ArcLight Clean Transition Corp

ArcLight Clean Transition Corp, sponsored by ArcLight Capital Partners and focused on the clean energy and sustainable transportation sector, completed its IPO in 2020 and subsequently merged with Proterra, an electric bus and EV charging infrastructure company, with the combined entity trading under the ticker PTRA on Nasdaq. Proterra filed for Chapter 11 bankruptcy protection in August 2023 amid sustained financial pressure across the electric vehicle industry. In March 2024, the company filed a Form 15-12G with the SEC to terminate its reporting obligations under Section 12(g) of the Exchange Act, formally concluding its public reporting lifecycle. For complete deal history, filing timelines, and SPAC analytics on PTRA, sign up for full data on SpacDesk.