Transaction Details

Footnotes

Acquisition of restricted stock units (RSUs) pursuant to the Issuer's Equity Incentive Plan. | The RSUs will vest in full on May 30, 2026. | The shares are held by Alta Partners NextGen Fund I, L.P. (APNG 1). The reporting person is a managing director of Alta Partners NextGen Fund I Management, LLC, which is the general partner of APNG 1. As such, the reporting person may be deemed to beneficially own the shares held by APNG 1. The reporting person disclaims beneficial ownership of such securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed to be an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise. | The shares subject to the stock option will vest and become exercisable in full on May 30, 2026.