InsiderTrades

Michaelson Jennifer

SEC CIK 1838061 · EDGAR

Buying vs selling by month open-market trades, last 60 months, CGEM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CGEMCullinan Therapeutics, Inc.See Remarks 166.8K — $4.82M 642021-08-182026-09-08

Most active insiders at CGEM, 12 months

#InsiderTitleBoughtSold
1 Lynx1 Capital Management LP10% $11.93M—
2 Michaelson JenniferCSO —$1.62M
3 Nichols Weston10% $1.39M—
4 AHMED NADIMPres, CEO, Dir —$518.0K
5 Jones Jeffrey AlanChief Medical Off —$178.9K
6 SUMER JACQUELYN LCLO —$136.7K
7 Fenton Mary KayCFO —$59.9K

Transactions 64

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-09-10 09:22 2026-09-08 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +4,000 166.8K +2% +$17.2K
DT 2026-09-10 09:22 2026-09-08 CGEM Cullinan Therapeutics, Inc. 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 Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +30.0K 192.8K +18% +$129.0K
DT 2026-08-14 17:00 2026-08-13 CGEM Cullinan Therapeutics, Inc. 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 Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +4,000 170.8K +2% +$17.2K
DT 2026-07-07 17:00 2026-07-06 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale+OE $17.82 -8,000 162.8K -5% -$142.6K
DT 2026-05-06 17:00 2026-05-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +4,000 174.8K +2% +$17.2K
DMT 2026-05-06 17:00 2026-05-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale+OE $14.62 -8,000 166.8K -5% -$117.0K
DT 2026-03-09 2026-03-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +4,000 178.8K +2% +$17.2K
DT 2026-03-09 2026-03-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale+OE $15.68 -8,000 170.8K -4% -$125.4K
T 2026-02-26 2026-02-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $14.14 -1,780 174.8K -1% -$25.2K
MT 2026-02-25 2026-02-23+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $14.31 -5,353 180.2K -3% -$76.6K
DMT 2026-02-23 2026-02-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale+OE $14.08 -11.7K 182.0K -6% -$165.4K
DT 2026-02-23 2026-02-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +8,000 190.0K +4% +$34.4K
D 2026-02-19 2026-02-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO A - Grant $0.00 +57.5K 185.7K +45% $0
2026-02-13 2026-02-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.03 -416 128.2K -0.3% -$5,004
T 2026-01-23 2026-01-22 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.30 -4,000 128.6K -3% -$49.2K
T 2025-12-22 2025-12-19 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $10.01 -1,345 132.6K -1% -$13.5K
2025-12-19 2025-12-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $9.67 -2,898 134.0K -2% -$28.0K
MT 2025-12-16 2025-12-12+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.23 -3,143 137.9K -2% -$38.4K
T 2025-11-25 2025-11-24 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.30 -4,000 138.0K -3% -$49.2K
2025-02-27 2025-02-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $8.53 -3,756 142.0K -3% -$32.0K
D 2025-02-21 2025-02-19 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO A - Grant $0.00 +50.0K 145.8K +52% $0
T 2025-01-07 2025-01-06 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.51 -4,000 95.8K -4% -$50.0K
2024-12-20 2024-12-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $11.41 -4,693 99.8K -4% -$53.5K
2024-12-16 2024-12-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $12.52 -3,489 104.5K -3% -$43.7K
T 2024-11-07 2024-11-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $15.64 -8,000 107.9K -7% -$125.1K
T 2024-09-09 2024-09-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $18.09 -8,000 115.9K -6% -$144.7K
T 2024-07-09 2024-07-05 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $16.33 -8,000 123.9K -6% -$130.6K
2024-07-02 2024-07-01 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO A - Grant $9.00 +2,360 131.9K +2% +$21.2K
DMT 2024-05-08 2024-05-06+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale+OE $28.25 -63.6K 129.6K -33% -$1.80M
DMT 2024-05-08 2024-05-06+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO M - OptEx $4.30 +55.6K 187.6K +42% +$239.1K
D 2024-02-23 2024-02-22 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO A - Grant $0.00 +50.0K 137.6K +57% $0
2023-12-22 2023-12-21 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $8.50 -1,145 87.6K -1% -$9,732
2023-12-20 2023-12-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $8.22 -238 88.7K -0.3% -$1,956
2023-12-13 2023-12-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer CSO S - Sale $7.81 -1,068 89.0K -1% -$8,341
2023-06-21 2023-06-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $12.94 -238 90.0K -0.3% -$3,080
2023-06-14 2023-06-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $13.11 -176 90.3K -0.2% -$2,307
DMT 2023-06-08 2023-06-06+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off M - OptEx $4.30 +12.0K 90.5K +15% +$51.6K
DMT 2023-06-08 2023-06-06+ CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale+OE $12.31 -12.0K 90.4K -12% -$147.7K
2023-05-19 2023-05-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $8.76 -239 90.4K -0.3% -$2,094
2023-05-16 2023-05-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $8.78 -193 90.7K -0.2% -$1,695
2023-04-20 2023-04-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $10.71 -238 90.9K -0.3% -$2,549
2023-04-14 2023-04-12 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $10.22 -176 91.1K -0.2% -$1,799
2023-03-27 2023-03-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale $11.32 -238 91.3K -0.3% -$2,694
D 2023-02-21 2023-02-17 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off A - Grant $0.00 +38.5K 91.5K +73% $0
D 2022-11-29 2022-11-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 57.0K +8% +$17.2K
D 2022-11-29 2022-11-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $13.30 -4,000 53.0K -7% -$53.2K
D 2022-09-29 2022-09-27 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 57.0K +8% +$17.2K
D 2022-09-29 2022-09-27 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $12.40 -4,000 53.0K -7% -$49.6K
D 2022-08-09 2022-08-08 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale+OE $15.01 -1,385 53.0K -3% -$20.8K
D 2022-08-09 2022-08-08 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off M - OptEx $4.30 +1,385 54.4K +3% +$5,956
D 2022-07-26 2022-07-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off M - OptEx $4.30 +8,000 61.0K +15% +$34.4K
D 2022-07-26 2022-07-25 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off S - Sale+OE $14.51 -8,000 53.0K -13% -$116.1K
2022-07-05 2022-06-30 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off A - Grant $10.90 +1,620 53.0K +3% +$17.7K
D 2022-02-15 2022-02-11 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer Chief Development Off A - Grant $0.00 +28.5K 51.4K +124% $0
DM 2021-10-20 2021-10-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $21.42 -4,000 23.5K -15% -$85.7K
D 2021-10-20 2021-10-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 26.9K +17% +$17.2K
DM 2021-09-21 2021-09-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $24.51 -4,000 23.7K -14% -$98.0K
D 2021-09-21 2021-09-20 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 26.9K +17% +$17.2K
DA 2021-08-26 2021-08-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 26.9K +17% +$17.2K
DMA 2021-08-26 2021-08-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $27.66 -4,000 24.0K -14% -$110.6K
DM 2021-08-24 2021-08-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks S - Sale+OE $27.66 -4,000 22.9K -15% -$110.6K
D 2021-08-24 2021-08-18 CGEM Cullinan Therapeutics, Inc. Michaelson Jennifer See Remarks M - OptEx $4.30 +4,000 26.9K +17% +$17.2K

Purchase Sale Sale after option exercise All abbreviations