iStar Acquisition Corp. filed its S-1 registration statement with the U.S. Securities and Exchange Commission on November 13, 2007, placing it within the SPAC class that emerged during a period of elevated blank check company activity ahead of the 2008 financial crisis. The vehicle, registered under SEC CIK 0001418048, was organized as a special purpose acquisition company and bears branding associated with iStar Financial Inc., a publicly traded commercial real estate finance firm active at the time, suggesting a financial services or real estate finance sector focus. As a 2007-vintage SPAC, the filing predates the modern SPAC regulatory framework and reflects the sponsor-driven formation model prevalent in that era. Sign up on SpacDesk for full filing history, sponsor details, and deal outcome data on iStar Acquisition Corp. and thousands of other SPACs.