Cullinan Therapeutics, Inc. (CGEM) insider trading.
In Q3 2026, insiders at Cullinan Therapeutics, Inc. reported 8 non-derivative transactions on 5 Forms 3, 4 and 5: 0 open-market purchases and 3 sales worth $923K.
- Transactions
- 8
- Purchases (P)
- 0
- Sales (S)
- 3
- Net shares, P minus S
- -46,000
- Insiders
- 3
- Last filed
- 2026-09-10
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Michaelson Jennifer | Officer · Chief Scientific Officer | 6 | 0 | 3 |
| Fenton Mary Kay | Officer · Chief Financial Officer | 1 | 0 | 0 |
| Sumer Jacquelyn L | Officer · Chief Legal Officer | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-08 | Michaelson Jennifer | S (D) | 8,000 | $21.57 | 158,844 | Form 4 |
| 2026-09-08 | Michaelson Jennifer | M (A) | 4,000 | $4.3 | 166,844 | Form 4 |
| 2026-08-13 | Michaelson Jennifer | M (A) | 30,000 | $4.3 | 192,844 | Form 4 |
| 2026-08-13 | Michaelson Jennifer | S (D) | 30,000 | $20.26 | 162,844 | Form 4 |
| 2026-07-06 | Michaelson Jennifer | S (D) | 8,000 | $17.82 | 162,844 | Form 4 |
| 2026-07-06 | Michaelson Jennifer | M (A) | 4,000 | $4.3 | 170,844 | Form 4 |
| 2026-06-30 | Fenton Mary Kay | A (A) | 1,541 | $8.6 | 127,921 | Form 4 |
| 2026-06-30 | Sumer Jacquelyn L | A (A) | 2,470 | $8.6 | 130,559 | Form 4 |
Transaction codes in this quarter
Get CGEM insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1789972&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · CGEM company page · Cullinan Therapeutics, Inc. on SEC.gov
Questions
Are insiders buying or selling Cullinan Therapeutics, Inc. (CGEM)?
In Q3 2026, insiders at Cullinan Therapeutics, Inc. reported 8 non-derivative transactions on 5 Forms 3, 4 and 5: 0 open-market purchases and 3 sales worth $923K. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Cullinan Therapeutics, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/cgem.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.