IronNet, Inc., carrying the SPAC ticker DFNS, is associated with LGL Systems Acquisition Corp., a blank check company sponsored by LGL Systems that completed its IPO in 2019 targeting the cybersecurity and defense technology sector. The August 2020 quarterly filing captures the vehicle during its pre-merger search phase. LGL Systems Acquisition Corp. subsequently combined with IronNet Cybersecurity, a network defense firm co-founded by former NSA Director General Keith Alexander, with the merged entity trading under the ticker IRNT. IronNet encountered severe financial headwinds following the transaction and filed for Chapter 7 bankruptcy in 2023, ceasing operations as a public company. Sign up for full SPAC filing history, sponsor data, and deal analytics at SpacDesk.