Rallybio Announces Reverse Stock Split of Common Stock in Connection with the Proposed Merger with Avenzo

EAST BERLIN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB) today announced that it will effect a one-for-two reverse stock split of its issued and outstanding common stock in connection with the transactions contemplated by the Agreement and Plan of Merger and Reorganization, dated as of May 31, 2026, among Rallybio, Avenzo Therapeutics, Inc. (“Avenzo”) and Farmington Merger Sub, Inc., a wholly owned subsidiary of Rallybio (the “Merger Agreement”). At Rallybio’s Annual Meeting of