Vector Acquisition Corp, sponsored by private equity firm Vector Capital, completed one of the more prominent SPAC transactions in the aerospace sector when it merged with Rocket Lab USA, the New Zealand-founded small-launch and spacecraft manufacturer. The blank-check company held its IPO in 2020 and filed an S-1/A amendment on April 1, 2021 — accession 0001193125-21-104060 — as part of the registration process for the proposed business combination. The merger closed in August 2021, with Rocket Lab USA beginning to trade on Nasdaq under the ticker RKLB. The deal brought a commercial space launch and satellite services company into the public markets at a time of heightened investor interest in the space industry. Sign up at SpacDesk for full filing history, timeline data, and sponsor analytics on this and hundreds of other SPAC transactions.