0001520697 2026-03-09 2026-03-09 false 0001520697 8-K 2026-03-09 Acadia Healthcare Company, Inc. DE 001-35331 45-2492228 4020 Aspen Grove Drive Suite 900 Franklin TN 37067 (615) 861-6000 false false false false Common Stock, $0.01 par value ACHC NASDAQ false