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Commitments and Contingencies | 3 Months Ended
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Mar. 31, 2026
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies Clinical and Preclinical Development and Licensing Arrangements From time to time, the Company enters into contracts in the normal course of business with various third parties who support its clinical trials, preclinical research studies and other services related to its development activities. The scope of the services under these agreements can generally be modified at any time, and the agreement can be terminated by either party after a period of notice and receipt of written notice. In addition, under licensing and related arrangements to which the Company is a party, the Company may be obligated to make milestone payments to third parties. The payment obligations under these arrangements are contingent upon future events, such as achievement of specified milestones or generation of product sales, and the amount, timing and likelihood of such payments are not known. Yale University License Agreement In June 2024, the Company entered into an Amended and Restated License Agreement (the “Amended License Agreement”) with Yale pursuant to which the parties amended and restated the license agreement dated July 5, 2013, as amended to date (the "Original Agreement"). In connection with the signing of the Amended License Agreement, the Company made a payment of $14.95 million to Yale in June 2024, comprising both an upfront payment connected to the Amended License Agreement and an amount related to the collaboration income under the Novartis License Agreement and Novartis Asset Agreement (see Note 3, Research Collaboration and License Agreements, for a description of the agreements) and the Company made another $5.0 million payment to Yale in June 2025 on the first anniversary of signing. Thereafter, the Company will also pay to Yale (1) up to $15.0 million if it secures approval of the first and second royalty products (as defined in the Amended License Agreement), (2) a low single digit percentage royalty on certain, more narrowly defined “collaboration products,” and (3) a lower single digit royalty on its aggregate worldwide net sales of certain newly defined “meaningfully involved products.” The Company’s obligations under the Original Agreement to pay Yale minimum annual royalties and certain other annual fees have been eliminated and Yale has agreed to release all claims arising previously under the Original Agreement. Other provisions of the Original Agreement remain materially unchanged under the Amended License Agreement, including the requirement to pay to Yale a minimum license maintenance royalty totaling $0.1 million per year until the first sale to a third party of any licensed product, followed by success-based milestones for the first two licensed products for the development of the protein degradation technologies totaling approximately $3.0 million for the first licensed product and approximately $1.5 million for the second licensed product, certain of which milestones have already been satisfied, and low single-digit royalties on aggregate worldwide net sales of certain licensed products, which may be subject to reductions, and subject to minimum royalty payments that range from $0.2 million to $0.5 million.

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