Custom Truck One Source, Inc. (NYSE: CIC) is the successor registrant to Capitol Investment Corp. IV, a blank-check company sponsored by Capitol Investment Management and associated with investors Mark Ein and Lawrence Calcano. The SPAC completed its initial public offering in 2020 and closed its business combination with Custom Truck One Source, a specialty rental and sales company serving the truck equipment and infrastructure services sector, in April 2021. The combined company subsequently trades on the New York Stock Exchange under the ticker CTOS, while legacy SEC filings remain linked to the original SPAC registrant entity under CIC. The 8-K filed June 16, 2022 represents a post-merger periodic disclosure. Sign up at SpacDesk for full filing history, deal terms, and sponsor profiles on this and every active SPAC in the market.