0001739410-24-000019.txt : 20240216 0001739410-24-000019.hdr.sgml : 20240216 20240216182136 ACCESSION NUMBER: 0001739410-24-000019 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240215 FILED AS OF DATE: 20240216 DATE AS OF CHANGE: 20240216 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MACKAY MARTIN CENTRAL INDEX KEY: 0001414815 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40693 FILM NUMBER: 24649979 MAIL ADDRESS: STREET 1: PFIZER INC ATTN CORPORATE SECRETARY STREET 2: 235 EAST 42ND STREET CITY: NEW YORK STATE: NY ZIP: 10017 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Rallybio Corp CENTRAL INDEX KEY: 0001739410 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 851083789 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 234 CHURCH STREET STREET 2: SUITE 1020 CITY: NEW HAVEN STATE: CT ZIP: 06510 BUSINESS PHONE: 203- 859-3820 MAIL ADDRESS: STREET 1: 234 CHURCH STREET STREET 2: SUITE 1020 CITY: NEW HAVEN STATE: CT ZIP: 06510 FORMER COMPANY: FORMER CONFORMED NAME: Rallybio Holdings, LLC DATE OF NAME CHANGE: 20180502 4 1 wk-form4_1708125672.xml FORM 4 X0508 4 2024-02-15 0 0001739410 Rallybio Corp RLYB 0001414815 MACKAY MARTIN C/O RALLYBIO CORPORATION 234 CHURCH STREET, SUITE 1020 NEW HAVEN CT 06510 1 1 0 0 Executive Chairman 0 Option (Right to Buy) 1.86 2024-02-15 4 A 0 216000 0 A 2034-02-15 Common Stock 216000 216000 D The option is granted under the Company's 2021 Equity Incentive Plan. The option vests in 48 equal monthly installments until fully vested on February 15, 2028. /s/ Michael Greco, Attorney-in-Fact 2024-02-16