UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 4, 2026 GRI BIO, INC. (Exact name of registrant as specified in its charter) Delaware 001-40034 82-4369909 (State or other jurisdiction (Commission File Number) (IRS Employer Identification No.) of incorporation) 2223 Avenida de la Playa, Suite 208 (Registrant's telephone number, inclu ...