Map of the St. Louis area showing the position and track of the aircraft described in the post.

🇺🇸 N544BA - Bombardier Challenger 650 - Boeing Executive Flight Operations RDN018 - 4.5 mi away @ 37300 ft, heading SW at 448 mph. Spotted 11x before! [12:37:55 PM CST] #A6E6E2 #N544BA #CL60 #RED_BARN #RDN018 #ADSB #ADSBbot