[Form 3] Acadia Healthcare Company, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Timothy Sides, Interim CFO of Acadia Healthcare (ACHC), reports direct beneficial ownership of 30,661 shares of common stock and ownership of stock options covering 4,825 underlying shares. The options include grants exercisable in 2022, 2023, and 2024 with exercise prices of $57.14, $53.40, and $80.87 and expirations in 2031, 2032, and 2033 respectively. Several equity awards have staggered vesting schedules that begin in 2026 and extend up to three years.

Insights

Securities Analyst

TL;DR: Routine Form 3 showing an executive's direct share ownership and time‑based option grants, not a material change to capital structure.

The filing documents that the Interim CFO directly owns 30,661 common shares and holds options for 4,825 shares with specified exercise prices and long‑dated expirations. Vesting schedules are time‑based and spread across 2026–2028, indicating retention incentives rather than immediate dilution. This is a standard insider disclosure under Section 16.

Corporate Governance Expert

TL;DR: Disclosure reflects executive compensation design with multi‑year vesting, aligning management with shareholder timelines.

The reported grants include multiple staggered vesting tranches (some vesting over two or three years), which suggests the company is using time‑based equity to retain executive leadership. All holdings are reported as direct, and no indirect holdings or related‑party arrangements are disclosed. The filing contains the required Power of Attorney remark for signature execution.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Sides Timothy August

(Last) (First) (Middle)

ACADIA HEALTHCARE COMPANY, INC.

6100 TOWER CIRCLE, SUITE 1000

(Street)

FRANKLIN TN 37067

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
08/16/2025

3. Issuer Name and Ticker or Trading Symbol
Acadia Healthcare Company, Inc. [ ACHC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Interim CFO

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	30,661(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option	03/31/2022	03/31/2031	Common Stock	775	$57.14	D
Stock Option	02/25/2023(2)	02/25/2032	Common Stock	1,550	$53.4	D
Stock Option	02/21/2024(3)	02/21/2033	Common Stock	2,500	$80.87	D

Explanation of Responses:

1. 625 shares will vest on February 25, 2026, 1,875 shares will vest on April 29, 2026, 1,000 shares will vest over a 2-year period in equal yearly installments beginning February 21, 2026, 5,000 shares will vest over a 2-year period in equal yearly installments beginning July 25, 2026, 2,998 shares will vest over a 2-year period in equal yearly installments beginning March 29, 2026, and 13,419 shares will vest over a 3-year period in equal yearly installments beginning March 10, 2026.

2. 775 of these stock options will vest on February 25, 2026.

3. 1,250 of these stock options will vest over a 2-year period in equal yearly installments beginning February 21, 2026.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Brian Farley as Attorney in Fact for Timothy Sides	08/25/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many shares of ACHC does Timothy Sides directly own?

The filing shows 30,661 shares of Acadia Healthcare common stock held directly.

What stock options does Timothy Sides hold for ACHC?

He holds options exercisable into 775, 1,550, and 2,500 shares (total 4,825) with exercise prices of $57.14, $53.40, and $80.87.

When do the reported option grants expire?

The option expirations are shown as 03/31/2031, 02/25/2032, and 02/21/2033.

Are the reported equity awards subject to vesting?

Yes. Multiple tranches have time‑based vesting schedules beginning in 2026, including two‑ and three‑year installment vesting for several awards.

Does the Form 3 indicate indirect ownership or related‑party arrangements?

No. All reported holdings are listed as Direct (D) and no indirect beneficial ownership is disclosed.