Transaction Details

Footnotes

The shares subject to the option will vest in full on the earlier of June 25, 2026 or the date of the Issuer's 2026 annual meeting of stockholders, which date has not been set by the Issuer's board of directors, subject to Dr. Peter Kolchinsky's continuous service to the Issuer through the applicable vesting date. | RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund II, L.P. (the "Nexus Fund II"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, the Nexus Fund II, Dr. Kolchinsky and Mr. Shah disclaims beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein. | Dr. Kolchinsky is a Managing Partner of the Adviser who serves on the Issuer's board of directors. Under Dr. Kolchinsky 's arrangement with the Adviser, Dr. Kolchinsky holds the option for the benefit of the Fund and the Nexus Fund II. Dr. Kolchinsky is obligated to turn over to the Adviser any net cash or stock received upon exercise of the option, which will offset advisory fees owed by the Fund and the Nexus Fund II to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.