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FINANCIAL INSTRUMENTS | 6 Months Ended
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Jun. 30, 2026
Fair Value Disclosures [Abstract] |
FINANCIAL INSTRUMENTS | FINANCIAL INSTRUMENTS Fair Value Measurements Fair value is defined as the price that would be received to sell an asset or be paid to transfer a liability in the principal or most advantageous market in an orderly transaction. To increase consistency and comparability in fair value measurements, the FASB established a three-level hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels of fair value measurements are: •Level 1: Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs. •Level 2: Observable prices that are based on inputs not quoted on active markets, but corroborated by market data. •Level 3: Unobservable inputs that are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs. The carrying value of financial instruments including cash and cash equivalents, accounts receivable and accounts payable approximate their respective fair values due to the short-term nature of these items. The Revolving Credit Facility reprices within a maximum of three months due to its variable interest rate terms. The fair value of the Company’s Revolving Credit Facility approximates carrying value (Level 2) due to its repricing feature. The fair value of the Company’s convertible senior notes are calculated utilizing market quotations from an over-the-counter trading market for these notes (Level 2). The fair value of the Company’s acquisition-related contingent consideration is reported at fair value on a recurring basis (Level 3). The carrying amount of equity investments and convertible notes receivable without readily determinable fair values included in investments and other assets on the consolidated balance sheet are recorded at cost minus impairment, if any, plus or minus observable price changes of identical or similar investments. At June 30, 2026, the carrying values and fair values of the Company’s financial assets and liabilities were as follows (in thousands):
|  | Carrying Value |  | Fair Value Measurements Using
|  |  | Level 1 |  | Level 2 |  | Level 3
Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis: |  |  |  |  |  |  |  |
Financial Assets: |  |  |  |  |  |  |  |
Equity investments |  | $ | 7,750 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,750 |
Convertible notes receivable |  | $ | 2,500 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,500 |
Financial Liabilities: |  |  |  |  |  |  |  |
Acquisition-related contingent consideration |  | $ | 17,452 |  |  | $ | — |  |  | $ | — |  |  | $ | 17,452 |
Financial Liabilities Measured at Amortized Cost: |  |  |  |  |  |  |  |
2.125% convertible senior notes due 2029 (1) |  | $ | 282,124 |  |  | $ | — |  |  | $ | 287,322 |  |  | $ | — |
Revolving Credit Facility |  | $ | 81,000 |  |  | $ | — |  |  | $ | 81,000 |  |  | $ | — |
(1) The closing price of the Company’s common stock as reported on the Nasdaq Global Select Market was $25.37 per share on June 30, 2026, compared to a conversion price of $39.56 per share. At June 30, 2026, as the conversion price was above the stock price, the requirements for conversion have not been met. Certain assets and liabilities are measured at fair value on a non-recurring basis, including assets and liabilities acquired in a business combination and long-lived assets, which would be recognized at fair value if deemed impaired. The fair value in these instances would be determined using Level 3 inputs. Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Equity and Convertible Note Investments The Company holds strategic investments in clinical and preclinical stage privately-held biotechnology companies in the form of equity and convertible note investments. For the equity investments as of June 30, 2026, there have not been any impairments or upward adjustments. The following investments have no readily determinable fair value and are recorded at cost minus impairment, if any, plus or minus observable price changes of identical or similar investments (in thousands):
|  | Equity Investments |  | Convertible Notes Receivable |  | Total
Balance at December 31, 2024 |  | $ | 15,877 |  |  | $ | 11,898 |  |  | $ | 27,775 |
Purchases |  | — |  |  | 1,250 |  |  | 1,250 |
Impairments |  | (4,000) |  |  | (7,000) |  |  | (11,000) |
Realized gain of prior investments (1) |  | 4,189 |  |  | 1,674 |  |  | 5,863 |
Settled investments (1) |  | (8,277) |  |  | (5,322) |  |  | (13,599) |
Foreign currency adjustments |  | (39) |  |  | — |  |  | (39) |
Balance at December 31, 2025 |  | 7,750 |  |  | 2,500 |  |  | 10,250 |
— No activity for the six months ended June 30, 2026 — |  | — |  |  | — |  |  | — |
Balance at June 30, 2026 |  | $ | 7,750 |  |  | $ | 2,500 |  |  | $ | 10,250 |
(1) In conjunction with the GQ Bio Acquisition, the settlement of the Company’s prior equity investment and notes receivable were part of the fair value of consideration exchanged. Upon acquiring the remaining 81% ownership interest in GQ Bio, the Company remeasured its previously held equity interest to its acquisition-date fair value. The $4.2 million gain resulting from the equity investment was recognized as other, net within the condensed consolidated statement of operations. In settling the notes receivable, the Company recognized $1.7 million in interest income. These gains were included in the condensed consolidated statement of cash flows for the six months ended June 30, 2025 within other net gains. During the year ended December 31, 2025, an impairment of an equity investment and convertible note receivable totaling $11.0 million was recorded in other, net in the condensed consolidated statements of operations. In June 2025, the Company invested $1.3 million in a convertible note receivable related to one of its existing early-stage strategic investments. Acquisition-Related Contingent Consideration The Company has recognized a contingent consideration liability related to the Flexion Acquisition in the amount of $17.5 million and $18.1 million as of June 30, 2026 and December 31, 2025, respectively. The Company’s contingent consideration obligations are recorded at their estimated fair values and are revalued each reporting period if and until the related contingencies are resolved. The Company has measured the fair value of its contingent consideration using a Monte Carlo simulation. These inputs include, as applicable, estimated forecasts of revenue and costs and the discount rates used to calculate the present value of estimated future payments. Significant changes may increase or decrease the probabilities of achieving the related commercial and regulatory events, shorten or lengthen the time required to achieve such events, or increase or decrease estimated forecasts. In November 2021, the Company completed the Flexion Acquisition, which provided for contingent consideration related to contingent value rights that were issued to Flexion shareholders and certain equity award holders which could aggregate up to a total of $372.3 million if certain regulatory and commercial milestones are met. The aggregate amount was initially $425.5 million prior to the Company’s September 2022 decision to formally discontinue further development of Flexion’s investigational product candidate, PCRX-301. The Company’s obligation to make milestone payments is limited to those milestones achieved through December 31, 2030, and are to be paid within 60 days of the end of the fiscal quarter of achievement. During the three months ended June 30, 2026, the Company recognized contingent consideration charges of $1.7 million due to revisions to the latest discount rates. During the six months ended June 30, 2026, the Company recognized contingent consideration gains of $0.6 million due to a reduction in its sales forecast through the milestone expiration date of December 31, 2030, partially offset by revisions to the latest discount rates. During the three and six months ended June 30, 2025, the Company recognized contingent consideration gains of $0.4 million and $3.0 million, respectively, due to revisions to the latest discount rates. These adjustments were recorded within other operating expenses, net in the condensed consolidated statements of operations. At June 30, 2026, the weighted average discount rate was 7.8%. The following table includes the key assumptions used in the valuation of the Company’s contingent consideration:
Assumption |  | Ranges Utilized as of June 30, 2026
Discount rates |  | 7.6% to 8.1%
Probability of payment for remaining regulatory milestones |  | 0%
The change in the Company’s contingent consideration recorded at fair value using Level 3 measurements is as follows (in thousands):
|  | Contingent Consideration Fair Value
Balance at December 31, 2024 |  | $ | 20,241 |
Fair value adjustments and accretion |  | (2,175) |
Balance at December 31, 2025 |  | 18,066 |
Fair value adjustments and accretion |  | (614) |
Balance at June 30, 2026 |  | $ | 17,452 |
Available-for-Sale Investments Short-term investments consist of asset-backed securities collateralized by credit card receivables, investment grade commercial paper and corporate, federal agency, government and Yankee bonds with maturities greater than three months, but less than one year. Net unrealized gains and losses (excluding credit losses, if any) from the Company’s short-term investments are reported in other comprehensive income (loss). At June 30, 2026 and December 31, 2025, all of the Company’s short-term investments are classified as available-for-sale investments and are determined to be Level 2 instruments which are measured at fair value using standard industry models with observable inputs, with the exception of U.S. government bonds. The fair value of the commercial paper is measured based on a standard industry model that uses the three-month U.S. Treasury bill rate as an observable input. The fair value of the asset-backed securities and corporate bonds is principally measured or corroborated by trade data for identical issues in which related trading activity is not sufficiently frequent to be considered a Level 1 input or that of comparable securities. The fair value of U.S. government bonds is based on level 1 trading activity. At the time of purchase, all available-for-sale investments had an “A” or better rating by Standard & Poor’s. The following summarizes the Company’s available-for-sale investments at June 30, 2026 and December 31, 2025 (in thousands):
June 30, 2026 Investments |  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  |  |  | Fair Value (Level 2)
Current: |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 27,158 |  |  | $ | — |  |  | $ | (24) |  |  |  |  | $ | 27,134 |
Corporate bonds |  | 18,027 |  |  | — |  |  | (5) |  |  |  |  | 18,022 |
Total |  | $ | 45,185 |  |  | $ | — |  |  | $ | (29) |  |  |  |  | $ | 45,156 |
December 31, 2025 Investments |  | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  |  |  | Fair Value (Level 2)
Current: |  |  |  |  |  |  |  |  |  |
Commercial paper |  | $ | 54,971 |  |  | $ | 18 |  |  | $ | (13) |  |  |  |  | $ | 54,976 |
Corporate bonds |  | 24,881 |  |  | 22 |  |  | — |  |  |  |  | 24,903 |
Total |  | $ | 79,852 |  |  | $ | 40 |  |  | $ | (13) |  |  |  |  | $ | 79,879 |
At June 30, 2026, there were no investments available for sale that were materially less than their amortized cost. The Company elects to recognize its interest receivable separate from its available-for-sale investments. At June 30, 2026 and December 31, 2025, the interest receivable from its available-for-sale investments recognized in prepaid expenses and other current assets was $0.2 million and $0.3 million, respectively. Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, available-for-sale investments and accounts receivable. The Company maintains its cash and cash equivalents with high-credit quality financial institutions. Such amounts may exceed federally-insured limits. As of June 30, 2026, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 32%, 27% and 17%, which excludes the amounts that were reclassified to assets held for sale in conjunction with entering into the Purchase Agreement with Zimmer (for more information, see Note 3, Assets and Liabilities Held for Sale). At December 31, 2025, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 32%, 23% and 17%. For additional information regarding the Company’s wholesalers, see Note 2, Summary of Significant Accounting Policies. EXPAREL and ZILRETTA revenues are primarily derived from major wholesalers and specialty distributors that generally have significant cash resources. The Company performs ongoing credit evaluations of its customers as warranted and generally does not require collateral. Allowances for credit losses on the Company’s accounts receivable are maintained based on historical payment patterns, current and estimated future economic conditions, aging of accounts receivable and its write-off history. As of June 30, 2026, the allowance for credit losses on the Company’s accounts receivable was not material. As of December 31, 2025, there were $0.7 million of allowances for credit losses on the Company’s accounts receivable.

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- Definition The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/825/tableOfContent + Details
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