Vector Acquisition Corporation, ticker VACQ, was a blank-check company sponsored by Vector Capital, a technology-focused private equity firm, that completed its initial public offering in 2020 targeting the aerospace and space technology sector. The SPAC announced a business combination with Rocket Lab USA, a launch and space systems company, and successfully closed that de-SPAC transaction in August 2021, with the combined entity subsequently trading on Nasdaq under the ticker RKLB. The November 2021 8-K filing represents post-merger current reporting under the Rocket Lab Corp entity name, reflecting the company's transition from blank-check vehicle to operating public company. Visit SpacDesk and sign up for full filing history, sponsor profiles, and deal analytics on VACQ and hundreds of other SPACs.