Results of Operations and Financial Condition. On July 28, 2026, Acadia Healthcare Company, Inc. (the “Company”) issued a press release announcing, among other things, the Company’s operating and financial results for the second quarter ended June 30, 2026. The press release is furnished herewith as Exhibit 99.1 hereto and is incorporated herein by reference.

of this Current Report on Form 8-K, including the information in Exhibit 99.1 and Exhibit 99.2 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Cautionary No…

Other Events. San Diego Health Alliance, Inc. d/b/a Fashion Valley CTC (“Fashion Valley”), an indirect subsidiary of Acadia Healthcare Company, Inc. (the “Company”), is a defendant in an employment-related lawsuit filed in the Superior Court of San Diego County, California. Fashion Valley operates a comprehensive treatment center where a former employee who was terminated in October 2023 filed suit alleging retaliatory termination. Fashion Valley vehemently denied the allegations and asserted…

Results of Operations and Financial Condition. On April 29, 2026, Acadia Healthcare Company, Inc. (the “Company”) issued a press release announcing, among other things, the Company’s operating and financial results for the first quarter ended March 31, 2026. The press release is furnished herewith as Exhibit 99.1 hereto and is incorporated herein by reference.

of this Current Report on Form 8-K, including the information in Exhibit 99.1 and Exhibit 99.2 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Cautionary No…

Chief Financial Officer — Todd Young: Todd Young resigned as Chief Financial Officer without a named successor.

Director — Wade Miquelon: Mr. Miquelon retired from the Board of Directors and was succeeded by Daniel Cancelmi.

of this Current Report on Form 8-K, including the information in Exhibit 99.1 and Exhibit 99.2 hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Cautionary No…

Results of Operations and Financial Condition. On February 25, 2026, Acadia Healthcare Company, Inc. (the “Company”) issued a press release announcing, among other things, the Company’s operating and financial results for the fourth quarter and year ended December 31, 2025. The press release is furnished herewith as Exhibit 99.1 hereto and is incorporated herein by reference.

CEO — Christopher H. Hunter: The CEO departed the company and resigned from the board, constituting a significant loss of senior leadership.

CEO — Christopher H. Hunter: The CEO departed but was immediately succeeded by a former CEO and board member, indicating an orderly succession rather than a sudden loss of leadership.

of this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Cautionary Note Regarding Forward-Looking Statements This Current Report on Form…

Results of Operations and Financial Condition. To the extent applicable, the information set forth in

Regulation FD Disclosure. On November 7, 2025, Acadia Healthcare Company, Inc. (“Acadia” or “the Company”) agreed to settle Acadia’s previously disclosed securities litigation in the United States District Court for the Middle District of Tennessee (the “District Court”), St. Clair County Employees’ Retirement System v. Acadia Healthcare Company, Inc., et al., Case No. 3:19-cv-00988 (the “Case”). The settlement will fully resolve the Case and will include a release, with no admission or findi…

Results of Operations and Financial Condition. On November 5, 2025, Acadia Healthcare Company, Inc. (“Acadia” or the “Company”) issued a press release announcing, among other things, Acadia’s operating and financial results for the third quarter ended September 30, 2025. The press release is furnished herewith as Exhibit 99 hereto and is incorporated herein by reference.

COO — Dr. Nasser Khan: The resignation of the Chief Operating Officer is a significant loss of a senior executive, even with a transition period and separation agreement.

Chief Financial Officer — Todd Young: Appointment of Todd Young as Chief Financial Officer

in this Current Report on Form 8-K is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. Forward-Looking Information This Current Report on Form 8-K contains “forward-loo…

Results of Operations and Financial Condition. On August 5, 2025, Acadia Healthcare Company, Inc. (“ Acadia ” or the “ Company ”) issued a press release announcing, among other things, Acadia’s operating and financial results for the second quarter ended June 30, 2025. The press release is furnished herewith as Exhibit 99 hereto and is incorporated herein by reference.

CFO — Heather Dixon: The CFO resigned but an internal interim successor was immediately appointed, indicating an orderly transition rather than a sudden loss of leadership.

Results of Operations and Financial Condition. On May 12, 2025, Acadia Healthcare Company, Inc. (“Acadia”) issued a press release announcing, among other things, Acadia’s operating and financial results for the first quarter ended March 31, 2025. The press release is furnished herewith as Exhibit 99 hereto and is incorporated herein by reference.

Other Events On March 5, 2025, the Company issued a press release to announce the launch of the Offering. A copy of the press release is filed hereto as Exhibit 99.1 and is incorporated by reference herein. On March 6, 2025, the Company issued a press release to announce the pricing of the Notes. A copy of the press release is filed hereto as Exhibit 99.2 and is incorporated by reference herein. Cautionary Statement Regarding Forward-Looking Statements This Current Report on Form 8-K and the…

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant To the extent applicable, the information set forth in

Entry into a Material Definitive Agreement On March 10, 2025, Acadia Healthcare Company, Inc. (the “Company”), entered into an Indenture, dated as of March 10, 2025 (the “Indenture”), by and among the Company, the guarantors party thereto (the “Guarantors”) and U.S. Bank National Association, as trustee (the “Trustee”), in connection with the sale and issuance of $550 million aggregate principal amount of 7.375% Senior Notes due 2033 (the “Notes”) to J.P. Morgan Securities LLC and certain oth…

Entry into a Material Definitive Agreement On February 28, 2025 (the “Closing Date”), Acadia Healthcare Company, Inc. (the “Company”) entered into a new Credit Agreement (the “Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent, and certain lender parties thereto. The Credit Agreement provides for a $1 billion senior secured revolving credit facility (including a $50 million sublimit for the issuance of letters of credit and a $50 million swingline subfacility) (the “Re…