ACCRUED EXPENSES

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

ACCRUED EXPENSES

9. ACCRUED EXPENSES

The following table summarizes the Company’s accrued expenses for each of the periods indicated:

	As of March 31, 2022		As of December 31, 2021
	(in thousands)
Accrued contract manufacturing costs	$	138,179	$	104,311
Product revenue related reserves		68,973		62,145
Accrued clinical and pre-clinical costs		34,554		25,955
Accrued employee compensation costs		19,177		48,299
Accrued royalties		12,980		11,965
Accrued professional fees		10,644		9,381
Accrued interest expense		3,182		1,045
Accrued collaboration cost sharing		2,263		2,887
Other		3,956		5,709
Total accrued expenses	$	293,908	$	271,697