Cullinan Therapeutics, Inc. (CGEM) has 5 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $350K. Most recent filing: Sept. 10, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 10, 2026 filed Sept. 8, 2026 | Michaelson Jennifer Chief Scientific Officer | −$86,280 | 16,000 | −5% | Yes | |
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| Aug. 14, 2026 filed Aug. 13, 2026 | Michaelson Jennifer Chief Scientific Officer | $478,800 | 90,000 | 0% | Yes | |
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| July 7, 2026 filed July 6, 2026 | Michaelson Jennifer Chief Scientific Officer | −$71,280 | 16,000 | −3% | Yes | |
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| July 2, 2026 filed June 30, 2026 | SUMER JACQUELYN L Chief Legal Officer | $21,242 | 2,470 | +2% | No | |
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| July 2, 2026 filed June 30, 2026 | Fenton Mary Kay Chief Financial Officer | $13,253 | 1,541 | +1% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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