IronNet, Inc. reached the public markets through its 2021 merger with LGL Systems Acquisition Corp. (ticker: DFNS), a blank-check vehicle sponsored by LGL Systems LLC that completed its IPO in 2020. The combined company operated in the cybersecurity sector, specializing in collective defense and network threat detection, and traded on the New York Stock Exchange under the symbol IRNT following deal close. Facing persistent capital shortfalls, IronNet filed for Chapter 11 bankruptcy protection in September 2023 and subsequently ceased operations; its January 2024 8-K filing reflects post-bankruptcy administrative activity. Sign up at SpacDesk for complete filing histories, SPAC deal analytics, and real-time monitoring across every de-SPAC transaction.