X0206 3 2021-07-29 0 0001739410 Rallybio Corp RLYB 0001207114 SHANNON TIMOTHY M C/O RALLYBIO CORPORATION 234 CHURCH STREET, SUITE 1020 NEW HAVEN CT 06510 1 0 0 0 Common Stock 2332789 I Canaan XI L.P. Option (Right to Buy) 13.00 2031-07-28 Common Stock 13440 D The reported securities are held directly by Canaan XI L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners XI LLC ("Canaan XI", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person is a manager and member of Canaan XI. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan XI. The option vests as to the underlying shares of Common Stock on the earlier of July 28, 2022 and the date of the first annual meeting of stockholders of the Issuer following the closing of its initial public offering. Exhibit List: Exhibit 24 - Power of Attorney By: /s/ Michael Greco, Attorney-in-Fact 2021-07-29