Pono Capital Four, Inc. is a blank-check special purpose acquisition company operating under the Pono Capital sponsor umbrella that filed an amended S-1 registration statement with the SEC on March 11, 2026, advancing its preparation for an initial public offering. The filing marks the fourth SPAC vehicle brought to market by the Pono Capital sponsorship group. As of the filing date, Pono Capital Four remained in the registration phase and had not yet been assigned a standard exchange ticker, appearing in SEC records under CIK 0002108164. The S-1/A amendment reflects ongoing disclosure refinements as the company progresses toward a 2026 IPO. For full filing history, sponsor track record, and deal-status tracking on Pono Capital Four, sign up for complete data access at SpacDesk.