CBRE Acquisition Holdings, Inc. (ticker: AMPS) is a special purpose acquisition company sponsored by CBRE Group, Inc., one of the world's largest commercial real estate and investment services firms. The company completed its initial public offering in 2020, targeting opportunities at the intersection of commercial real estate and sustainability. The SPAC subsequently combined with Altus Power, a commercial-scale clean energy developer, with the combined entity continuing to operate in the renewable energy sector under the AMPS ticker. In March 2025, the company filed a Definitive Proxy Statement for a Merger (Form DEFM14A) with the SEC, indicating shareholders are being asked to approve a subsequent business combination. Sign up at SpacDesk for complete filing history, deal timelines, and real-time analytics on AMPS and hundreds of other SPAC transactions.