Nauticus Robotics, Inc. trades on Nasdaq under the ticker KITT following its business combination with CleanTech Acquisition Corp, a 2021-vintage blank-check company sponsored by CleanTech Capital Group. Focused on maritime robotics and autonomous ocean systems, Nauticus develops subsea robotic platforms and services for the offshore energy, defense, and commercial marine industries. The December 2021 Form 8-K/A — an amendment to a prior current report — was filed during the pre-close period before the transaction was finalized in September 2022, at which point the combined company began trading under the KITT ticker. For comprehensive filings, deal timelines, and sponsor data on KITT and hundreds of other SPAC transactions, sign up for full access at SpacDesk.