XOMA Corporation Annual report pursuant to Section 13 and 15(d)

Royalty and Commercial Payment Purchase Agreements (Tables)

12 Months Ended

Dec. 31, 2022

The following table summarizes the royalty receivable activities during the years ended December 31, 2022 and 2021 (in thousands):


	Short-Term		Long-Term
Balance at January 1, 2021	$	—	$	34,575
Acquisition of royalty and commercial payment rights:
Viracta		—		13,500
Kuros		—		7,000
Affitech		—		14,000
Balance at December 31, 2021	$	—	$	69,075
Receipt of royalty and commercial payments
Kuros		—		(2,500)
Affitech		—		(526)
Reclassification to short-term royalty and commercial payment receivable
Affitech		2,366		(2,366)
Balance at December 31, 2022	$	2,366	$	63,683