REVENUE
The Company’s sources of revenue are detailed in Note 2, Summary of Significant Accounting Policies. The Company does not consider revenue from sources other than sales of EXPAREL and ZILRETTA to be material sources of its consolidated revenue. As such, the following disclosure is limited to revenue associated with net product sales of EXPAREL and ZILRETTA.
Net Product Sales
The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers based on orders of the product placed by end-users, namely hospitals, ambulatory surgery centers and healthcare provider offices. EXPAREL is delivered directly to the end-user without the wholesaler ever taking physical possession of the product. The Company primarily sells ZILRETTA to specialty distributors and specialty pharmacies, who then subsequently resell ZILRETTA to physicians, clinics and certain medical centers or hospitals. The Company also contracts directly with healthcare providers and intermediaries such as GPOs. Product revenue is recognized when control of the promised goods are transferred to the customer, in an amount that reflects the consideration the Company expects to be entitled to in exchange for transferring those goods. EXPAREL and ZILRETTA revenue is recorded at the time the products are transferred to the customer.
Revenues from sales of products are recorded net of returns allowances, prompt payment discounts, service fees, government rebates, volume rebates and chargebacks. These reserves are based on estimates of the amounts earned or to be claimed on the related sales. These amounts are treated as variable consideration, estimated and recognized as a reduction of the transaction price at the time of the sale, using the most likely amount method, except for returns, which is based on the expected value method. The Company includes these estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized for such transaction will not occur, or when the uncertainty associated with the variable consideration is resolved.
Chargebacks for fees and discounts represent the estimated obligations resulting from contractual commitments to sell products to Department of Veteran Affairs hospitals, participating GPO members, 340B qualified entities and other contracted customers at prices lower than the list price. The 340B Drug Discount Program is a U.S. federal government program that requires participating drug manufacturers to provide outpatient drugs to eligible health care organizations and covered entities at reduced prices. Customers claim the difference between the amount invoiced and the discounted selling price through a chargeback issued by a wholesaler. Reserves are established in the same period that the related revenue is recognized, resulting in a reduction of product revenue and trade receivables, net. Chargeback amounts are determined at the time of sale and the Company generally issues credits for such amounts within weeks of receiving notification from a wholesaler. Reserves for chargebacks consist of anticipated credits the Company expects to issue based on expected units sold and chargebacks that customers have claimed for which credits have not yet been issued.
The calculation for some of these items requires management to make estimates based on sales data, historical return data, contracts, statutory requirements and other related information that may become known in the future. The adequacy of these provisions is reviewed on a quarterly basis.
The following table provides a summary of activity with respect to the Company’s sales related allowances and accruals related to EXPAREL and ZILRETTA for the years ended December 31, 2025, 2024 and 2023 (in thousands):
Returns AllowancesPrompt Payment DiscountsService
Fees
Volume Rebates and ChargebacksGovernment RebatesTotal
Balance at December 31, 2022$1,691 $1,187 $3,193 $5,452 $786 $12,309 
Provision1,335 11,970 18,129 92,009 2,176 125,619 
Payments(1,158)(11,849)(17,625)(91,591)(1,787)(124,010)
Balance at December 31, 20231,868 1,308 3,697 5,870 1,175 13,918 
Provision2,260 12,697 21,022 115,087 2,155 153,221 
Payments(2,528)(12,697)(19,844)(116,094)(1,623)(152,786)
Balance at December 31, 20241,600 1,308 4,875 4,863 1,707 14,353 
Provision1,293 14,367 24,947 164,098 3,710 208,415 
Payments(734)(14,101)(24,801)(162,567)(3,698)(205,901)
Balance at December 31, 2025$2,159 $1,574 $5,021 $6,394 $1,719 $16,867 
Accounts Receivable
The majority of accounts receivable arise from product sales and represent amounts due from wholesalers, hospitals, ambulatory surgery centers, specialty distributors, specialty pharmacies and individual physicians. Payment terms generally range from zero to four months from the date of the transaction, and accordingly, there is no significant financing component.
Performance Obligations
A performance obligation is a promise in a contract to transfer a distinct good or service to the customer and is the unit of account in Accounting Standards Codification, or ASC, 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied.
At contract inception, the Company assesses the goods promised in its contracts with customers and identifies a performance obligation for each promise to transfer to the customer a good that is distinct. When identifying individual performance obligations, the Company considers all goods promised in the contract regardless of whether explicitly stated in the customer contract or implied by customary business practices. The Company’s contracts with customers require it to transfer an individual distinct product, which represents a single performance obligation. The Company’s performance obligation with respect to its product sales is satisfied at a point in time, which transfers control upon delivery of EXPAREL and ZILRETTA to its customers. The Company considers control to have transferred upon delivery because the customer has legal title to the asset, physical possession of the asset has been transferred, the customer has significant risks and rewards of ownership of the asset and the Company has a present right to payment at that time.
Disaggregated Revenue
The following table represents disaggregated net product sales in the periods presented as follows (in thousands):
Year Ended December 31,
202520242023
Net product sales:
EXPAREL$575,130 $548,962 $538,120 
ZILRETTA116,633 118,089 111,098 
iovera°24,178 22,813 19,685 
Bupivacaine liposome injectable suspension6,913 7,322 3,342 
Total net product sales$722,854 $697,186 $672,245 

Historical Timeline

Fiscal YearFiled
2025Feb 26, 2026Showing above
2024Feb 27, 2025
2023Feb 29, 2024
2022Feb 28, 2023
2021Feb 28, 2022
2020Mar 1, 2021
2019Feb 21, 2020
2018Feb 28, 2019

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.