OTR Acquisition Corp. (Nasdaq: OTRA) is a blank-check company that pursued its initial public offering in 2020, filing an S-1/A amendment with the SEC on October 26, 2020, under accession number 0001104659-20-118170. Formed as a special purpose acquisition company, OTRA was organized to identify and complete a merger or business combination with a target company, following the general-purpose SPAC structure prevalent during the 2020 class of blank-check vehicles. The S-1/A filing represented a late-stage amendment to the company's registration statement ahead of its public debut. For complete filing history, sponsor details, deal status, and real-time SPAC analytics on OTRA and hundreds of other vehicles, sign up for full data access at SpacDesk.