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Equity-Based Compensation | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Equity-Based Compensation | (7) Equity-Based Compensation Cullinan recorded equity-based compensation in the following expense categories in the consolidated statements of operations and comprehensive income (loss) for the three and six months ended June 30, 2026 and 2025 (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2026 |  |  | 2025 |  |  | 2026 |  |  | 2025 |
General and administrative |  | $ | 4,142 |  |  | $ | 5,721 |  |  | $ | 7,799 |  |  | $ | 11,166 |
Research and development |  |  | 4,305 |  |  |  | 4,166 |  |  |  | 8,264 |  |  |  | 8,095 |
Total equity-based compensation |  | $ | 8,447 |  |  | $ | 9,887 |  |  | $ | 16,063 |  |  | $ | 19,261 |

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