Jennifer Michaelson, Chief Scientific Officer at Cullinan Oncology, Inc. (CGEM), sold 1,145 shares at $8.50 ($10K) on 2023-12-21, disclosed to the SEC on 2023-12-22.
Open-market sale of $10k CGEM by Chief Scientific Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| CGEM | SELL | 2026-07-07 | $143K | — | Filing → |
| CGEM | SELL | 2026-05-06 | $117K | — | Filing → |
| CGEM | SELL | 2026-03-09 | $125K | — | Filing → |