Jacquelyn L. Sumer, Chief Legal Officer at Cullinan Oncology, Inc. (CGEM), sold 291 shares at $12.94 ($4K) on 2023-06-20, disclosed to the SEC on 2023-06-21.
Open-market sale of $4k CGEM by Chief Legal 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 | 2025-12-19 | $34K | — | Filing → |
| CGEM | SELL | 2025-02-27 | $32K | — | Filing → |
| CGEM | SELL | 2024-12-20 | $40K | — | Filing → |