Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2026

Related Party Transactions [Abstract]

Schedule of Expenses Related to Related Party Which are Settled in Cash

The following is the summary of expenses related to the License Agreements and other Paragon reimbursable expenses, which are ultimately settled in cash (in millions) and recorded within Research and development in the consolidated statement of operations for the periods presented:

	Three Months Ended March 31,
	2026		2025
License Agreements milestone and sublicensing fees	$	3.0	$	2.5
Other Paragon reimbursable expenses	0.1		—
Total related party expense (excludes stock-based compensation)	$	3.1	$	2.5

Schedule of Related Party Accounts Payable and Other Current Liabilities

The following is the summary of Related party accounts payable and other current liabilities (in millions):

	March 31, 2026		December 31, 2025
Other Paragon reimbursable expenses	$	0.1	$	—
Total related party accounts payable	$	0.1	$	—