Thunder Bridge Capital Partners III Inc. (Nasdaq: TBCP), a blank-check company sponsored by Thunder Bridge Capital Partners and focused on the technology and financial services sectors, completed its lifecycle as a registered public entity with the filing of a Form 15-12G on December 22, 2023, terminating its registration under Section 12(g) of the Securities Exchange Act. The vehicle raised capital through its initial public offering in 2021 as part of the broader Thunder Bridge SPAC franchise, which has sponsored multiple acquisition vehicles since the late 2010s. The 15-12G filing marks the formal conclusion of TBCP's reporting obligations with the SEC. Visit SpacDesk and sign up for full data on TBCP, including deal history, filing timelines, and sponsor track record.