Seaport Global Acquisition II Corp. Class A Common Stock. Replay the stock market charts of SGII day by day, back to 2003. Open long and short positions without spending any money. Seaport Global Acquisition II Corp. does not have significant operations. It focuses on effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses. The company was incorporated in 2021 and is based in New York, New York.