Viking Acquisition Corp I (Nasdaq: VACI) is a blank-check company that filed a Form F-4 registration statement with the Securities and Exchange Commission on June 25, 2026, accession number 0001213900-26-071664, signaling that the SPAC has entered the business-combination registration phase of its de-SPAC process. An F-4 is required when a SPAC registers shares to be issued to target-company shareholders as part of a proposed merger, marking a substantive milestone toward closing. VACI's sponsor has not been publicly identified in the current filing metadata available at time of publication. Investors and analysts tracking this transaction can sign up at SpacDesk for full filing-level data, deal timelines, and real-time alerts on VACI and the broader SPAC market.