FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * WAUD REEVE B   2. Issuer Name and Ticker or Trading Symbol Acadia Healthcare Company, Inc. [ACHC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 300 N. LASALLE STREET, SUITE 4900 3. Date of Earliest Transaction (Month/Day/Year) 03/02/2018 (Street) CHICAGO, IL 60654 4. If Amendment, Date 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 (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock, par value $0.01 per share 03/02/2018   S   17,750 (1) D $ 37.69 (2) 1,075,878 I See Footnotes (8) (9) Common Stock, par value $0.01 per share 03/02/2018   S   70,141 (1) D $ 38.19 (3) 1,005,737 I See Footnotes (8) (9) Common Stock, par value $0.01 per share 03/02/2018   S   61,029 (1) D $ 39.49 (4) 944,708 I See Footnotes (8) (9) Common Stock, par value $0.01 per share 03/02/2018   S   1,080 (1) D $ 39.92 (5) 943,628 I See Footnotes (8) (9) Common Stock, par value $0.01 per share 03/06/2018   S   50,000 (1) D $ 40.07 (6) 893,628 (7) I See Footnotes (8) (9) Common Stock, par value $0.01 per share               10,088 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
WAUD REEVE B 300 N. LASALLE STREET, SUITE 4900 CHICAGO, IL 60654	X

Signatures

/s/ Reeve B. Waud		03/06/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(1)	Represents shares sold pursuant to a Rule 10b-5 plan adopted by the Halcyon Exempt Family Trust (the "Halcyon Trust") on December 14, 2017.
(2)	The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions under Rule 144 at prices ranging from $36.90 to $37.88, inclusive. The reporting person undertakes to provide to Acadia Healthcare Company, Inc., any security holder of Acadia Healthcare Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
(3)	The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions under Rule 144 at prices ranging from $37.90 to $38.84, inclusive. The reporting person undertakes to provide to Acadia Healthcare Company, Inc., any security holder of Acadia Healthcare Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
(4)	The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions under Rule 144 at prices ranging from $38.91 to $39.90, inclusive. The reporting person undertakes to provide to Acadia Healthcare Company, Inc., any security holder of Acadia Healthcare Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
(5)	The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions under Rule 144 at prices ranging from $39.91 to $39.96, inclusive. The reporting person undertakes to provide to Acadia Healthcare Company, Inc., any security holder of Acadia Healthcare Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
(6)	The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions under Rule 144 at prices ranging from $40.00 to $40.29, inclusive. The reporting person undertakes to provide to Acadia Healthcare Company, Inc., any security holder of Acadia Healthcare Company, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
(7)	The shares are owned of record as follows: (i) 455,912 shares by the Halcyon Trust, (ii) 33,333 shares by Melissa W. Waud, Mr. Waud's wife, (iii) 37,493 shares by Waud Capital Partners, L.L.C. ("WCP LLC"), (iv) 183,445 shares by the Reeve B. Waud Jr. 2012 Family Trust (the "2012 RBW Jr Family Trust"), and (v) 183,445 shares by the Cecily R.M. Waud 2012 Family Trust (the "2012 CRMW Family Trust").
(8)	Mr. Waud may be deemed to beneficially own the shares of common stock reported herein by virtue of (A) his being the investment advisor of the Halcyon Trust of which Mr. Waud's children are beneficiaries, (B) his being married to Ms. Waud, (C) his being the sole manager of WCP LLC, and (D) his being the investment advisor of the 2012 RBW Jr Family Trust and the 2012 CRMW Family Trust of which Mr. Waud's grandchildren are beneficiaries.
(9)	Mr. Waud expressly disclaims beneficial ownership of the reported shares except to the extent of his pecuniary interest therein.

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