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Subsequent Events
 9 Months Ended
Sep. 30, 2025
Subsequent Events [Abstract]  
Subsequent Events Subsequent Events
In October 2025, the Company achieved a $2.0 million development milestone under the BioAtla License Agreement, which the Company expects to pay to BioAtla in the fourth quarter of 2025.

On November 3, 2025, the Company entered into a License Agreement (the “CT-202 Lonza License Agreement”) with Lonza in connection with Lonza's development and manufacturing services with respect to CT-202. Under the terms of the CT-202 Lonza License Agreement, to the extent Lonza's technology is incorporated into CT-202, Lonza granted the Company a non-exclusive license to use certain proprietary Lonza intellectual property and systems for the Company to develop, manufacture and commercially exploit CT-202.

The Company shall pay certain royalties and annual payments in respect of the manufacturing and sale of CT-202, which amounts shall be determined by the party manufacturing CT-202 and include a potential annual payment of less than $500,000 and a royalty on net sales in a range between 0% and a low single digit percentage. The royalty payments and annual payments would be reduced in certain circumstances, including should the valid claims for any such patent rights not exist in the country in which CT-202 is being sold, and the royalty payments would expire upon the later of the expiration of the licensed patents in the country in which CT-202 is being sold, the expiration of the licensed patents in the country in which CT-202 is being manufactured, and ten years from the first commercial sales of CT-202 in such country of sale.

The CT-202 Lonza License Agreement continues until terminated, and the Company or Lonza may terminate the CT-202 Lonza License Agreement for uncured material breaches or insolvency of the other party. The Company can unilaterally terminate the CT-202 Lonza License Agreement with prior written notice to Lonza, and Lonza can also unilaterally terminate the CT-202 Lonza License Agreement upon certain actions by the Company.