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Commitments and Contingencies | 6 Months Ended
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Jun. 30, 2026
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | 3. Commitments and Contingencies License Agreement with WuXi Biologics (Hong Kong) Limited In April 2021, the Company entered into a cell line license agreement (“Cell Line License Agreement”) with WuXi Biologics (Hong Kong) Limited (“WuXi Biologics”), pursuant to which the Company received a non-exclusive, worldwide, sublicensable license under certain of WuXi Biologics’ patent rights, know-how and biological materials (“WuXi Biologics Licensed Technology”), to use the WuXi Biologics Licensed Technology to make, use, sell, offer for sale and import certain therapeutic products produced through the use of the cell line licensed by WuXi Biologics under the Cell Line License Agreement (“WuXi Biologics Licensed Product”). In consideration for the license, the Company paid WuXi Biologics a non-refundable, one-time license fee of $0.2 million upon WuXi Biologics’ achievement of a certain technical milestone. This one-time license fee was recognized as research and development expense when incurred since the WuXi Biologics Licensed Technology had no alternative future use. If the Company does not engage WuXi Biologics or its affiliates to manufacture the WuXi Biologics Licensed Products for its commercial supplies, the Company is required to make royalty payments to WuXi Biologics in an amount equal to a low single-digit percentage of specified portions of net sales of WuXi Biologics Licensed Products manufactured by a third-party manufacturer. The Company has the right (but not the obligation) to buy out its remaining royalty obligations with respect to each WuXi Biologics Licensed Product by paying WuXi Biologics a one-time payment in an amount ranging from low single digit million dollars to a maximum of $15.0 million depending on the development and commercialization stage of the WuXi Biologics Licensed Product (the “Buyout Option”), and upon such payment, the Company's license with respect to such WuXi Biologics Licensed Product will become fully paid-up, irrevocable, and perpetual. The royalty obligations will remain in effect during the term of the Cell Line License Agreement so long as the Company has not exercised the Buyout Option. The Cell Line License Agreement will continue indefinitely unless terminated (i) by the Company upon three months’ prior written notice and the Company’s payment of all amounts due to WuXi Biologics through the effective date of termination, (ii) by either party for the other party’s material breach that remains uncured for 30 days after written notice, and (iii) by WuXi Biologics if the Company fails to make a payment and such failure continues for 30 days after receiving notice of such failure. Operating Leases In October 2021, the Company entered into a lease agreement (the “Torrey Plaza Lease”) to lease office and laboratory space in San Diego, California. The Company determined this facilities lease was an operating lease at the inception of the lease contract. According to accounting standards, the Torrey Plaza Lease commenced on April 1, 2022 and has a term of 130 months from the commencement date. The Torrey Plaza Lease provides an option to extend the term of the lease for a period of 5 years beyond the initial term, which the Company is not reasonably certain to exercise and therefore was not considered in determining the ROU assets and lease liabilities balance. The Company also has an operating lease for additional subleased office space in San Diego, California through January 2028. As required under the terms of the Torrey Plaza Lease, in October 2021 the Company entered into a standby letter of credit, which is secured by a money market account in the amount of $0.8 million. The letter of credit is subject to draw down by the landlord upon certain events of breach or default by the Company. The letter of credit amount is subject to a 50% reduction subject to certain conditions on or following the date that is 54 months following the contractual lease commencement date. Future minimum noncancelable operating lease payments as of June 30, 2026 are as follows (in thousands):
2026 (remaining) |  | $ | 2,050 |
2027 |  |  | 4,173 |
2028 |  |  | 3,868 |
2029 |  |  | 3,945 |
2030 |  |  | 4,064 |
Thereafter |  |  | 8,863 |
Total minimum lease payments |  |  | 26,963 |
Less: Imputed interest |  |  | (5,973 | )
Total operating lease liabilities |  |  | 20,990 |
Less: Current portion of operating lease liabilities |  |  | (2,552 | )
Operating lease liabilities, net of current portion |  | $ | 18,438 |
The Company's operating leases had a weighted-average remaining lease term of 6.4 years and a weighted-average discount rate of 8.0% as of June 30, 2026. Operating lease expense included in the measurement of lease liabilities for the three months ended June 30, 2026 and 2025 was $1.0 million and $0.9 million, respectively. Operating lease expense included in the measurement of lease liabilities for the six months ended June 30, 2026 and 2025 was $1.9 million and $1.7 million, respectively. Cash paid for amounts included in the measurement of lease liabilities for the three months ended June 30, 2026 and 2025 was $1.0 million and $0.9 million, respectively. Cash paid for amounts included in the measurement of lease liabilities for the six months ended June 30, 2026 and 2025 was $2.0 million and $1.7 million, respectively. Contingencies From time to time, the Company may be subject to claims or lawsuits arising in the ordinary course of business. The Company accrues a liability for such matters when it is probable that future expenditures will be made and such expenditures can be reasonably estimated. As of June 30, 2026, the Company is not currently party to any material le gal proceedings.

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