TYB
ADS-B filtered by the well heeled big wheels between 42,000 and 60,000 feet over CONUS tonight yields only one result. From Jackson Hole back to Sunny Isles, Florida. Presumably. N352BH, a 1999 GULFSTREAM AEROSPACE G-IV owned by GLE 1393 LLC SUNNY ISLES , FL. This is a Michael Dezer company.
https://flightaware.com/resources/registration/N352BH
https://www.corporationwiki.com/Florida/Sunny-Isles-Beach/gle-1393-llc/109007063.aspx
https://en.wikipedia.org/wiki/Michael_Dezer