The following table summarizes the Royalty Liability activity for the nine months ended September 30, 2025:


In Thousands	Royalty Liability - Related Parties



Balance as of December 31, 2024	$	199,442

Interest expense recognized	26,075
Balance as of September 30, 2025	$	225,517

The following table summarizes the Royalty Liability activity for the nine months ended September 30, 2024:


In Thousands	Royalty Liability - Related Parties
Balance as of December 31, 2023	$	165,252
Interest expense recognized	25,953
Balance as of September 30, 2024	$	191,205