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Accrued expenses and other current liabilities | 12 Months Ended
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Dec. 31, 2024
Accrued expenses and other current liabilities |
Accrued expenses and other current liabilities | 5. Accrued expenses and other current liabilities Accrued expenses and other current liabilities consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2024 |  | 2023
Accrued employee compensation and benefits | ​ | $ | 16,272 | ​ | $ | 13,394
Accrued external research and development expenses | ​ |  | 14,978 | ​ |  | 11,839
Accrued professional fees | ​ |  | 4,196 | ​ |  | 1,143
Current portion of operating lease liabilities | ​ |  | 5,328 | ​ |  | 4,876
Current portion of finance lease liabilities | ​ | ​ | 175 | ​ | ​ | —
Other | ​ |  | 297 | ​ |  | 257
​ | ​ | $ | 41,246 | ​ | $ | 31,509
​ In August 2024, the Company consolidated all discovery research activities to the Company’s headquarters in Cambridge, U.K. As a result, during the year ended December 31, 2024, the Company recognized charges of $2.0 million in severance and other one-time termination benefits which are included in research and development expenses in the Company’s consolidated statements of operations and comprehensive loss, of which $1.6 million were paid during the year ended December 31, 2024, and the remaining $0.4 million in unpaid benefits are included in accrued expenses and other current liabilities in the Company’s consolidated balance sheet as of December 31, 2024.

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- Definition The entire disclosure for accrued expenses and other liabilities that are classified as current at the end of the reporting period. + References No definition available. + Details
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