CGEM Cullinan Therapeutics, Inc.
Nasdaq · SEC CIK 1789972 · EDGAR
- Bought, last 12 months
- $13.33M 3 purchases by 2 insiders
- Sold, last 12 months
- $2.51M 24 sales by 5 insiders
- Filings on record
- 211 since 2021-08-11, latest 2026-09-10 09:22
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Lynx1 Capital Management LP | 10% | $11.93M | — |
| Michaelson Jennifer | CSO | — | $1.62M |
| Nichols Weston | 10% | $1.39M | — |
| AHMED NADIM | Pres, CEO, Dir | — | $518.0K |
| Jones Jeffrey Alan | Chief Medical Off | — | $178.9K |
| SUMER JACQUELYN L | CLO | — | $136.7K |
| Fenton Mary Kay | CFO | — | $59.9K |
Transactions 200
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-10 09:22 | 2026-09-08 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +4,000 | 166.8K | +2% | +$17.2K |
| DT | 2026-09-10 09:22 | 2026-09-08 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $21.57 | -8,000 | 158.8K | -5% | -$172.6K |
| DT | 2026-08-14 17:00 | 2026-08-13 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +30.0K | 192.8K | +18% | +$129.0K |
| DT | 2026-08-14 17:00 | 2026-08-13 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $20.26 | -30.0K | 162.8K | -16% | -$607.8K |
| DT | 2026-07-07 17:00 | 2026-07-06 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +4,000 | 170.8K | +2% | +$17.2K |
| DT | 2026-07-07 17:00 | 2026-07-06 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $17.82 | -8,000 | 162.8K | -5% | -$142.6K |
| 2026-07-02 17:00 | 2026-06-30 | CGEM | SUMER JACQUELYN L | CLO | A - Grant | $8.60 | +2,470 | 130.6K | +2% | +$21.2K | |
| 2026-07-02 17:00 | 2026-06-30 | CGEM | Fenton Mary Kay | CFO | A - Grant | $8.60 | +1,541 | 127.9K | +1% | +$13.3K | |
| DT | 2026-05-06 17:00 | 2026-05-05 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +4,000 | 174.8K | +2% | +$17.2K |
| DMT | 2026-05-06 17:00 | 2026-05-05 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $14.62 | -8,000 | 166.8K | -5% | -$117.0K |
| DT | 2026-03-09 | 2026-03-05 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +4,000 | 178.8K | +2% | +$17.2K |
| DT | 2026-03-09 | 2026-03-05 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $15.68 | -8,000 | 170.8K | -4% | -$125.4K |
| T | 2026-02-26 | 2026-02-25 | CGEM | Michaelson Jennifer | CSO | S - Sale | $14.14 | -1,780 | 174.8K | -1% | -$25.2K |
| 2026-02-25 | 2026-02-24 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $14.47 | -4,582 | 160.0K | -3% | -$66.3K | |
| 2026-02-25 | 2026-02-24 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $14.47 | -3,601 | 128.1K | -3% | -$52.1K | |
| 2026-02-25 | 2026-02-24 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $14.47 | -13.5K | 390.8K | -3% | -$195.6K | |
| MT | 2026-02-25 | 2026-02-23+ | CGEM | Michaelson Jennifer | CSO | S - Sale | $14.31 | -5,353 | 180.2K | -3% | -$76.6K |
| 2026-02-23 | 2026-02-20 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $13.62 | -4,982 | 164.6K | -3% | -$67.9K | |
| 2026-02-23 | 2026-02-20 | CGEM | Fenton Mary Kay | CFO | S - Sale | $13.62 | -4,398 | 126.4K | -3% | -$59.9K | |
| 2026-02-23 | 2026-02-20 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $13.62 | -3,742 | 131.7K | -3% | -$51.0K | |
| DMT | 2026-02-23 | 2026-02-20 | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $14.08 | -11.7K | 182.0K | -6% | -$165.4K |
| DT | 2026-02-23 | 2026-02-20 | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +8,000 | 190.0K | +4% | +$34.4K |
| 2026-02-23 | 2026-02-20 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $13.62 | -16.4K | 404.3K | -4% | -$223.1K | |
| D | 2026-02-19 | 2026-02-18 | CGEM | Michaelson Jennifer | CSO | A - Grant | $0.00 | +57.5K | 185.7K | +45% | $0 |
| D | 2026-02-19 | 2026-02-18 | CGEM | Fenton Mary Kay | CFO | A - Grant | $0.00 | +68.8K | 130.8K | +111% | $0 |
| 2026-02-13 | 2026-02-12 | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.03 | -416 | 128.2K | -0.3% | -$5,004 | |
| T | 2026-01-23 | 2026-01-22 | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.30 | -4,000 | 128.6K | -3% | -$49.2K |
| 2026-01-05 | 2025-12-31 | CGEM | Fenton Mary Kay | CFO | A - Grant | $6.49 | +27 | 62.0K | +0.0% | +$175.23 | |
| 2025-12-29 | 2025-12-23 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $10.01 | -9,922 | 420.7K | -2% | -$99.3K | |
| T | 2025-12-22 | 2025-12-19 | CGEM | Michaelson Jennifer | CSO | S - Sale | $10.01 | -1,345 | 132.6K | -1% | -$13.5K |
| 2025-12-19 | 2025-12-18 | CGEM | Michaelson Jennifer | CSO | S - Sale | $9.67 | -2,898 | 134.0K | -2% | -$28.0K | |
| 2025-12-19 | 2025-12-18 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $9.67 | -4,632 | 169.5K | -3% | -$44.8K | |
| 2025-12-19 | 2025-12-18 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $9.67 | -3,480 | 135.4K | -3% | -$33.7K | |
| MT | 2025-12-16 | 2025-12-12+ | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.23 | -3,143 | 137.9K | -2% | -$38.4K |
| T | 2025-11-25 | 2025-11-24 | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.30 | -4,000 | 138.0K | -3% | -$49.2K |
| I | 2025-10-30 | 2025-10-28 | CGEM | Nichols Weston | 10% | P - Purchase | $8.40 | +165.7K | 8.96M | +2% | +$1.39M |
| MI | 2025-10-21 | 2025-10-14+ | CGEM | Lynx1 Capital Management LP | 10% | P - Purchase | $8.46 | +248.7K | 8.56M | +3% | +$2.10M |
| MI | 2025-10-10 | 2025-10-08+ | CGEM | Lynx1 Capital Management LP | 10% | P - Purchase | $6.73 | +1.46M | 8.55M | +21% | +$9.83M |
| 2025-02-27 | 2025-02-25 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $8.53 | -3,756 | 136.9K | -3% | -$32.0K | |
| 2025-02-27 | 2025-02-25 | CGEM | Michaelson Jennifer | CSO | S - Sale | $8.53 | -3,756 | 142.0K | -3% | -$32.0K | |
| 2025-02-27 | 2025-02-25 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $8.53 | -4,895 | 174.2K | -3% | -$41.8K | |
| 2025-02-27 | 2025-02-25 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $8.53 | -12.5K | 430.6K | -3% | -$106.9K | |
| D | 2025-02-21 | 2025-02-19 | CGEM | SUMER JACQUELYN L | CLO | A - Grant | $0.00 | +50.0K | 140.7K | +55% | $0 |
| D | 2025-02-21 | 2025-02-19 | CGEM | Michaelson Jennifer | CSO | A - Grant | $0.00 | +50.0K | 145.8K | +52% | $0 |
| D | 2025-02-21 | 2025-02-19 | CGEM | Fenton Mary Kay | CFO | A - Grant | $0.00 | +60.0K | 60.0K | New | $0 |
| D | 2025-02-21 | 2025-02-19 | CGEM | Savill Corrine | Chief Business Off | A - Grant | $0.00 | +37.5K | 241.0K | +18% | $0 |
| D | 2025-02-21 | 2025-02-19 | CGEM | AHMED NADIM | Pres, CEO, Dir | A - Grant | $0.00 | +180.0K | 443.1K | +68% | $0 |
| D | 2025-02-21 | 2025-02-19 | CGEM | Jones Jeffrey Alan | Chief Medical Off | A - Grant | $0.00 | +65.0K | 179.1K | +57% | $0 |
| T | 2025-01-07 | 2025-01-06 | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.51 | -4,000 | 95.8K | -4% | -$50.0K |
| 2024-12-27 | 2024-12-24 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $11.87 | -8,400 | 263.1K | -3% | -$99.7K | |
| 2024-12-20 | 2024-12-18 | CGEM | Michaelson Jennifer | CSO | S - Sale | $11.41 | -4,693 | 99.8K | -4% | -$53.5K | |
| 2024-12-20 | 2024-12-18 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $11.41 | -4,632 | 114.1K | -4% | -$52.9K | |
| 2024-12-20 | 2024-12-18 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $11.41 | -3,482 | 90.7K | -4% | -$39.7K | |
| 2024-12-16 | 2024-12-12 | CGEM | Michaelson Jennifer | CSO | S - Sale | $12.52 | -3,489 | 104.5K | -3% | -$43.7K | |
| T | 2024-11-07 | 2024-11-05 | CGEM | Michaelson Jennifer | CSO | S - Sale | $15.64 | -8,000 | 107.9K | -7% | -$125.1K |
| T | 2024-09-09 | 2024-09-05 | CGEM | Michaelson Jennifer | CSO | S - Sale | $18.09 | -8,000 | 115.9K | -6% | -$144.7K |
| T | 2024-07-09 | 2024-07-05 | CGEM | Michaelson Jennifer | CSO | S - Sale | $16.33 | -8,000 | 123.9K | -6% | -$130.6K |
| 2024-07-02 | 2024-07-01 | CGEM | Michaelson Jennifer | CSO | A - Grant | $9.00 | +2,360 | 131.9K | +2% | +$21.2K | |
| D | 2024-06-11 | 2024-06-10 | CGEM | Ebeling Thomas | Dir | M - OptEx | $13.00 | +18.4K | 186.7K | +11% | +$239.8K |
| DM | 2024-05-23 | 2024-05-23 | CGEM | Ebeling Thomas | Dir | A - Grant | $5.68 | +100.7K | 168.2K | +149% | +$571.9K |
| DMT | 2024-05-08 | 2024-05-06+ | CGEM | Michaelson Jennifer | CSO | S - Sale+OE | $28.25 | -63.6K | 129.6K | -33% | -$1.80M |
| DMT | 2024-05-08 | 2024-05-06+ | CGEM | Michaelson Jennifer | CSO | M - OptEx | $4.30 | +55.6K | 187.6K | +42% | +$239.1K |
| D | 2024-02-23 | 2024-02-22 | CGEM | Michaelson Jennifer | CSO | A - Grant | $0.00 | +50.0K | 137.6K | +57% | $0 |
| D | 2024-02-23 | 2024-02-22 | CGEM | Trigilio Jeffrey | CFO | A - Grant | $0.00 | +50.0K | 133.9K | +60% | $0 |
| D | 2024-02-23 | 2024-02-22 | CGEM | Savill Corrine | Chief Business Off | A - Grant | $0.00 | +37.5K | 203.5K | +23% | $0 |
| D | 2024-02-23 | 2024-02-22 | CGEM | Jones Jeffrey Alan | Chief Medical Off | A - Grant | $0.00 | +62.5K | 118.7K | +111% | $0 |
| D | 2024-02-23 | 2024-02-22 | CGEM | SUMER JACQUELYN L | CLO | A - Grant | $0.00 | +50.0K | 94.1K | +113% | $0 |
| D | 2024-02-23 | 2024-02-22 | CGEM | AHMED NADIM | Pres, CEO, Dir | A - Grant | $0.00 | +160.0K | 271.6K | +143% | $0 |
| DT | 2024-02-02 | 2024-02-01 | CGEM | Savill Corrine | Chief Business Off | S - Sale+OE | $16.18 | -40.0K | 166.0K | -19% | -$647.2K |
| DT | 2024-02-02 | 2024-02-01 | CGEM | Savill Corrine | Chief Business Off | M - OptEx | $4.30 | +40.0K | 206.0K | +24% | +$172.0K |
| DT | 2024-01-30 | 2024-01-29 | CGEM | Savill Corrine | Chief Business Off | M - OptEx | $4.30 | +40.0K | 206.0K | +24% | +$172.0K |
| DT | 2024-01-30 | 2024-01-29 | CGEM | Savill Corrine | Chief Business Off | S - Sale+OE | $14.09 | -40.0K | 166.0K | -19% | -$563.6K |
| DMT | 2024-01-24 | 2024-01-22+ | CGEM | Savill Corrine | Chief Business Off | M - OptEx | $4.30 | +35.9K | 187.3K | +24% | +$154.3K |
| DMT | 2024-01-24 | 2024-01-22+ | CGEM | Savill Corrine | Chief Business Off | S - Sale+OE | $12.31 | -40.0K | 166.0K | -19% | -$492.5K |
| 2023-12-27 | 2023-12-26 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $9.24 | -4,272 | 111.5K | -4% | -$39.5K | |
| 2023-12-22 | 2023-12-21 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $8.50 | -1,920 | 83.9K | -2% | -$16.3K | |
| 2023-12-22 | 2023-12-21 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $8.50 | -1,400 | 44.1K | -3% | -$11.9K | |
| 2023-12-22 | 2023-12-21 | CGEM | Michaelson Jennifer | CSO | S - Sale | $8.50 | -1,145 | 87.6K | -1% | -$9,732 | |
| 2023-12-22 | 2023-12-21 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $8.50 | -1,860 | 56.2K | -3% | -$15.8K | |
| 2023-12-20 | 2023-12-18 | CGEM | Michaelson Jennifer | CSO | S - Sale | $8.22 | -238 | 88.7K | -0.3% | -$1,956 | |
| 2023-12-20 | 2023-12-18 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $8.22 | -398 | 85.8K | -0.5% | -$3,272 | |
| 2023-12-20 | 2023-12-18 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $8.22 | -386 | 58.1K | -0.7% | -$3,173 | |
| 2023-12-20 | 2023-12-18 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $8.22 | -290 | 45.5K | -0.6% | -$2,384 | |
| 2023-12-13 | 2023-12-12 | CGEM | Michaelson Jennifer | CSO | S - Sale | $7.81 | -1,068 | 89.0K | -1% | -$8,341 | |
| 2023-12-13 | 2023-12-12 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $7.81 | -1,926 | 86.2K | -2% | -$15.0K | |
| 2023-07-05 | 2023-06-30 | CGEM | Trigilio Jeffrey | CFO | A - Grant | $9.08 | +2,340 | 88.2K | +3% | +$21.2K | |
| 2023-06-29 | 2023-06-28 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $11.40 | -759 | 115.8K | -0.7% | -$8,653 | |
| 2023-06-21 | 2023-06-20 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $12.94 | -399 | 85.8K | -0.5% | -$5,163 | |
| 2023-06-21 | 2023-06-20 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $12.94 | -387 | 58.4K | -0.7% | -$5,008 | |
| 2023-06-21 | 2023-06-20 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $12.94 | -291 | 45.8K | -0.6% | -$3,766 | |
| 2023-06-21 | 2023-06-20 | CGEM | Michaelson Jennifer | Chief Development Off | S - Sale | $12.94 | -238 | 90.0K | -0.3% | -$3,080 | |
| 2023-06-14 | 2023-06-12 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $13.11 | -319 | 86.2K | -0.4% | -$4,182 | |
| 2023-06-14 | 2023-06-12 | CGEM | Michaelson Jennifer | Chief Development Off | S - Sale | $13.11 | -176 | 90.3K | -0.2% | -$2,307 | |
| DMT | 2023-06-08 | 2023-06-06+ | CGEM | Michaelson Jennifer | Chief Development Off | M - OptEx | $4.30 | +12.0K | 90.5K | +15% | +$51.6K |
| DMT | 2023-06-08 | 2023-06-06+ | CGEM | Michaelson Jennifer | Chief Development Off | S - Sale+OE | $12.31 | -12.0K | 90.4K | -12% | -$147.7K |
| 2023-05-24 | 2023-05-23 | CGEM | AHMED NADIM | Pres, CEO, Dir | S - Sale | $9.15 | -707 | 116.6K | -0.6% | -$6,469 | |
| 2023-05-19 | 2023-05-18 | CGEM | Jones Jeffrey Alan | Chief Medical Off | S - Sale | $8.76 | -394 | 58.8K | -0.7% | -$3,451 | |
| 2023-05-19 | 2023-05-18 | CGEM | Trigilio Jeffrey | CFO | S - Sale | $8.76 | -399 | 86.5K | -0.5% | -$3,495 | |
| 2023-05-19 | 2023-05-18 | CGEM | SUMER JACQUELYN L | CLO | S - Sale | $8.76 | -291 | 46.1K | -0.6% | -$2,549 | |
| 2023-05-19 | 2023-05-18 | CGEM | Michaelson Jennifer | Chief Development Off | S - Sale | $8.76 | -239 | 90.4K | -0.3% | -$2,094 |
Purchase Sale Sale after option exercise All abbreviations