Sky Harbour Group Corp completed its de-SPAC business combination through Yellowstone Acquisition Company, trading under the ticker YSAC, with a January 2022 filing marking a key disclosure milestone in that transaction. The blank-check vehicle, sponsored by Yellowstone Acquisition Sponsor LLC, an affiliate of Boston Omaha Corporation, conducted its IPO in 2020 targeting the aviation infrastructure sector. Sky Harbour develops and operates home-base hangar campuses for business aviation operators across the United States, representing a niche play within the broader aviation real estate and infrastructure industry. The combined company subsequently traded on NYSE American under the ticker SKYH following the close of the merger. Sign up at SpacDesk for the full filing history, shareholder data, and deal timeline on YSAC and hundreds of other SPAC transactions.