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Accrued expenses and other current liabilities

12 Months Ended

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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The entire disclosure for accrued expenses and other liabilities that are classified as current at the end of the reporting period.

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