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DEBT | 9 Months Ended
--- | ---
Sep. 30, 2025
Debt Disclosure [Abstract] |
DEBT | DEBT The following table provides information regarding the Company’s debt:
| September 30, 2025 |  | December 31, 2024
| (In thousands)
Convertible notes |  |  |
Notes due 2028 | $ | 575,000 |  |  | $ | 575,000 |
Less: unamortized debt issuance costs | (3,133) |  |  | (4,102) |
Carrying amount of Notes due 2028 | 571,867 |  |  | 570,898 |
Notes due 2026 | 632,500 |  |  | 632,500 |
Less: unamortized debt issuance costs | (819) |  |  | (2,309) |
Carrying amount of Notes due 2026 | 631,681 |  |  | 630,191 |
Notes due 2025 | — |  |  | 102,168 |
Less: unamortized debt discount | — |  |  | (803) |
Less: unamortized debt issuance costs | — |  |  | (74) |
Carrying amount of Notes due 2025 | — |  |  | 101,291 |
Total carrying amount of debt | 1,203,548 |  |  | 1,302,380 |
Less: debt, current | (631,681) |  |  | (101,291) |
Debt, non-current | $ | 571,867 |  |  | $ | 1,201,089 |
The following tables present the total amount of interest cost recognized in the consolidated statement of operations relating to the Company’s notes:
| Three Months Ended September 30, |  |
| 2025 |  |  |  | 2024 |  |
| Notes due 2028 |  | Notes due 2026 |  |  |  |  |  | Notes due 2028 |  | Notes due 2026 |  | Notes due 2025 |  |  |  |
| (In thousands) |  |
Contractual interest expense | $ | — |  |  | $ | — |  |  |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | 64 |  |  |  |  |
Amortization of debt discount | — |  |  | — |  |  |  |  |  |  | — |  |  | — |  |  | 1,222 |  |  |  |  |
Amortization of debt issuance costs | 326 |  |  | 502 |  |  |  |  |  |  | 327 |  |  | 502 |  |  | 122 |  |  |  |  |
Total interest cost recognized | $ | 326 |  |  | $ | 502 |  |  |  |  |  |  | $ | 327 |  |  | $ | 502 |  |  | $ | 1,408 |  |  |  |  |
| Nine Months Ended September 30,
| 2025 |  | 2024
| Notes due 2028 |  | Notes due 2026 |  | Notes due 2025 |  |  |  | Notes due 2028 |  | Notes due 2026 |  | Notes due 2025 |  |
| (In thousands)
Contractual interest expense | $ | — |  |  | $ | — |  |  | $ | 43 |  |  |  |  | $ | — |  |  | $ | — |  |  | $ | 192 |  |  |
Amortization of debt discount | — |  |  | — |  |  | 803 |  |  |  |  | — |  |  | — |  |  | 3,604 |  |  |
Amortization of debt issuance costs | 969 |  |  | 1,489 |  |  | 75 |  |  |  |  | 979 |  |  | 1,507 |  |  | 371 |  |  |
Total interest cost recognized | $ | 969 |  |  | $ | 1,489 |  |  | $ | 921 |  |  |  |  | $ | 979 |  |  | $ | 1,507 |  |  | $ | 4,167 |  |  |
Convertible Senior Notes due 2028 On March 1, 2021, the Company issued $575.0 million aggregate principal amount of its 0.0% convertible senior notes due 2028 (the “Notes due 2028”). The Notes due 2028 will not bear regular interest, and the principal amount of the Notes due 2028 will not accrete. The Notes due 2028 are general unsecured obligations and are governed by an indenture between the Company and U.S. Bank National Association, as trustee. The Notes due 2028 will mature on March 1, 2028, unless earlier repurchased by the Company or converted at the option of the holders. The Company received approximately $566.4 million in net proceeds, after deducting the initial purchasers’ discount, from the issuance of the Notes due 2028. The initial conversion rate for the Notes due 2028 is 3.5104 shares of common stock per $1,000 principal amount of the Notes due 2028 (which represents an initial conversion price of approximately $284.87 per share). Upon conversion, the Company will settle conversions of the Notes due 2028 through payment or delivery, as the case may be, of cash, shares of its common stock or a combination of cash and shares of its common stock, at the Company’s election. The Company may redeem for cash all or any portion of the Notes due 2028, at the Company’s election, on or after September 6, 2024, if the last reported sale price of the Company’s common stock has been greater than or equal to 130% of the conversion price then in effect for the Notes due 2028 (i.e., $370.33, which is 130% of the current conversion price for the Notes due 2028) for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption. The redemption price will equal 100% of the principal amount of the Notes due 2028 to be redeemed, plus accrued and unpaid special interest, if any to, but excluding, the relevant redemption date. No sinking fund is provided for the Notes due 2028. The Notes due 2028 may be converted on any day prior to the close of business on the business day immediately preceding September 1, 2027, in multiples of $1,000 principal amount, at the option of the holder only under any of the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price for the Notes due 2028 on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “Measurement Period”) in which the “trading price” (as defined in the relevant indenture) per $1,000 principal amount of notes for each trading day of the Measurement Period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate for the Notes due 2028 on each such trading day; (3) if the Company calls any or all of the Notes due 2028 for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On and after September 1, 2027 until the close of business on the second scheduled trading day immediately preceding the maturity date of March 1, 2028, holders of the Notes due 2028 may convert their notes at any time, regardless of the foregoing circumstances. Upon the occurrence of a fundamental change (as defined in the relevant indenture), holders may require the Company to repurchase all or a portion of their Notes due 2028 for cash at a price equal to 100% of the principal amount of the notes to be repurchased plus any accrued and unpaid special interest, if any, to, but excluding, the fundamental change repurchase date. As of September 30, 2025, the sales price of the Company’s common stock was not greater than or equal to $370.33 (130% of the notes conversion price) for at least 20 trading days (whether consecutive or not) during a period of 30 consecutive trading days preceding the quarter-ended September 30, 2025. As a result, the Notes due 2028 are not convertible at the holders’ option. Accordingly, the Company classified the net carrying amount of the Notes due 2028 of $571.9 million as Debt, non-current on the condensed consolidated balance sheet as of September 30, 2025. As of September 30, 2025, the unamortized deferred issuance cost for the Notes due 2028 was $3.1 million on the condensed consolidated balance sheet. Notes due 2028 Hedge and Warrant Transactions In connection with the offering of the Notes due 2028, the Company entered into privately-negotiated convertible note hedge transactions (“Notes due 2028 Hedge”) pursuant to which the Company has the option to purchase a total of approximately 2.0 million shares of its common stock (subject to anti-dilution adjustments), which is the same number of shares initially issuable upon conversion of the Notes due 2028, at a price of $284.87 per share. The total cost of the convertible note hedge transactions was approximately $161.6 million. The convertible note hedge transactions are expected generally to reduce potential dilution to the Company’s common stock upon any conversion of the Notes due 2028 and/or offset any cash payments the Company is required to make in excess of the principal amount of converted notes, as the case may be. Additionally, the Company separately entered into privately-negotiated warrant transactions (the “2028 Warrants”) whereby the Company sold warrants to acquire approximately 2.0 million shares of the Company’s common stock (subject to anti-dilution adjustments) at an initial strike price of $397.91 per share. The Company received aggregate proceeds of approximately $123.4 million from the sale of the 2028 Warrants. If the market value per share of the Company’s common stock, as measured under the 2028 Warrants, exceeds the strike price of the 2028 Warrants, the 2028 Warrants will have a dilutive effect on the Company’s earnings per share, unless the Company elects, subject to certain conditions, to settle the 2028 Warrants in cash. Taken together, the purchase of the Notes due 2028 Hedge and the sale of the 2028 Warrants are intended to reduce potential dilution from the conversion of the Notes due 2028 and to effectively increase the overall conversion price from $284.87 to $397.91 per share. The 2028 Warrants are only exercisable on the applicable expiration dates in accordance with the Notes due 2028 Hedge. Subject to the other terms of the 2028 Warrants, the first expiration date applicable to the Notes due 2028 Hedge is June 1, 2028, and the final expiration date applicable to the Notes due 2028 Hedge is July 27, 2028. Given that the transactions meet certain accounting criteria, the Notes due 2028 Hedge and the 2028 Warrants transactions were recorded in stockholders’ equity, and they were not accounted for as derivatives and are not remeasured each reporting period. Convertible Senior Notes due 2026 On March 1, 2021, the Company issued $575.0 million aggregate principal amount of 0.0% convertible senior notes due 2026 (the “Notes due 2026”). In addition, on March 12, 2021, the Company issued an additional $57.5 million aggregate principal amount of the Notes due 2026 pursuant to the initial purchasers’ full exercise of the over-allotment option for additional Notes due 2026. The Notes due 2026 will not bear regular interest, and the principal amount of the Notes due 2026 will not accrete. The Notes due 2026 are general unsecured obligations and are governed by an indenture between the Company and U.S. Bank National Association, as trustee. The Notes due 2026 will mature on March 1, 2026, unless repurchased earlier by the Company or converted at the option of the holders. The Company received approximately $623.0 million in net proceeds, after deducting the initial purchasers’ discount, from the issuance of the Notes due 2026. The initial conversion rate for the Notes due 2026 is 3.2523 shares of common stock per $1,000 principal amount of the Notes due 2026 (which represents an initial conversion price of approximately $307.47 per share). Upon conversion, the Company will settle conversions of Notes due 2026 through payment or delivery, as the case may be, of cash, shares of its common stock or a combination of cash and shares of its common stock, at the Company’s election. The Company may redeem for cash all or any portion of the Notes due 2026, at the Company’s election, on or after September 6, 2023, if the last reported sale price of the Company’s common stock has been greater than or equal to 130% of the conversion price then in effect for the Notes due 2026 (i.e., $399.71, which is 130% of the current conversion price for the Notes due 2026) for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which the Company provides notice of redemption. The redemption price will equal 100% of the principal amount of the Notes due 2026 to be redeemed, plus accrued and unpaid special interest, if any, to, but excluding, the relevant redemption date for the Notes due 2026. The redemption price will be increased as described in the relevant indentures by a number of additional shares of the Company in connection with such optional redemption by the Company. No sinking fund is provided for the Notes due 2026. The Notes due 2026 may be converted on any day prior to the close of business on the business day immediately preceding September 1, 2025, in multiples of $1,000 principal amount, at the option of the holder only under any of the following circumstances: (1) during any calendar quarter commencing after the calendar quarter ending on June 30, 2021 (and only during such calendar quarter), if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price of the Notes due 2026 on each applicable trading day; (2) during the five business day period after any five consecutive trading day period (the “measurement period”) in which the “trading price” (as defined in the relevant indenture) per $1,000 principal amount of notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate for Notes due 2026 on each such trading day; (3) if the Company calls any or all of the Notes due 2026 for redemption, at any time prior to the close of business on the scheduled trading day immediately preceding the redemption date; or (4) upon the occurrence of specified corporate events. On and after September 1, 2025 until the close of business on the second scheduled trading day immediately preceding the maturity date of March 1, 2026, holders of the Notes due 2026 may convert their notes at any time, regardless of the foregoing circumstances. Upon the occurrence of a fundamental change (as defined in the relevant indenture), holders may require the Company to repurchase all or a portion of their Notes due 2026 for cash at a price equal to 100% of the principal amount of the notes to be repurchased plus any accrued and unpaid special interest, if any, to, but excluding, the fundamental change repurchase date. The Notes due 2026 are convertible at the option of the holder any time from September 1, 2025, until the close of business on the second scheduled trading day immediately preceding the maturity date of March 1, 2026. Further, as the Notes due 2026 mature in less than a year, accordingly, the Company has classified the net carrying amount of the Notes due 2026 of $631.7 million as Debt, current on the condensed consolidated balance sheet as of September 30, 2025. As of September 30, 2025, the unamortized deferred issuance cost for the Notes due 2026 was $0.8 million on the condensed consolidated balance sheet. Notes due 2026 Hedge and Warrant Transactions In connection with the offering of the Notes due 2026 (including in connection with the issuance of additional Notes due 2026 upon the initial purchasers’ exercise of their over-allotment option), the Company entered into privately-negotiated convertible note hedge transactions (the “Notes due 2026 Hedge”) pursuant to which the Company has the option to purchase a total of approximately 2.1 million shares of its common stock (subject to anti-dilution adjustments), which is the same number of shares initially issuable upon conversion of the Notes due 2026, at a price of $307.47 per share, which is the initial conversion price of the Notes due 2026. The total cost of the Notes due 2026 Hedge was approximately $124.6 million. The Notes due 2026 Hedge are expected generally to reduce potential dilution to the Company’s common stock upon any conversion of the Notes due 2026 and/or offset any cash payments the Company is required to make in excess of the principal amount of converted notes, as the case may be. Additionally, the Company separately entered into privately-negotiated warrant transactions, including in connection with the issuance of additional Notes due 2026 upon the initial purchasers’ exercise of their over-allotment option (the “2026 Warrants”), whereby the Company sold warrants to acquire approximately 2.1 million shares of the Company’s common stock (subject to anti-dilution adjustments) at an initial strike price of $397.91 per share. The Company received aggregate proceeds of approximately $97.4 million from the sale of the 2026 Warrants. If the market value per share of the Company’s common stock, as measured under the 2026 Warrants, exceeds the strike price of the 2026 Warrants, the 2026 Warrants will have a dilutive effect on the Company’s earnings per share, unless the Company elects, subject to certain conditions, to settle the 2026 Warrants in cash. Taken together, the purchase of the Notes due 2026 Hedge and the sale of the 2026 Warrants are intended to reduce potential dilution from the conversion of the Notes due 2026 and to effectively increase the overall conversion price from $307.47 to $397.91 per share. The 2026 Warrants are only exercisable on the applicable expiration dates in accordance with the 2026 Warrants. Subject to the other terms of the 2026 Warrants, the first expiration date applicable to the Warrants is June 1, 2026, and the final expiration date applicable to the 2026 Warrants is July 27, 2026. Given that the transactions meet certain accounting criteria, the Notes due 2026 Hedge and the 2026 Warrants transactions were recorded in stockholders’ equity, and they were not accounted for as derivatives and are not remeasured each reporting period. Convertible Senior Notes due 2025 The Company settled all of its outstanding 0.25% convertible senior notes due 2025 (the “Notes due 2025”) on March 1, 2025 (the “maturity date”). As part of the settlement, the Company paid $102.2 million in cash towards principal amount of the Notes due 2025 and no shares were issued in connection with the settlement as the conversion value was less than the principal amount of the Notes due 2025. Following the settlement, there were no Notes due 2025 outstanding as of September 30, 2025. Notes due 2025 Hedge and Warrant Transactions In connection with the offering of the Notes due 2025, the Company entered into privately-negotiated convertible note hedge transactions (the “Notes due 2025 Hedge”) to reduce potential dilution to the Company’s common stock upon any conversion of the Notes due 2025 and/or offset any cash payments the Company is required to make in excess of the principal amount of converted notes, as the case may be. The Notes due 2025 Hedge expired on March 1, 2025, upon maturity of Notes due 2025 as the strike price was higher than the market price. Additionally, the Company separately entered into privately-negotiated warrant transactions in connection with the offering of the Notes due 2025 whereby the Company sold the 2025 Warrants to acquire approximately 3.9 million shares of the Company’s common stock (subject to anti-dilution adjustments) at an initial strike price of $106.94 per share. None of the 2025 Warrants were exercised and all expired during the three months ended September 30, 2025.

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