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 17, 2026 M3-Brigade Acquisition V Corp. (Exact name of registrant as specified in its charter) 1700 Broadway, 19th Floor, New York, New York 10019 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (212) 202-2200 Cayman Islands (Stat ...