*
Less than one percent.
(1)
Consists of (i) 241,467 shares of common stock, 1,287,825 shares issuable upon the conversion of the Series Seed convertible preferred stock and 2,650,562 shares issuable upon the conversion of the Series A redeemable convertible preferred stock held by RA Capital Healthcare Fund, L.P., or RA Healthcare, (ii) 987,244 shares issuable upon conversion of the Series A redeemable convertible preferred stock held by RA Capital Nexus Fund, L.P., or RA Nexus, and (iii) 311,170 shares issuable upon conversion of the Series A redeemable convertible preferred stock held by Blackwell Partners LLC—Series A, or Blackwell. RA Capital Management, L.P., or RA Capital is the investment manager for RA Healthcare, RA Nexus and Blackwell. The general partner of RA Capital is RA Capital Management GP, LLC, or RA Capital GP, of which Peter Kolchinsky and Rajeev Shah are the managing members. RA Capital, RA Capital GP, Peter Kolchinsky and Rajeev Shah may be deemed to have voting and investment power over the shares held of record by RA Healthcare, RA Nexus and Blackwell. RA Capital, RA Capital GP, Peter Kolchinsky, and Rajeev Shah disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The address of RA Capital is 200 Berkeley Street, 18th Floor, Boston, Massachusetts 02116.
(2)
Consists of 3,401,544 shares issuable upon the conversion of the Series A redeemable convertible preferred stock held by Sofinnova Venture Partners X, L.P., or Sofinnova X. Sofinnova Management X, L.L.C., or Sofinnova Management, is the general partner of Sofinnova X. Maha Katabi, Ph.D., together with James I. Healy and Michael F. Powell, are the managing members of Sofinnova Management. Such individuals and Sofinnova Management may be deemed to beneficially own the shares owned by Sofinnova X. Such individuals and Sofinnova Management expressly disclaim beneficial ownership over all shares except to the extent of any pecuniary interest therein. The address for Sofinnova X and Sofinnova Management is 3000 Sand Hill Road, Building 4, Suite 250, Menlo Park, California 94025.
(3)
Consists of 2,568,165 shares issuable upon the conversion of the Series A redeemable convertible preferred stock held by Atlas Venture Fund XII, L.P., or Atlas Fund XII. The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P., or AVA XII LP. Atlas Venture Associates XII, LLC, or AVA XII LLC, is the general partner of AVA XII LP. David Grayzel, M.D. is a member of AVA XII LLC. Each of AVA XII LP, AVA XII LLC and Dr. Grayzel may be deemed to beneficially own the shares held by Atlas Fund XII. Each of AVA XII LP, AVA XII LLC and Dr. Grayzel expressly disclaim beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any. The address for AVA XII LP, AVA XII LLC and Atlas Fund XII is 300 Technology Sq., 8th Floor, Cambridge, MA 02139.
(4)
Consists of (i) 1,211,696 shares of common stock issuable upon conversion of the Series A redeemable convertible preferred stock held by Cormorant Private Healthcare Fund II, LP, or Fund II, and (ii) 318,995 shares of common stock issuable upon conversion of the Series A redeemable convertible preferred stock held by Cormorant Global Healthcare Master Fund, LP, or Master Fund. Cormorant Global Healthcare GP, LLC and Cormorant Private Healthcare GP II, LLC serve as the general partners of the Master Fund and Fund II, respectively. Cormorant Asset Management, LP serves as the investment manager to the Master Fund and Fund II. Bihua Chen serves as the managing member of Cormorant Global Healthcare GP, LLC, Cormorant Private Healthcare GP II, LLC and the general partner of Cormorant Asset Management, LP. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or his pecuniary interest therein. The address for each of the entities is 200 Clarendon Street, 52nd Floor, Boston Massachusetts 02116.
(5)
Consists of 1,020,462 shares issuable upon the conversion of the Series A redeemable convertible preferred stock held by Citadel Multi-Strategy Equities Master Fund Ltd., or Citadel. Citadel Advisors LLC, or Citadel Advisors, acts as the portfolio manager of Citadel. Citadel Advisors Holdings LP, or CAH, is the sole member of Citadel Advisors, and Citadel GP LLC, or CGP, is the general partner of CAH. Kenneth Griffin owns a controlling interest in CGP and may be deemed to share voting and dispositive power over shares held by Citadel. The address for this entity is c/o Citadel Advisors, 601 Lexington Avenue, New York, NY 10022.
(6)
Consists of 747,634 shares subject to options held by Mr. Noyes, none of which are vested and exercisable within 60 days of June 22, 2021.
(7)
Consists of 116,297 shares subject to options held by Mr. Iwicki, of which 8,140 shares are vested and exercisable within 60 days of June 22, 2021.
(8)
Consists of 498,421 shares subject to options held by Dr. Dake, of which 57,892 shares are vested and exercisable within 60 days of June 22, 2021.
(9)
Consists of 149,526 shares subject to options held by Mr. Eldridge, none of which are vested and exercisable within 60 days of June 22, 2021.
(10)
Consists of 166,139 shares subject to options held by Dr. Gillies, of which 18,087 shares are vested and exercisable within 60 days of June 22, 2021.
(11)
Consists of (i) 1,609 shares of common stock and (ii) 164,530 shares subject to options held by Dr. Niven, of which 16,176 are vested and exercisable within 60 days of June 22, 2021.
(12)
Includes 1,609 shares of our common stock and options to purchase 100,295 shares of common stock exercisable within 60 days of June 22, 2021 held by our executive officers and directors, as described in notes six (6) through eleven (11) above.