ACHC ACADIA HEALTHCARE COMPANY INC Management Changes 8-K Filing 2024 - Appointment and Retirement Acadia Healthcare Company, Inc. announced the appointment of Dr. Nasser Khan as Chief Operating Officer, the retirement of John S. Hollinsworth as Executive Vice President of Operations, and the approval of an amendment to the company's Certificate of Incorporation.Get access to all SEC 8-K filings of the ACADIA HEALTHCARE COMPANY INC