ReserveOne files second S-4 amendment with SEC for M3-Brigade merger
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ReserveOne Announces Filing of Second Amendment to Registration Statement on Form S-4 with the SEC for Proposed Business Combination with M3-Brigade Acquisition V Corp.
March 20, 2026 6:43 PM EDTNEW YORK, March 20, 2026 (GLOBE NEWSWIRE) -- ReserveOne, Inc. ("ReserveOne") and ReserveOne Holdings, Inc. ("Pubco") today announced that, in connection with the previously disclosed proposed business combination with M3-Brigade Acquisition V Corp. (NASDAQ: MBAVU, MBAV, MBAVW) ("M3-Brigade"), Pubco has publicly filed a second amendment to the registration statement on Form S-4 (the "Registration Statement") with the U.S. Securities and Exchange Commission (the "SEC").
This second amendment follows Pubco's previous public filings of the Registration Statement on December 5, 2025, and the first amendment filed on February 17, 2026, and reflects continued progress in the SEC review process. Subject to the... More



