v3.25.4
Related-party transactions
12 Months Ended
Dec. 31, 2025
Related-party transactions  
Related-party transactions

15. Related-party transactions

During the years ended December 31, 2025, 2024, and 2023, the Company received scientific advisory services from one of its prior executives, Dinah Sah, Ph.D., the Company’s former Chief Scientific Officer. The total amount of fees paid to Dr. Sah for services provided during the years ended December 31, 2025, 2024, and 2023, was $0.4 million, $0.7 million, and $0.7 million, respectively.

Under both the 2019 Neurocrine Collaboration Agreement and the 2023 Neurocrine Collaboration Agreement, the Company and Neurocrine have agreed to conduct research, development and commercialization activities for certain of the Company’s AAV gene therapy products (Note 9). Amounts due from Neurocrine are reflected as related party collaboration receivable. As of December 31, 2025, the Company recorded approximately $0.2 million in related party collaboration receivable relative to the 2019 Neurocrine Collaboration Agreement and the 2023 Neurocrine Collaboration Agreement. As of December 31, 2024, the Company recorded approximately $0.7 million in related party collaboration receivable relative to the 2019 Neurocrine Collaboration Agreement and the 2023 Neurocrine Collaboration Agreement.