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Fair Value | 9 Months Ended
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Sep. 30, 2025
Fair Value Disclosures [Abstract] |
Fair Value | Note 4 - Fair Value Recurring Fair Value Measurements Our borrowing instruments are recorded at their carrying values in the condensed balance sheets, which may differ from their respective fair values. The fair value of borrowings as of September 30, 2025 is primarily associated with the Perceptive Term Loan Facility entered into with Perceptive Credit Holdings IV, LP, in November 2022 and was determined using a discounted cash flow analysis, excluding the fair value of the Perceptive Warrant (as defined below) issued in conjunction with the transaction. The carrying value of outstanding borrowings approximates the fair value as of September 30, 2025 and December 31, 2024. The table below presents the carryi ng and fair values of outstanding borrowings, which are classified as Level 2, as of the dates indicated (in thousands):
|  | As of |
| September 30, 2025 |  |  | December 31, 2024 |
|  | Carrying Value |  |  | Fair Value |  |  | Carrying Value |  |  | Fair Value |
Borrowings |  | $ | 47,122 |  |  | $ | 47,240 |  |  | $ | 36,429 |  |  | $ | 37,484 |
The financial liabilities that are measured and recorded at estimated fair value on a recurring basis consist of the warrant liabilities granted as consideration for the Perceptive Term Loan Facility (see Note 6 - Debt), contingent value rights granted to certain holders of our previously converted Series F Preferred Stock, and, prior to 2025, contingent consideration associated with our previous acquisition of Indi, which were accounted for as liabilities and remeasured through our condensed statements of operations. The table below presents the reported fair values of contingent consideration and warrant liabilities, which are classified as Level 3 in the fair value hierarchy, as of the dates indicated (in thousands):
|  | As of |
Description |  | September 30, 2025 |  |  | December 31, 2024 |
Warrant liabilities |  | $ | — |  |  | $ | — |
Contingent value rights |  | $ | — |  |  | $ | — |
The following table presents the changes in warrant liabilities for the dates indicated (in thousands):
|  | For the nine months ended September 30, 2025 |
Level 3 Rollforward |  | Warrant Liabilities |
Balance - January 1, 2025 |  | $ | — |
Changes in fair value, net |  |  | 280 |
Reclassification of Tranche C Warrants to additional paid-in capital |  |  | (280 | )
Balance - September 30, 2025 |  | $ | — |
The following table presents the changes in contingent consideration for the dates indicated (in thousands):
|  | For the nine months ended September 30, 2024 |
Level 3 Rollforward |  | Contingent Consideration |
Beginning balances - January 1, 2024 |  | $ | 21,857 |
Interest expense |  |  | 1,137 |
Loss on extinguishment of liabilities |  |  | 248 |
Payments |  |  | (23,242 | )
Ending balances - September 30, 2024 |  | $ | — |
Warrant Liabilities On November 21, 2022, as consideration for the Perceptive Term Loan Facility (see Note 6 - Debt), the Company issued Perceptive a warrant to purchase up to 250,000 shares of the Company's common stock (the Perceptive Warrant), including Initial Warrants (as defined in Note 8 - Equity below) and Tranche B and C Warrants. The Initial Warrants are equity classified (see Note 8 - Equity) while the Tranche B and C Warrants were initially classified as liabilities and recognized at fair value. On December 15, 2023 (the Tranche B Borrowing Date), the Company exercised its ability to draw the Tranche B loan (see Note 6 – Debt). In connection with the Tranche B draw, the Company remeasured the Tranche B Warrants through the Tranche B Borrowing Date and recorded the change in fair value through the statements of operations and, subsequently, reclassified the fair value to additional paid-in capital (see Note 8 – Equity). The fair value of the Tranche C Warrants was determined using a Black-Scholes option-pricing model and subject to certain unobservable inputs. The significant unobservable inputs used in the measurement of the fair value included the fair value of the Company's common stock, risk-free rate, the volatility of common stock, and the probability of the expected borrowing. The Tranche C loan had a prior commitment date through September 30, 2024 and, as of that date, the Company did not exercise its ability to draw the Tranche C loan. On February 28, 2025 (the Fifth Amendment Effective Date), the Company entered into the Fifth Amendment to the Credit Agreement and Guaranty (the Fifth Amendment) with Perceptive (see Note 6 – Debt), whereby subject to the terms and conditions of the Fifth Amendment, the Tranche C Loan Commitment Termination Date (as defined in the Credit Agreement) was extended, providing continued availability to the Tranche C Loan through December 31, 2025. In addition, on the Tranche C Loan Borrowing Date (as defined in the Credit Agreement), the Tranche C Warrants, as amended, would become vested and exercisable at an exercise price equal to $15.86, the Company's closing stock price on February 28, 2025. On May 8, 2025, the Company exercised its ability to draw the Tranche C loan under the Perceptive Term Loan Facility for $10.0 million (the Tranche C Loan) pursuant to the Credit Agreement. As consideration for drawing the Tranche C Loan, the Company agreed to modify the previously agreed upon per share exercise price of $15.86 for the Tranche C Warrants to a new per share exercise of $8.382, which was equal to the 10-day VWAP of the Company’s common stock on May 9, 2025, the business day immediately preceding the Tranche C Loan borrowing date. In connection with the Tranche C draw, the Company remeasured the Tranche C Warrants through the Tranche C Borrowing Date and recorded the change in fair value through the statement of operations and, subsequently, reclassified the fair value to additional paid-in capital (see Note 8 – Equity). During the three and nine months ended September 30, 2025, the Company recorded no change in fair value and a loss of $0.3 million, respectively, as a ch ange in fair value through the condensed statements of operations due to changes in unobservable inputs. During the three and nine months ended September 30, 2024, the Company recorded no change in fair value through the condensed statement of operations due to changes in unobservable inputs. Contingent Value Rights In January 2016, the Company issued shares of Series F Preferred Stock (the Series F Offering) that were subsequently converted into common stock in connection with the Company's initial public offering in October 2020. In connection with the Series F Offering, investors who purchased more than their pro-rata amount in the financing received a calculated number of contingent value rights (CVRs). One CVR represents 0.00375% of the Company’s interest in the drug ficlatuzumab, which began a Phase 3 clinical trial in January 2024 (see Note 14 - Commitments and Contingencies below). In January 2016, the Company issued 3,999 CVRs, or 15% interest in the drug ficlatuzumab, originally valued at $0.5 million. The initial estimated value of the CVRs were recorded as a liability and as a reduction to the Series F proceeds. Subsequent to recoupment of our initial co-development costs, upon receipt of a milestone, royalty, or any other type of payment from the Company’s ownership rights in the drug, the Company is required to make a cash payment to the CVR holders equal to 15% of net proceeds, as defined. During the three and nine months ended September 30, 2025 and 2024, the Company recorded no change in fair value du e to the remote probability of receiving net proceeds in excess of our initial co-development costs. Contingent Consideration In connection with the acquisition of Indi in 2018, the Company recorded contingent consideration for amounts contingently payable to Indi's selling shareholders pursuant to the terms of the asset purchase agreement (the Indi APA). The contingent consideration arrangement required additional consideration to be paid by the Company to such shareholders upon attainment of a three-consecutive month gross margin target of $2.0 million within the seven-year period after the acquisition date, which was achieved during the three months ended June 30, 2021. Under the terms of the original agreement, when the gross margin target was achieved, the Company was required to issue 2,520,108 shares of common stock. For the six months following the achievement of the gross margin target, Indi had the option to require the Company to redeem these common shares for $37.0 million in cash over eight equal quarterly installments. If Indi elected to not exercise its option, the Company had 12 months to repurchase the common stock in two equal and consecutive quarterly cash installments totaling $37.0 million. In August 2021, the Company entered into an amendment to the original agreement in which all parties agreed to forgo the issuance of common stock and agreed that the Company would, in lieu thereof, make six quarterly installments of approximately $4.6 million each beginning in January 2022 and a final payment of approximately $9.3 million in July 2023 for a total of $37.0 million (the Milestone Payments and each individually a Milestone Payment). The aggregate amount of payments owed by the Company under this amendment was the same as if Indi had exercised the put right or the Company had exercised the call right provided for in the original agreement. On April 7, 2022, the Company entered into Amendment No. 3 to the Indi APA, in which the parties agreed to restructure the Milestone Payments. The Company made five quarterly installments of $2.0 million each beginning in April 2022, three quarterly installments of $3.0 million which began in July 2023, one installment of $5.0 million in April 2024, and one installment of $8.4 million in July 2024. In addition, the Company agreed to an exit fee of approximately $6.1 million to be paid in October 2024. Interest accrued on the difference between the payment schedule as agreed in the August 2021 amendment and the April 2022 amended payment schedule, at an aggregate per annum rate equal to 10%, with such interest payable quarterly on the following installment payment date. Our ability to make these payments was subject to ongoing compliance under the Perceptive Term Loan Facility. On September 30, 2024, the Company obtained consent from Perceptive and prepaid the October 1, 2024 exit fee of $6.1 million to Indi. The Company has no remaining obligations to Indi. During the three and nine months ended September 30, 2024, the Company recorded $0.2 million and $1.1 million, respectively, in interest expense due to the passage of time and fixed payment schedule.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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