X0202 SCHEDULE 13G/A 0000904454-24-000439 0000200406 XXXXXXXX LIVE 1 Common Stock, $0.0001 par value 03/31/2026 0001739410 Rallybio Corporation 75120L209 234 Church Street Suite 1020 New Haven CT 06510 Rule 13d-1(c) Johnson & Johnson NJ 0.00 152901.00 0.00 152901.00 152901.00 N 2.9 CO Johnson & Johnson Innovation - JJDC, Inc. DE 0.00 152901.00 0.00 152901.00 152901.00 N 2.9 CO Rallybio Corporation 234 Church Street, Suite 1020, New Haven, CT 06510 This Amendment No. 1 to Schedule 13G is filed by Johnson & Johnson, a New Jersey corporation ("J&J") and Johnson & Johnson Innovation-JJDC, Inc., a Delaware corporation ("JJDC"). JJDC is a wholly-owned subsidiary of J&J. The securities reported herein as being held by J&J and JJDC are directly beneficially owned by JJDC and J&J may be deemed to indirectly beneficially own such securities. Reference is hereby made to the Schedule 13G filed with the Securities and Exchange Commission by the Reporting Persons with respect to the Common Stock of the Issuer on July 30, 2024 (the "Schedule 13G"). The agreement between the Reporting Persons to file jointly (the "Joint Filing Agreement") was filed as Exhibit A to the Schedule 13G. J&J: One Johnson & Johnson Plaza, New Brunswick, NJ 08933 JJDC: 410 George Street, New Brunswick, NJ 08901 J&J: NJ JJDC: DE Y The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. Percentage ownership is based on 5,289,675 shares of Common Stock outstanding as of March 6, 2026, as reported in the Issuer's Report on Form 10-K for the period ended December 31, 2025 filed with the Securities and Exchange Commission on March 16, 2026. The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. The information requested in this item is incorporated herein by reference to the cover pages to this Schedule 13G/A. N Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Johnson & Johnson /s/ Marc Larkins 04/13/2026 Johnson & Johnson Innovation - JJDC, Inc. /s/ Jill McManus 04/13/2026