IPOS-1/A filedSubsea Robotics Firm Nauticus Robotics Files S-1/A Amid Defense-Autonomy DemandNauticus Robotics, which builds autonomous subsea robots and the AI software that runs them, filed an amended S-1 (S-1/A) with the SEC. The filing rides a wave of investor appetite for autonomous maritime and defense systems, the same demand fueling private giants like Saronic.Jun 22, 2026