Millstream II Acquisition Corp, registered with the SEC under CIK 0001304562, was a blank check special purpose acquisition company active in the mid-2000s, representing an early generation of SPAC vehicles that preceded the modern blank check market boom. On December 20, 2006, the company filed a DEFA14A — additional definitive proxy materials — with the SEC, indicating a pending shareholder vote related to a proposed business combination. A confirmed exchange ticker symbol and sponsor name are not available in the provided public record. The December 2006 filing reflects the company at an active deal stage, consistent with year-end M&A timelines common among early-era SPACs. Sign up at SpacDesk for complete filing histories, sponsor details, and deal analytics across the full SPAC universe.