Debra K. Osteen - 20 Jan 2026 Form 4 Insider Report for Acadia Healthcare Company, Inc. (ACHC)

Role: Chief Executive Officer, Director
Signature: /s/ Brian Farley as Attorney in Fact for Debra K. Osteen
Issuer symbol: ACHC
Transactions as of: 20 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 21 Jan 2026, 16:34:50 UTC
Previous filing: 14 Dec 2023
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
OSTEEN DEBRA K	Chief Executive Officer, Director	4020 ASPEN GROVE DRIVE, SUITE 900, FRANKLIN	/s/ Brian Farley as Attorney in Fact for Debra K. Osteen	21 Jan 2026	0001181035

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ACHC	Stock Option (Right to Buy)	Award	$0	+1,125,000		$0.000000	1,125,000	20 Jan 2026	Common Stock	1,125,000	$11.68	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares underlying this Option will vest as follows: (i) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $25.00 (the "First Vesting Date"); (ii) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $35.00 (the "Second Vesting Date"); (iii) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $45.00 (the "Third Vesting Date"); (iv) 125,000 shares will vest upon the later of (x) the First Vesting Date and (y) January 20, 2027; (v) 125,000 shares will vest upon the later of (x) the Second Vesting Date and (y) January 20, 2027; and (vi) 125,000 shares will vest upon the later of (x) the Third Vesting Date and (y) January 20, 2027.

Content

The shares underlying this Option will vest as follows: (i) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $25.00 (the "First Vesting Date"); (ii) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $35.00 (the "Second Vesting Date"); (iii) 250,000 shares will vest upon achievement of a 30-day share price VWAP equal to at least $45.00 (the "Third Vesting Date"); (iv) 125,000 shares will vest upon the later of (x) the First Vesting Date and (y) January 20, 2027; (v) 125,000 shares will vest upon the later of (x) the Second Vesting Date and (y) January 20, 2027; and (vi) 125,000 shares will vest upon the later of (x) the Third Vesting Date and (y) January 20, 2027.