Plastron Acquisition Corp IV is a blank-check special purpose acquisition company registered with the SEC under CIK 0001526608. On November 18, 2014, the company filed a Form 15-12G, formally terminating its registration under Section 12(g) of the Securities Exchange Act and concluding its public reporting obligations. The "IV" designation indicates it was the fourth vehicle in a series launched by the same sponsoring group, consistent with a serial SPAC program active during the early 2010s. The termination filing did not disclose a sponsor identity or specific target-industry focus. For complete filing history, sponsor details, and deal-status data on Plastron Acquisition Corp IV and the broader SPAC universe, sign up for full access at SpacDesk.