v3.25.4
Schedule II Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2025
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts
Schedule II
Valuation and Qualifying Accounts
(In thousands)
Balance at
beginning
of period		Additions charged to costs and expensesOther AdditionsDeductionsBalance at
end of
period
For the year ended December 31, 2025
Allowance for doubtful accounts(1)$6,223 $538 $— $(5,651)$1,110 
Allowance for sales discounts(1)14,043 5,178 — (17,266)1,955 
Allowance for chargebacks(1)12,425 233,316 — (231,512)14,229 
Deferred tax asset valuation allowance(2)(3)509,190 26,505 217,708 (223,729)529,674 
For the year ended December 31, 2024
Allowance for doubtful accounts(1)$242 $5,981 $— $— $6,223 
Allowance for sales discounts(1)5,962 24,334 — (16,253)14,043 
Allowance for chargebacks(1)14,932 212,389 — (214,896)12,425 
Deferred tax asset valuation allowance(2)(3)312,340 205,894 — (9,044)509,190 
For the year ended December 31, 2023
Allowance for doubtful accounts(1)$242 $— $— $— $242 
Allowance for sales discounts(1)2,980 22,334 — (19,352)5,962 
Allowance for chargebacks(1)14,621 185,886 — (185,575)14,932 
Deferred tax asset valuation allowance(2)(3)234,732 76,670 1,368 (430)312,340 
 __________________________
(1)Shown as a reduction of accounts receivable. Charges related to sales discounts and chargebacks are reflected as a reduction of revenue.
(2)Additions to the deferred tax asset valuation allowance charged to costs and expenses relate to movements on certain Irish, U.S. (federal and state) and other foreign deferred tax assets where we continue to maintain a valuation allowance until sufficient positive evidence exists to support reversal. Other additions in 2025 include recognition of a valuation allowance against deferred tax assets acquired through the Chimerix Acquisition, and currency translation adjustments.
(3)Deductions from the deferred tax asset valuation allowance in 2025 include the release of the valuation allowance recorded against the deferred tax assets acquired through the Chimerix Acquisition. Deductions from the deferred tax asset valuation allowance also include movements relating to utilization of NOLs and tax credit and other carryforwards, other releases of valuation allowances and other movements including adjustments following finalization of tax returns and currency translation adjustments.