Sustainable Development Acquisition I Corp. (Nasdaq: SDAC) is a blank-check company sponsored by Sustainable Development Capital LLC, a firm focused on clean energy and energy efficiency investment. SDAC completed its initial public offering in 2021 and listed on Nasdaq, targeting a business combination with a company operating in sustainable infrastructure, clean energy, or related environmental sectors. The Form 10-K filed with the SEC on April 7, 2023, covering fiscal year ended December 31, 2022, reflects the company's continued operation as a SPAC during that reporting period. SDAC was among a cohort of ESG-oriented blank-check vehicles that launched during the 2020–2021 SPAC surge. Sign up on SpacDesk for full filing histories, deal timelines, and analytics on SDAC and hundreds of other SPACs.