Amount of liability

(in thousands)

Balance as of December 31, 2023 (includes $1.4 million presented as "Accrued expenses and other current liabilities)

$

395,678

Royalty payments to Purchaser

(1,437)

Liability owed to the Purchaser (presented as "Accrued expense and other current liabilities")

(1,205)

Interest expense for the period

12,362

Liability related to the royalty financing agreement

$

405,398