Praetorian Acquisition Corp. (PTOR) filed an amended registration statement (S-1/A) with the SEC on January 20, 2026, advancing its blank-check vehicle toward a planned initial public offering in 2026. The S-1/A represents a revision to the company's original registration filing, a routine step as a SPAC refines its offering terms and disclosures ahead of pricing. Sponsor details and a stated target acquisition sector were not available in the filing metadata provided for this report. As PTOR works through the SEC review process, market participants tracking the active SPAC pipeline are monitoring subsequent amendments for additional disclosures. Sign up at SpacDesk for full filing data, sponsor profiles, and real-time alerts on PTOR and the broader SPAC market.