RA CAPITAL MANAGEMENT, L.P. bought VOR

Footnotes

This option was granted to Dr. Andrew Levin pursuant to the Issuer's non-employee director compensation policy. The shares shall vest and become exercisable in a series of 36 successive equal monthly installments beginning on December 18, 2025, in each case subject to Dr. Levin's continued service as of each such date.; RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"). 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, 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.; Under Dr. Levin's arrangement with the Adviser, Dr. Levin holds the option for the benefit of the Fund. Dr. Levin 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 to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.