ReserveOne files second S-4 amendment with SEC for M3-Brigade merger

ReserveOne Inc. and ReserveOne Holdings Inc. filed a second amendment to their registration statement on Form S-4 with the Securities and Exchange Commission for their proposed business combination with M3-Brigade Acquisition V Corp. (NASDAQ: MBAVU, MBAV, MBAVW).

The second amendment follows the initial registration statement filed December 5, 2025, and a first amendment filed February 17, 2026. The filing represents continued progress in the SEC review process, according to a company statement.

Upon completion of the SEC review process and satisfaction of closing conditions, including M3-Brigade shareholder approval, the combined entity expects to list on Nasdaq under the ticker symbol "RONE."

ReserveOne describes itself as a digital asset company focused on investing in cryptocurrency and blockchain infrastructure. The company plans to manage a portfolio of cryptocurrencies and digital assets while generating yield through staking, protocol participation, and venture investments.

M3-Brigade Acquisition V Corp. is a special purpose acquisition company targeting transformational growth companies in digital, energy, and infrastructure sectors. The SPAC is sponsored by MI7 Sponsor LLC, an affiliate of CC Capital, which also owns ReserveOne.

The registration statement contains a preliminary proxy statement for M3-Brigade and a prospectus for the public company relating to the proposed business combination. The document has not yet become effective and remains subject to change.

The information was disclosed in a press release statement from the companies.

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