Rocket Lab Corp, filing under the ticker VACQ, is the successor entity to Vector Acquisition Corporation, a blank-check company sponsored by Vector Capital that completed its initial public offering in 2021 with a focus on the aerospace and space technology sector. The company submitted an 8-K current report to the Securities and Exchange Commission on May 21, 2026, under accession number 0001819994-26-000048. Vector Acquisition Corporation previously completed its business combination with Rocket Lab USA, a commercial launch and space systems provider, bringing the company to public markets following its 2021 SPAC IPO. For full filing details, deal history, and real-time analytics across the SPAC market, sign up for a free SpacDesk account today.