Jennifer Michaelson, Chief Scientific Officer at Cullinan Therapeutics ($CGEM), sold shares on the open market 13 times over the past year for a total of $576 thousand. Her latest sale occurred on March 5, 2026. These transactions rank her 6,152nd among 11,678 insiders by sale value, trailing the average of $8.6 million per insider and 6.4 sales but with no open market purchases recorded.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Stock Option (Right to Buy) | 4000 | $0.00 | 120,987.0000 | 59,076,259 | 3.20% | 0.01% |
| March 5, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Common Stock | 4000 | $4.30 | 178,844.0000 | 59,076,259 | 2.29% | 0.01% |
| March 5, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 8000 | $15.68 | 170,844.0000 | 59,076,259 | 4.47% | 0.01% |
| Feb. 25, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 1780 | $14.14 | 174,844.0000 | 59,076,259 | 1.01% | 0.00% |
| Feb. 23, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 1752 | $13.99 | 180,225.0000 | 59,076,259 | 0.96% | 0.00% |
| Feb. 24, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 3601 | $14.47 | 176,624.0000 | 59,076,259 | 2.00% | 0.01% |
| Feb. 20, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 8000 | $14.30 | 181,977.0000 | 59,076,259 | 4.21% | 0.01% |
| Feb. 20, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 3742 | $13.62 | 181,977.0000 | 59,076,259 | 2.01% | 0.01% |
| Feb. 20, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Stock Option (Right to Buy) | 8000 | $0.00 | 124,987.0000 | 59,076,259 | 6.02% | 0.01% |
| Feb. 20, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Common Stock | 8000 | $4.30 | 189,977.0000 | 59,076,259 | 4.40% | 0.01% |
| Feb. 18, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Stock Option (Right to Buy) | 115000 | $0.00 | 115,000.0000 | 59,076,259 | 9999.99% | 0.19% |
| Feb. 18, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Common Stock | 57500 | $0.00 | 185,719.0000 | 59,076,259 | 44.85% | 0.10% |
| Feb. 12, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 416 | $12.03 | 128,219.0000 | 59,076,259 | 0.32% | 0.00% |
| Jan. 22, 2026 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 4000 | $12.30 | 128,635.0000 | 59,076,259 | 3.02% | 0.01% |
| Dec. 19, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 1345 | $10.01 | 132,635.0000 | 59,076,259 | 1.00% | 0.00% |
| Dec. 18, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 2898 | $9.67 | 133,980.0000 | 59,076,259 | 2.12% | 0.00% |
| Dec. 15, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 995 | $11.90 | 136,878.0000 | 59,076,259 | 0.72% | 0.00% |
| Dec. 12, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 2148 | $12.38 | 137,873.0000 | 59,076,259 | 1.53% | 0.00% |
| Nov. 24, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 4000 | $12.30 | 138,004.0000 | 59,076,259 | 2.82% | 0.01% |
| Feb. 25, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 3756 | $8.53 | 142,004.0000 | 58,510,610 | 2.58% | 0.01% |
| Feb. 19, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 58,510,610 | 9999.99% | 0.17% |
| Feb. 19, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Common Stock | 50000 | $0.00 | 145,760.0000 | 58,510,610 | 52.21% | 0.09% |
| Jan. 6, 2025 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 4000 | $12.51 | 95,760.0000 | 58,510,610 | 4.01% | 0.01% |
| Dec. 18, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 4693 | $11.41 | 99,760.0000 | 42,900,083 | 4.49% | 0.01% |
| Dec. 12, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 3489 | $12.52 | 104,453.0000 | 42,900,083 | 3.23% | 0.01% |
| Nov. 5, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 8000 | $15.64 | 107,942.0000 | 42,900,083 | 6.90% | 0.02% |
| Sept. 5, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 8000 | $18.09 | 115,942.0000 | 42,900,083 | 6.45% | 0.02% |
| July 5, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 8000 | $16.33 | 123,942.0000 | 42,900,083 | 6.06% | 0.02% |
| July 1, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Common Stock | 2360 | $9.00 | 131,942.0000 | 42,900,083 | 1.82% | 0.01% |
| May 6, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 37723 | $27.82 | 149,859.0000 | 42,900,083 | 20.11% | 0.09% |
| May 6, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 20277 | $28.54 | 129,582.0000 | 42,900,083 | 13.53% | 0.05% |
| May 7, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Common Stock | 5606 | $4.30 | 135,188.0000 | 42,900,083 | 4.33% | 0.01% |
| May 7, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 5606 | $30.06 | 129,582.0000 | 42,900,083 | 4.15% | 0.01% |
| May 7, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Stock Option (Right to Buy) | 5606 | $0.00 | 132,987.0000 | 42,900,083 | 4.04% | 0.01% |
| May 6, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Stock Option (Right to Buy) | 50000 | $0.00 | 138,593.0000 | 42,900,083 | 26.51% | 0.12% |
| May 6, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | M | Common Stock | 50000 | $4.30 | 187,582.0000 | 42,900,083 | 36.34% | 0.12% |
| Feb. 22, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 42,900,083 | 9999.99% | 0.23% |
| Feb. 22, 2024 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | A | Common Stock | 50000 | $0.00 | 137,582.0000 | 42,900,083 | 57.09% | 0.12% |
| Dec. 21, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 1145 | $8.50 | 87,582.0000 | 0 | 1.29% | 0.00% |
| Dec. 18, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 238 | $8.22 | 88,727.0000 | 0 | 0.27% | 0.00% |
| Dec. 12, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Scientific Officer | S | Common Stock | 1068 | $7.81 | 88,965.0000 | 0 | 1.19% | 0.00% |
| June 20, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 238 | $12.94 | 90,033.0000 | 0 | 0.26% | 0.00% |
| June 12, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 176 | $13.11 | 90,271.0000 | 0 | 0.19% | 0.00% |
| June 6, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | M | Common Stock | 11900 | $4.30 | 102,347.0000 | 0 | 13.16% | 0.00% |
| June 6, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 11900 | $12.31 | 90,447.0000 | 0 | 11.63% | 0.00% |
| June 7, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | M | Common Stock | 100 | $4.30 | 90,547.0000 | 0 | 0.11% | 0.00% |
| June 7, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | M | Stock Option (Right to Buy) | 100 | $0.00 | 188,593.0000 | 0 | 0.05% | 0.00% |
| June 6, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | M | Stock Option (Right to Buy) | 11900 | $0.00 | 188,693.0000 | 0 | 5.93% | 0.00% |
| June 7, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 100 | $12.40 | 90,447.0000 | 0 | 0.11% | 0.00% |
| May 18, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 239 | $8.76 | 90,447.0000 | 0 | 0.26% | 0.00% |
| May 12, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 193 | $8.78 | 90,686.0000 | 0 | 0.21% | 0.00% |
| April 18, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 238 | $10.71 | 90,879.0000 | 0 | 0.26% | 0.00% |
| April 12, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 176 | $10.22 | 91,117.0000 | 0 | 0.19% | 0.00% |
| March 20, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | S | Common Stock | 238 | $11.32 | 91,293.0000 | 0 | 0.26% | 0.00% |
| Feb. 17, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | A | Stock Option (Right to Buy) | 77000 | $0.00 | 77,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 17, 2023 | Cullinan Therapeutics, Inc. | $CGEM | Michaelson Jennifer | Chief Development Officer | A | Common Stock | 38500 | $0.00 | 91,531.0000 | 0 | 72.60% | 0.00% |