Thunder Bridge Acquisition II, Ltd. (Nasdaq: THBR), sponsored by Thunder Bridge Capital Partners II under the leadership of Gary Simanson, was a blank-check company that completed its initial public offering in 2020 targeting the technology sector. The SPAC pursued a business combination with Indie Semiconductor, a fabless semiconductor company specializing in automotive-grade chips for advanced driver assistance systems and connected vehicle applications. An 8-K filing dated May 19, 2021, with accession number 0001213900-21-027954, reflects activity in the period leading up to the completion of that transaction, which closed in mid-2021. The combined company trades under the ticker INDI. Sign up at SpacDesk for full filing history, deal timelines, and sponsor analytics on THBR and hundreds of other SPACs.