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Loan and Security Agreements | 3 Months Ended
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Mar. 31, 2026
Debt Disclosure [Abstract] |
Loan and Security Agreements | 8. Loan and Security Agreements Silicon Valley Bank On December 20, 2024 (the Effective Date), the Company entered into a Loan and Security Agreement (SVB Loan Agreement) with Silicon Valley Bank, a division of First-Citizens Bank & Trust Company (SVB). Under the SVB Loan Agreement, SVB will extend up to $52.5 million through a non-convertible term loan facility, consisting of a first tranche of $32.5 million fully funded on the Effective Date and a second tranche of $20.0 million to be available to the Company at the lender’s sole discretion on or prior to June 30, 2026. The term loans will mature on September 1, 2029, and will be subject to monthly interest only payments until September 30, 2027, provided the Company achieves certain financial and clinical milestones, following which the term loans will amortize in equal monthly installments until maturity. If the Company does not achieve such financial and clinical milestones by June 30, 2026, the maturity date will be September 1, 2028, and the interest only period will end on September 30, 2026, following which the term loans will amortize in equal monthly installments until maturity. The term loans will accrue interest at a per annum rate equal to the greater of (i) 7.00% and (ii) the prime rate (as last quoted in The Wall Street Journal), minus 0.75%; provided that such interest rate shall not exceed 9.75% per annum. The Company will be liable for a final payment that is due on the earliest to occur of (a) the maturity date, (b) the repayment of the term loans in full, and (c) the date upon which the term loans are accelerated by the lender, in an amount equal to the aggregate original principal amount of the term loans extended by the lender to the Company, multiplied by 5.0% (Exit Fee). In addition, the Company will be liable for a prepayment fee equal to (x) 3.0% of the principal amount of term loans prepaid during the first year of the term, (y) 2.0% of the principal amount of term loans prepaid during the second year of the term, and (z) 1.0% of the principal amount of term loans prepaid thereafter. The term loans will automatically accelerate upon the occurrence of a bankruptcy or insolvency event involving the Company or its subsidiaries. The SVB Loan Agreement contains customary representations and warranties, events of default and affirmative and negative covenants, including covenants that limit or restrict the Company’s and its subsidiaries’ ability to, among other things, dispose of assets, make changes to its business, management, ownership or business locations, merge or consolidate, incur additional indebtedness, grant liens on its assets, pay dividends or other distributions, repurchase equity, make investments, and enter into certain transactions with affiliates, in each case subject to certain thresholds and exceptions. The SVB Loan Agreement does not require the Company to comply with a financial maintenance covenant. As collateral for its obligations under the SVB Loan Agreement, the Company granted the lender a first-priority security interest on substantially all of the Company’s assets (other than intellectual property), subject to certain exceptions. The Company’s obligations under the SVB Loan Agreement will be guaranteed by each of the Company’s future direct or indirect subsidiaries, subject to certain exceptions. The Company recorded $0.7 million and $0.7 million in interest expense for the three months ended March 31, 2026 and 2025, respectively. The effective interest rate on the SVB Loan Agreement, including the amortization of the debt discount and issuance costs, and accretion of the Exit Fee, was 8.46% at March 31, 2026. Future principal payments as of March 31, 2026 are as follows (in thousands):
2027 | $ | 4,063 |
2028 |  | 16,250 |
2029 |  | 12,187 |
Total principal payments |  | 32,500 |
Plus: Final payment fee |  | 1,625 |
Less: unamortized debt discount and final fee |  | (1,471 | )
Total debt | $ | 32,654 |

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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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