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Credit Agreement | 12 Months Ended
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Dec. 31, 2025
Debt Disclosure [Abstract] |
Credit Agreement | 11. Credit Agreement In November 2025, we entered into a Credit and Guaranty Agreement (the Credit Agreement) with lenders led by Ares Capital Corporation, as administrative agent. The Credit Agreement provides for a senior secured term loan facility with aggregate term loan commitments of $1.5 billion, consisting of a $600 million initial term loan, which was funded at closing, and $900 million of delayed draw term loan commitments. The initial term loan matures on November 24, 2030. The delayed draw term loan commitments consist of (1) a $400 million delayed draw term loan facility (DDTL-1), which is available, subject to customary conditions, through November 24, 2027, and (2) a $500 million delayed draw term loan facility (DDTL-2), which is available, subject to customary conditions and the achievement of specified regulatory approval milestones for certain product candidates, through November 24, 2028. Borrowings under the Credit Agreement bear interest at a variable rate equal to, at our option, (i) Term SOFR plus a margin of 5.50% or (ii) a base rate plus a margin of 4.50%. The base rate is calculated as the highest of (a) the Wall Street Journal prime rate, (b) the federal funds rate plus one half of one percent and (c) Term SOFR plus one percent. We are also required to pay commitment fees on the undrawn portions of DDTL-1 and DDTL-2. The interest rate applicable to the initial term loan was approximately 9.38% as of December 31, 2025. The obligations under the Credit Agreement are guaranteed by certain of our subsidiaries and are secured by a first-priority lien on substantially all of our assets, in each case subject to customary exceptions and limitations. The Credit Agreement is subject to compliance with customary representations and warranties, affirmative covenants, restrictive covenants and events of default. The restrictive covenants, subject to specified limitations and exceptions, limit, among other things, our ability to incur additional indebtedness and liens, make certain investments, engage in certain fundamental changes, dispose of assets and make restricted payments. Events of default under the Credit Agreement include, among others, nonpayment of principal, interest or other amounts when due, failure to comply with covenants (subject to applicable notice and cure periods), breaches of certain representations and warranties, the occurrence of certain significant adverse events and certain insolvency-related events. The Credit Agreement also includes a financial covenant requiring us to maintain minimum cash and cash equivalents (as defined in the Credit Agreement, which primarily consist of our cash, cash equivalents, and available-for-sale securities) as of the last business day of each week of at least $500 million, increasing to $750 million if more than $1.0 billion is drawn under the Credit Agreement. The financial covenant is not required to be tested at any time that the trailing 30-day average market capitalization of the Company exceeds $5.0 billion and is subject to a customary equity cure. As of December 31, 2025, we were in compliance with the applicable terms and covenants under the Credit Agreement. As of December 31, 2025, the initial term loan had an outstanding principal balance of $600 million and a carrying amount of $590 million, net of unamortized original issue discount and debt issuance costs, which was classified as long-term debt in our consolidated balance sheet. No amounts had been drawn under DDTL-1 or DDTL-2. The principal amount of $600 million is due in full at maturity, and no principal payments are required prior to that date.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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