Rocket Lab Corp

Vector Acquisition Corporation, which traded under the ticker VACQ, was a blank-check company sponsored by Vector Capital that completed its initial public offering in 2020 with a focus on the aerospace and space technology sector. The SPAC successfully merged with Rocket Lab USA in August 2021, with the combined company subsequently listing on Nasdaq under the ticker RKLB. On August 26, 2026, a 424B3 prospectus supplement (accession 0001753926-26-001639) was filed with the SEC under the Rocket Lab Corp name, reflecting ongoing registered securities activity tied to the original SPAC transaction. Readers seeking full filing history, deal timelines, and sponsor analytics for VACQ and comparable transactions can sign up for complete data access at SpacDesk.