First Reserve Sustainable Growth Corp. (Nasdaq: FRSG) was a blank-check company sponsored by First Reserve, a private equity firm with a long track record in energy and energy-related industries. FRSG completed its IPO in 2021, targeting acquisition opportunities in the sustainable energy and energy transition sectors. On March 20, 2023, the company filed a Form 15-12G with the SEC, signaling the voluntary termination of its Exchange Act registration under Section 12(g) and the cessation of its public reporting obligations — an outcome typically associated with liquidation following an inability to close a business combination within the allotted timeframe. For complete filing history, timeline data, and sponsor analytics on FRSG and hundreds of other SPACs, sign up for full access at SpacDesk.