Subsequent Events	3 Months Ended
Dec. 31, 2024
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS As previously disclosed, on November 25, 2024, the Company and Sarepta entered into the Sarepta Collaboration Agreement for the co-development and commercialization of multiple clinical and preclinical programs in rare, genetic diseases of the muscle, central nervous system, and lungs. The Company also entered into a Stock Purchase Agreement with an affiliate of Sarepta for a private placement of shares of common stock of the Company. On February 7, 2025, after receipt of clearance under the Hart-Scott Rodino Antitrust Improvements Act, the transactions contemplated by the Sarepta Collaboration Agreement and the Stock Purchase Agreement closed. Upon closing, the Company received $325.0 million for the purchase of 11,926,301 shares of common stock, at a price per share of $27.25 and will receive $500.0 million as an upfront payment under the Sarepta Collaboration Agreement. The Company and an affiliate of Sarepta also entered into the previously-disclosed Investor Rights Agreement at closing.

Subsequent Events

3 Months Ended

Dec. 31, 2024

SUBSEQUENT EVENTS

As previously disclosed, on November 25, 2024, the Company and Sarepta entered into the Sarepta Collaboration Agreement for the co-development and commercialization of multiple clinical and preclinical programs in rare, genetic diseases of the muscle, central nervous system, and lungs. The Company also entered into a Stock Purchase Agreement with an affiliate of Sarepta for a private placement of shares of common stock of the Company. On February 7, 2025, after receipt of clearance under the Hart-Scott Rodino Antitrust Improvements Act, the transactions contemplated by the Sarepta Collaboration Agreement and the Stock Purchase Agreement closed. Upon closing, the Company received $325.0 million for the purchase of 11,926,301 shares of common stock, at a price per share of $27.25 and will receive $500.0 million as an upfront payment under the Sarepta Collaboration Agreement. The Company and an affiliate of Sarepta also entered into the previously-disclosed Investor Rights Agreement at closing.