RMG Acquisition Corp. III

RMG Acquisition Corp. III, trading under the ticker RMGC and sponsored by RMG Partners, filed a Form 15-12G with the SEC on July 28, 2025, signaling the termination of its registration and suspension of its reporting obligations under the Securities Exchange Act. The filing marks the formal conclusion of the SPAC's registered life cycle. RMG III completed its initial public offering in 2021 and targeted opportunities in the energy transition and clean energy sectors, consistent with the broader RMG franchise's focus on sustainability-oriented businesses. The Form 15-12G accession number 0001213900-25-068029 is now part of the public record. Sign up at SpacDesk for full historical filings, timeline data, and sponsor analytics on RMGC and hundreds of other SPACs.