UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT PURSUANT

~~PURSUANT~~ TO SECTION 13 OR 15(d) OF THE

~~OF THE~~ SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): ~~January~~February 2025, 2026 (February 25, 2026)

Acadia Healthcare Company, Inc.

(Exact Name of Registrant as Specified in Its Charter)

Delaware	001-35331	45-2492228
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

4020 Aspen Grove Drive, Suite 900 Franklin, Tennessee		37067
(Address of Principal Executive Offices)		(Zip Code)

4020 Aspen Grove Drive, Suite 900

Franklin, Tennessee

(Address of Principal Executive Offices)

37067

(Zip Code)

(615) 861-6000

(Registrant’s Telephone Number, including Area Code)

~~6100~~Not ~~Tower Circle, Suite 1000~~Applicable

Franklin, Tennessee 37067

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (See General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol		Name of each exchange on which registered
Common Stock, $0.01 par value		ACHC		NASDAQ Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 52.02 Results ~~Departure~~ of ~~Directors~~Operations orand ~~Certain~~Financial ~~Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers~~Condition.

AsOn ~~previously~~February ~~disclosed~~25, ~~on January 20,~~ 2026 ~~(the “Effective Date”)~~, Acadia Healthcare Company, Inc. (~~“Acadia” or~~ the “Company”) ~~announced~~issued ~~that~~a ~~Christopher~~press H.release ~~Hunter~~announcing, ~~had~~among ~~departed~~other ~~from~~things, ~~his~~the ~~role~~Company’s asoperating ~~Chief~~and ~~Executive~~financial ~~Officer~~results offor ~~Acadia, effective as of~~ the ~~Effective~~fourth ~~Date.~~quarter Inand ~~connection~~year ~~with~~ended ~~his~~December ~~departure from Acadia~~31, Mr2025. ~~Hunter~~ ~~also~~The ~~resigned~~press ~~from~~release ~~Acadia’s~~is ~~Board~~furnished ofherewith ~~Directors,~~as ~~effective~~Exhibit as99.1 ofhereto ~~the~~and ~~Effective~~is ~~Date~~incorporated herein by reference.

InItem ~~connection with Mr~~7. ~~Hunter’s departure from his role as Chief Executive Officer of Acadia, Mr~~01. ~~Hunter~~ Regulation ~~and~~FD ~~Acadia Management Company, LLC, a Delaware limited liability company, entered into a separation and release agreement, dated as of the Effective Date (the “Separation Agreement”)~~Disclosure.

~~Pursuant~~The toCompany ~~the Separation Agreement, Mr. Hunter~~ will ~~receive~~conduct ~~the~~a ~~following~~conference ~~separation~~call ~~benefits: (i) he will remain eligible~~ to ~~earn~~discuss ~~his~~its ~~annual~~fourth ~~bonus~~quarter ~~for~~and ~~the~~year-end 2025 ~~calendar~~financial ~~year~~results ~~(with~~on ~~such amount~~Wednesday, ifFebruary ~~any~~25, to2026 ~~be determined and paid in accordance with his employment agreement~~ at ~~the~~9:00 ~~same~~a.m. ~~time~~Eastern ~~such annual bonuses are paid to other employees of the Company); (ii) an amount equal to 1~~Time.5 ~~times~~In ~~the~~discussing ~~sum of (x) his base salary and (y) his target annual bonus for~~ the 2025 calendar year, payable in substantially equal installments for 18 months following the Effective Date; (iii) an amount equal to the after-tax cost of premiums for continued health and dental insurance under the Company’s ~~group~~results, ~~health~~Company ~~plans~~representatives ~~for~~may ~~him~~refer ~~and~~to ~~his~~information ~~covered~~described ~~dependents~~on ~~for 18 months following~~ the ~~Effective~~slides ~~Date,~~furnished ~~payable~~with inthis ~~monthly~~Current ~~installments~~Report ~~over~~on ~~such~~Form 188-~~month~~K ~~period;~~as ~~(iv) a~~Exhibit ~~lump~~99.2. ~~sum~~The ~~cash~~live ~~payment~~broadcast ~~equal to $1,785,000 in respect~~ of ~~his cash retention bonus pursuant to that certain Retention Bonus Agreement entered into by and between Mr. Hunter and~~ the ~~Company,~~conference ~~dated~~call ~~as of January 14, 2025;~~ and ~~(v) a prorated portion of his outstanding performance-based restricted stock units (“PSUs”), determined based on~~ the ~~actual~~slides ~~number~~will ofbe ~~days~~available ~~elapsed during the applicable performance period~~ on ~~or before~~ the ~~Effective~~Company’s ~~Date~~website, ~~will~~www.acadiahealthcare.com, ~~remain~~by ~~outstanding~~clicking ~~and eligible to vest at the end of the applicable performance period based~~ on ~~actual achievement of~~ the ~~applicable~~“Investors” ~~performance conditions~~link. ~~Further,~~The ~~except~~webcast ~~with respect to the treatment~~ of the ~~foregoing~~conference ~~prorated~~call ~~PSUs,~~will ~~any~~be ~~unvested~~available ~~equity~~on ~~or equity-based awards held by Mr. Hunter as of~~ the ~~Effective~~Company’s ~~Date~~website ~~were immediately forfeited~~ for nothirty ~~consideration as of the Effective Date~~days.

MrThe information furnished pursuant to Item 2. ~~Hunter’s~~02 ~~receipt~~and Item 7.01 of ~~the~~this ~~aforementioned~~Current ~~separation~~Report ~~benefits~~on isForm ~~conditioned~~8-K, ~~upon~~including the ~~effectiveness~~information ofin aExhibit ~~general~~99.1 ~~release~~and ofExhibit ~~claims~~99.2 inhereto, ~~favor~~is ofbeing ~~Acadia~~furnished (and ~~certain~~shall not be deemed “filed” for purposes of ~~its~~Section ~~affiliates~~18 ~~and~~of ~~related~~the ~~parties~~Securities ~~including,~~Exchange ~~without~~Act ~~limitation~~of 1934, ~~Acadia~~as ~~Management~~amended ~~Company,~~(the ~~LLC~~“Exchange Act”), ~~that~~nor isshall ~~included~~it be deemed incorporated by reference in any filing under the ~~Separation~~Securities ~~Agreement~~Act of 1933, as ~~well~~amended (the “Securities Act”), or the Exchange Act, except as ~~Mr. Hunter’s~~shall ~~continued~~be ~~compliance~~expressly ~~with~~set ~~restrictive~~forth ~~covenants~~by specific reference in such filing.

~~The~~Cautionary ~~foregoing~~Note ~~description~~Regarding ofForward-Looking ~~the Separation Agreement is qualified in its entirety by the full text thereof, a copy of which is attached as Exhibit 10.1 and incorporated by reference herein.~~Statements

This Current Report on Form 8-K and the exhibits furnished herewith contain “forward-looking statements” within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act, including statements related to the Company’s strategy, growth and anticipated operating results. Generally, words such as “may,” “will,” “should,” “could,” “anticipate,” “expect,” “intend,” “estimate,” “plan,” “continue” and “believe” or the negative of or other variation on these and other similar expressions identify forward-looking statements. These forward-looking statements are made only as of the date of this report. The Company does not undertake to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. Forward-looking statements are based on current expectations and involve risks and uncertainties, and the Company’s future results could differ significantly from those expressed or implied by its forward-looking statements. Factors that may cause actual results to differ materially include, without limitation, (i) potential difficulties in successfully integrating the operations of acquired facilities or realizing the expected benefits and synergies of facility expansions, acquisitions, joint ventures and de novo transactions; (ii) the Company’s ability to add beds, expand services, enhance marketing programs and improve efficiencies at its facilities; (iii) potential reductions in payments received by the Company from government and commercial payors, including because of the significant changes to Medicaid financing mechanisms introduced by the One Big Beautiful Bill Act (the “OBBBA”) enacted on July 4, 2025; (iv) the occurrence of patient incidents, governmental investigations, litigation and adverse regulatory actions, which could adversely affect the price of the Company’s common stock and result in substantial payments and incremental regulatory burdens; (v) changes in expectations resulting from actuarial and other reviews of the Company’s liability reserves and other aspects of its business; (vi) the risk that the Company may not generate sufficient cash from operations to service its debt and meet its working capital and capital expenditure requirements; (vii) potential disruptions to the Company’s information technology systems or a cybersecurity incident; and (viii) potential operating difficulties, including, without limitation, disruption to the U.S. economy and financial markets; reduced admissions and patient volumes, including, without limitation, due to the OBBBA’s introduction of work or community engagement requirements in the Medicaid expansion population; increased costs relating to labor, supply chain and other expenditures; changes in competition and client preferences; and general economic or industry conditions that may prevent the Company from realizing the expected benefits of its business strategies. These factors and others are more fully described in the Company’s periodic reports and other filings with the Securities and Exchange Commission.

Description of Business

Unless the context otherwise requires, all references herein to “Acadia,” “the Company,” “we,” “us” or “our” mean Acadia Healthcare Company, Inc. and its consolidated subsidiaries. Acadia Healthcare Company, Inc. is a holding company whose direct and indirect subsidiaries own and operate acute inpatient psychiatric facilities, specialty treatment facilities, comprehensive treatment centers, residential treatment centers and facilities providing outpatient behavioral healthcare services to serve the behavioral healthcare and recovery needs of communities throughout the U.S. and Puerto Rico. The terms “facilities,” “centers,” “clinics” and “hospitals” refer to entities owned, operated or managed by subsidiaries of Acadia Healthcare Company, Inc. References herein to “employees” refer to employees of subsidiaries of Acadia Healthcare Company, Inc.

Item 9.01 Financial Statements and Exhibits.

(d)

Exhibits

1099.1 ~~Separation~~Press ~~and~~ Release ~~Agreement,~~of ~~dated~~Acadia ~~January~~Healthcare 20Company, ~~2026~~Inc., ~~between~~dated ~~Acadia~~February ~~Management Company~~25, ~~LLC and Christopher Hunter~~2026.

99.2	Slide Presentation, dated February 25, 2026.

104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: January 23, 2026			ACADIA HEALTHCARE COMPANY, INC.
	ACADIA HEALTHCARE COMPANY, INC.
			By:	/s/ Brian P. Farley
Date: February 25, 2026	By:	/s/ Todd Young
				Brian P. Farley
		Todd Young
				Executive Vice President, Secretary and General Counsel
		Chief Financial Officer

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