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Notes Payable | 6 Months Ended
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Jun. 30, 2026
Debt Disclosure [Abstract] |
Notes Payable | Notes Payable Note Purchase Agreement On April 28, 2025 (the “Closing Date”), the Company and certain of its subsidiaries entered into the Note Purchase Agreement, by and among Biohaven Therapeutics Ltd., as issuer (the “Issuer”), the Company and certain subsidiaries of the Company, as obligors (together with the Issuer, the “Obligors”), the Purchasers (as defined in the Note Purchase Agreement) and Beetlejuice SA LLC, an affiliate of Oberland, as purchaser agent (the “Purchaser Agent”). Pursuant to the Note Purchase Agreement, the Purchasers agreed to purchase senior secured notes from the Issuer (i) in an initial tranche shortly after the Closing Date for an aggregate purchase price of $250,000 (the “First Notes”) and (ii) at the Company's option and subject to the satisfaction of certain conditions, including the receipt of approval from the U.S. Food and Drug Administration ("FDA") for troriluzole, in a second tranche in up to three purchases on or before June 30, 2026 for an aggregate purchase price of $150,000 (the “Second Notes”). The proceeds from the sale of the First Notes may be used for working capital and permitted business purposes. The Issuer may also sell to the Purchasers, at the Issuer’s option and subject to the approval of each Purchaser agreeing to participate therein, in its sole discretion, additional notes in up to four purchases for an aggregate purchase price of $200,000 (the “Third Notes” and, together with the First Notes and the Second Notes, the “Notes”), the proceeds of which may be used solely to fund permitted acquisitions and related costs and expenses. The Company and Issuer did not exercise either option to sell any Second or Third Notes prior to June 30, 2026, and those options expired unexercised as of that date. The Company received approximately $250,000 in proceeds from the sale of the First Notes in April 2025. The Purchasers will be entitled to receive payments (the “Revenue Payments”) equal to, initially, 6.25% of the global net sales of troriluzole (“Net Sales”), which will increase pro rata upon the purchase of any of the Second Notes. If the aggregate amount of Revenue Payments (if troriluzole has received FDA approval) and any Milestone Payment (as defined below) made by the Issuer to the Purchasers pursuant to the Note Purchase Agreement as of December 31, 2030 (the “Test Date”) equals or exceeds the amount of the aggregate purchase price for the Notes paid by the Purchasers (the “Total Funded Amount”) to the Issuer pursuant to the Note Purchase Agreement (the “Test Date Condition”), the then-applicable percentage of Net Sales payable as Revenue Payments will automatically decrease by 60% for all subsequent years. If the Test Date Condition is not satisfied by the Test Date, the then-applicable percentage of Net Sales payable as Revenue Payments will automatically increase for all subsequent years to the lesser of (i) a rate that would have provided the Purchasers with 100% of the Total Funded Amount as of the Test Date had such rate applied from the Closing Date through and including the Test Date and (ii) 80%. The Revenue Payments will become payable to the Purchasers on a quarterly basis after the Closing Date. The Issuer will also be obligated to pay to the Purchasers a milestone payment (the “Milestone Payment”) equal to 35% of the Total Funded Amount upon the approval by the FDA or European Medicines Agency (“EMA”) of troriluzole or other Company products. The Milestone Payment will be payable in equal quarterly installments starting in the quarter after the approval is received or, if the Milestone Payment is earned after the Test Date, in one single payment on the 10 th Business Day (as defined in the Note Purchase Agreement) after the date the approval is received. In addition to the Revenue Payments and the Milestone Payment discussed above, if the Test Date Condition is not satisfied, then the Company will be obligated to make a one-time payment to the Purchasers equal to 100% of the Total Funded Amount as of the Test Date less the aggregate Revenue Payments and Milestone Payments made to the Purchasers as of the Test Date (the “True-Up Payment”). If troriluzole has not received FDA approval for the treatment of obsessive compulsive disorder or spinocerebellar ataxia as of the Test Date, any Milestone Payments shall be excluded in calculating the True-Up Payment. The Purchasers’ right to receive the Revenue Payments shall terminate on the date on which the Purchasers have received Revenue Payments and Milestone Payments (the “Total Payments”), together with any True-Up Payment paid by the Issuer to the Purchasers, in an aggregate amount equal to the then-applicable Cap Amount, unless the Note Purchase Agreement is terminated prior to such date. The “Cap Amount” means an amount equal to the Total Funded Amount multiplied by (x) on or prior to the earlier of the Test Date and the date the Test Date Condition is satisfied, 1.65 with respect to the Second Notes and 1.95 with respect to the First Notes and any Third Notes, and (y) after the earlier of the Test Date and the date the Test Date Condition is satisfied, (a) with respect to the First Notes and Third Notes, (i) if the Test Date Condition is satisfied, 1.60, (ii) if the Test Date Condition is not satisfied and the Total Payments as of the Test Date are equal to or greater than 90% of the Total Funded Amount, 1.80, (iii) if the Test Date Condition is not satisfied and the Total Payments as of the Test Date are less than 90% but equal to or greater than 50% of the Total Funded Amount, 1.95, (iv) if the Test Date Condition is not satisfied and the Total Payments as of the Test Date are less than 50% of the Total Funded Amount, 2.10 if on or prior to the 8 th anniversary of the Closing Date and 2.25 if after the 8 th anniversary of the Closing Date, and (b) with respect to the Second Notes, (i) if the Test Date Condition is satisfied, 1.40, (ii) if the Test Date Condition is not satisfied and the Total Payments as of the Test Date are equal to or greater than 50% of the Funded Amount, 1.65, and (iii) if the Test Date Condition is not satisfied and the Total Payments as of the Test Date are less than 50% of the Funded Amount, 1.75. If the Purchasers have not received Total Payments equal to the then-applicable Cap Amount as of the 10 th anniversary of the Closing Date (or, if no products of the Company have been approved by the FDA or EMA on or before the Test Date, the 8 th anniversary of the Closing Date), the Issuer will be obligated to pay to the Purchasers an amount equal to the Cap Amount less the Total Payments made as of such date. Under the Note Purchase Agreement, the Issuer has an option (the “Call Option”) to terminate the Note Purchase Agreement and repurchase the Notes in full at any time upon advance written notice. Additionally, the Purchasers have an option (the “Put Option”) to terminate the Note Purchase Agreement and to require the Company to repurchase the Notes in full upon certain enumerated events, including, but not limited to, payment defaults, covenant defaults, material breaches of representations and warranties, cross defaults to material debt, bankruptcy and insolvency defaults, material judgment defaults, key man event or a change of control. The required purchase price with respect to the Call Option and the Put Option, as applicable, shall be (a) with respect to the portion of the Total Funded Amount relating to the First Notes and the Third Notes, (i) 120% of such amount if Purchasers exercise the Put Option (other than in connection with a change of control or in connection with a sale of all or substantially all assets relating to troriluzole under certain conditions) on or prior to the first anniversary of the Closing Date, (ii) 135% of such amount if the First Notes and Third Notes are repurchased voluntarily or in connection with a change of control on or prior to the date that is 18 months after the Closing Date or in connection with a definitive agreement for the sale of all or substantially all assets relating to troriluzole by August 31, 2025 and the repurchase of the Notes by September 30, 2025 and provided that, in either case, no Default or Event of Default (each as defined in the Note Purchase Agreement) is continuing at such time, (iii) 150% of such amount if the First Notes and Third Notes are repurchased on or prior to the date that is 18 months after the Closing Date and the prior clauses (i) and (ii) do not apply, (iv) 175% of such amount if the First Notes and Third Notes are repurchased from and after the date that is 18 months after the Closing Date and prior to the third anniversary of the Closing Date and (v) 195% of such amount if the First Notes and Third Notes are repurchased after the third anniversary of the Closing Date, provided that if the Total Payments as of the Test Date are less than 50% of the Total Funded Amount, the required purchase price shall be 210% of such amount if such purchase price is paid on or prior to the 8 th anniversary of the Closing Date, and 225% of such amount if such purchase price is paid after the 8 th anniversary of the Closing Date, and (b) with respect to the portion of the Total Funded Amount relating to the Second Notes, (i) 120% of such amount if the Second Notes are repurchased on or prior to the first anniversary of the first purchase date for such Second Notes, (ii) 135% of such amount if the Second Notes are repurchased after the first anniversary but on or prior to the second anniversary of the first purchase date for such Second Notes and (iii) 175% of such amount if the Second Notes are repurchased after the second anniversary of the first purchase date for such Second Notes, except in the event that the Total Payments as of the Test Date are equal to or greater than 50% of the Total Funded Amount, in which case the required purchase price shall be 165% of such amount, minus in each case in the preceding clauses (a) and (b), the aggregate Total Payments and any True-Up Payment made to the Purchasers prior to such date. The Issuer’s obligations under the Note Purchase Agreement are guaranteed by the Company and certain of its subsidiaries (the “Guarantors”). To secure the Issuer’s obligations under the Note Purchase Agreement and the Guarantors’ obligations under the guarantees, the Obligors have granted the Purchaser Agent, for the benefit of the Purchasers, a security interest in the Obligors’ cash and equity interests and in specific assets related to troriluzole. The Note Purchase Agreement contains affirmative and negative covenants, including covenants that limit or restrict the Obligors’ and their subsidiaries’ ability to, among other things, incur indebtedness, grant liens, merge or consolidate, dispose of assets, make investments, make acquisitions, enter into certain transactions with affiliates, pay dividends or make distributions, repurchase stock and enter into restrictive agreements, in each case subject to certain exceptions set forth in the Note Purchase Agreement. In the event that by the reporting deadline of March 1, 2027, the Company's audited financial statements for the year ended December 31, 2026 or any year thereafter for the term of the agreement, are subject to any qualification, emphasis of matter or statement as to “going concern” or scope of audit, subject to certain exceptions, the Company would be in breach of its financial statement delivery covenant under the Note Purchase Agreement. In such event, if such requirement was not amended or waived by the Purchasers, the Purchasers could have the right to exercise their remedies under the Note Purchase Agreement, which could include, but not be limited to, declaring an event of default and accelerating payment of outstanding amounts thereunder (which amounted to $250,000 as of June 30, 2026), plus a required premium as noted above. The Company elected to account for the Note Purchase Agreement using the fair value option as permitted by ASC 825. See Note 2, "Summary of Significant Accounting Policies," to the consolidated financial statements included in our 2025 Form 10-K, and Note 4, "Fair Value of Financial Assets and Liabilities," to the accompanying condensed consolidated financial statements included in this Form 10-Q for further discussion.

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