Stardust Power Inc., trading under the ticker SDST, is a domestic lithium refining company that entered the public markets through a de-SPAC merger with Goldenstone Acquisition Limited, a blank-check vehicle that completed its IPO in 2022 targeting the clean energy and battery materials sector. Goldenstone Acquisition was sponsored by Goldenstone Capital Management. The combined company, now operating as Stardust Power Inc., is focused on building lithium refinery infrastructure in the United States to support the domestic electric vehicle battery supply chain. The company filed an 8-K current report with the SEC on May 8, 2026, under accession number 0001493152-26-022006. For complete filing history, deal terms, sponsor economics, and real-time SPAC analytics on SDST, sign up for full data access at SpacDesk.