A Georgia businessman and Steak 'n Shake owner, Wayne Robinson, recently put up a billboard tribute to Charlie Kirk and fans have been flocking to that particular location to show their support. The billboard features a large photo of Kirk with the words, “Stand Up, Speak Out, Stay Bold.” At the bottom, it reads, “Paid for by Steak ’n Shake Rome.”Here’s where things get a little tricky. How Many Steak 'n Shake Locations Are in America? Charlie Kirk was shot and killed on Sept. 10, 2025. 14 Powerful Photos From Charlie Kirk’s Memorial Service An estimated 90,000 people attended Sunday's (Sept. 21) memorial for political activist Charlie Kirk at State Farm Stadium in Glendale, Ariz.