,844 | — | 10b5-1 |
| Aug 13, 2026 SForm 4 → | Aug 14, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 30,000 | $20.26 | $607,800 | 162,844 | −15.6% | 10b5-1 |
| Aug 13, 2026 MForm 4 → | Aug 14, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 30,000 | $4.30 | $129,000 | 192,844 | — | 10b5-1 |
| Jul 6, 2026 SForm 4 → | Jul 7, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 8,000 | $17.82 | $142,560 | 162,844 | −4.68% | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 4,000 | $4.30 | $17,200 | 170,844 | — | 10b5-1 |
| Jun 30, 2026 AForm 4 → | Jul 2, 5:00 pm EDT | Jacquelyn L SumerChief Legal Officer | 2,470 | $8.60 | $21,242 | 130,559 | — | |
| Jun 30, 2026 AForm 4 → | Jul 2, 5:00 pm EDT | Mary Kay FentonChief Financial Officer | 1,541 | $8.60 | $13,253 | 127,921 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 8, 2026 MForm 4 → | Sep 10, 9:22 am EDT | Jennifer MichaelsonChief Scientific Officer | 4,000 | — | — | 78,987 | — | 10b5-1 |
| Aug 13, 2026 MForm 4 → | Aug 14, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 30,000 | — | — | 82,987 | — | 10b5-1 |
| Jul 6, 2026 MForm 4 → | Jul 7, 5:00 pm EDT | Jennifer MichaelsonChief Scientific Officer | 4,000 | — | — | 112,987 | — | 10b5-1 |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | Anthony RosenbergDirector | 25,319 | — | — | 25,319 | — | |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | David D. MeekDirector | 25,319 | — | — | 25,319 | — | |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | Stephen W WebsterDirector | 25,319 | — | — | 25,319 | — | |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | Andrew R AllenDirector | 21,781 | — | — | 21,781 | — | |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | Mary ThistleDirector | 25,319 | — | — | 25,319 | — | |
| Jun 16, 2026 AForm 4 → | Jun 18, 5:00 pm EDT | Mittie DoyleDirector | 21,781 | — | — | 21,781 | — |