Millstream II Acquisition Corp (SEC CIK 0001304562) is a blank-check company formed during the early wave of modern SPACs, with its December 2006 DEFA14A filing indicating the vehicle was in an active proxy solicitation phase consistent with a pending business combination vote. The "II" designation marks it as the second acquisition vehicle from the Millstream sponsor group, a structure common among repeat SPAC sponsors of that era. The filing, accession number 0000950144-06-011653, represents supplemental definitive proxy material submitted to the SEC as part of shareholder communications related to a proposed transaction. As a 2005–2006 vintage vehicle, Millstream II operated under the pre-2010 SPAC structure that preceded modern regulatory refinements. Sign up at SpacDesk for the full filing history, deal timeline, and sponsor data on Millstream II and thousands of other SPAC vehicles.