Jennifer Michaelson
CIK: 0001838061
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Cullinan Therapeutics, Inc.
Discretionary Trading P&L
Holdings
Transaction History (32 total)
- Sep 8, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct8K shares at avg. $21.57$173K - Sep 8, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct4K shares at avg. $4.30$17K - Aug 13, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct30K shares at avg. $20.26$608K - Aug 13, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct30K shares at avg. $4.30$129K - Jul 6, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct8K shares at avg. $17.82$143K - Jul 6, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct4K shares at avg. $4.30$17K - May 5, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct4K shares at avg. $4.30$17K - May 5, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct200 shares at avg. $15.58$3K - May 5, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct7.8K shares at avg. $14.60$114K - Mar 5, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct4K shares at avg. $4.30$17K - Mar 5, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct8K shares at avg. $15.68$125K - Feb 25, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct1.8K shares at avg. $14.14$25K - Feb 24, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct3.6K shares at avg. $14.47$52K - Feb 23, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct1.8K shares at avg. $13.99$25K - Feb 20, 2026CGEM
Cullinan Therapeutics, Inc.
Exercise(M)Direct8K shares at avg. $4.30$34K - Feb 20, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct8K shares at avg. $14.30$114K - Feb 20, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct3.7K shares at avg. $13.62$51K - Feb 18, 2026CGEM
Cullinan Therapeutics, Inc.
Award(A)Direct57.5K shares- - Feb 12, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct416 shares at avg. $12.03$5K - Jan 22, 2026CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct4K shares at avg. $12.30$49K - Dec 19, 2025CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct1.3K shares at avg. $10.01$13K - Dec 18, 2025CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct2.9K shares at avg. $9.67$28K - Dec 15, 2025CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct995 shares at avg. $11.90$12K - Dec 12, 2025CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct2.1K shares at avg. $12.38$27K - Nov 24, 2025CGEM
Cullinan Therapeutics, Inc.
Sale(S)Direct4K shares at avg. $12.30$49K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 8, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 8,000 | $21.57 | $172,560 | Direct |
| Sep 8, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 4,000 | $4.30 | $17,200 | Direct |
| Aug 13, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 30,000 | $20.26 | $607,800 | Direct |
| Aug 13, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 30,000 | $4.30 | $129,000 | Direct |
| Jul 6, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 8,000 | $17.82 | $142,560 | Direct |
| Jul 6, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 4,000 | $4.30 | $17,200 | Direct |
| May 5, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 4,000 | $4.30 | $17,200 | Direct |
| May 5, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 200 | $15.58 | $3,116 | Direct |
| May 5, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 7,800 | $14.60 | $113,880 | Direct |
| Mar 5, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 4,000 | $4.30 | $17,200 | Direct |
| Mar 5, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 8,000 | $15.68 | $125,440 | Direct |
| Feb 25, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 1,780 | $14.14 | $25,169 | Direct |
| Feb 24, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 3,601 | $14.47 | $52,106 | Direct |
| Feb 23, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 1,752 | $13.99 | $24,510 | Direct |
| Feb 20, 2026 | CGEM Cullinan Therapeutics, Inc. | Exercise(M) | 8,000 | $4.30 | $34,400 | Direct |
| Feb 20, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 8,000 | $14.30 | $114,400 | Direct |
| Feb 20, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 3,742 | $13.62 | $50,966 | Direct |
| Feb 18, 2026 | CGEM Cullinan Therapeutics, Inc. | Award(A) | 57,500 | - | $0 | Direct |
| Feb 12, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 416 | $12.03 | $5,004 | Direct |
| Jan 22, 2026 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 4,000 | $12.30 | $49,200 | Direct |
| Dec 19, 2025 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 1,345 | $10.01 | $13,463 | Direct |
| Dec 18, 2025 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 2,898 | $9.67 | $28,024 | Direct |
| Dec 15, 2025 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 995 | $11.90 | $11,841 | Direct |
| Dec 12, 2025 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 2,148 | $12.38 | $26,592 | Direct |
| Nov 24, 2025 | CGEM Cullinan Therapeutics, Inc. | Sale(S) | 4,000 | $12.30 | $49,200 | Direct |
1-25 of 32 transactions
About Michaelson Jennifer
Michaelson Jennifer (SEC CIK 0001838061) files insider reports with the SEC as Chief Scientific Officer of Cullinan Therapeutics, Inc. (CGEM).
Signal8 holds 22 ownership filings by Michaelson Jennifer, all Form 4s, filed between Sep 9, 2024 and Sep 10, 2026. Those filings report 32 transactions, from Sep 5, 2024 to Sep 8, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Michaelson Jennifer's filings is in CAMBRIDGE, MA.
Recent filings by Michaelson Jennifer
- Sep 8, 2026: Open-market sale of CGEM shares (Form 4, code S).
- Sep 8, 2026: Option exercise of CGEM shares (Form 4, code M).
- Aug 13, 2026: Open-market sale of CGEM shares (Form 4, code S).
- Aug 13, 2026: Option exercise of CGEM shares (Form 4, code M).
- Jul 6, 2026: Open-market sale of CGEM shares (Form 4, code S).
Other insiders filing for Cullinan Therapeutics, Inc. (CGEM)
- SUMER JACQUELYN L, Chief Legal Officer
- Fenton Mary Kay, Chief Financial Officer
- Rosenberg Anthony, Director
- Meek David D., Director
- Webster Stephen W, Director
- Allen Andrew R, Director