X0306 4 2016-09-14 0 0001520697 Acadia Healthcare Company, Inc. ACHC 0001421620 WAUD REEVE B C/O WAUD CAPITAL PARTNERS, L.L.C. 300 N. LASALLE STREET, SUITE 4900 CHICAGO IL 60654 1 0 0 0 Common stock, par value $0.01 per share 2016-09-14 4 S 0 83861 50.19 D 8615067 I See footnotes Common stock, par value $0.01 per share 2016-09-14 4 S 0 46302 50.19 D 8568765 I See footnotes Common stock, par value $0.01 per share 2016-09-15 4 S 0 223640 49.24 D 8345125 I See footnotes Common stock, par value $0.01 per share 2016-09-15 4 S 0 123473 49.24 D 8221652 I See footnotes Common stock, par value $0.01 per share 2016-09-16 4 S 0 521033 47.74 D 7700619 I See footnotes Common stock, par value $0.01 per share 2016-09-16 4 S 0 287668 47.74 D 7412951 I See footnotes Common stock, par value $0.01 per share 2016-09-16 4 S 0 75000 50.76 D 7337951 I See footnotes Common stock, par value $0.01 per share 55673 D Represents shares sold in multiple transactions under Rule 144 as follows: (i) 15,785 shares by Waud Capital Partners II, L.P. ("WCP II"), (ii) 47,664 shares by Waud Capital Partners QP II, L.P. ("Waud QP II"), (iii) 10,084 shares by WCP FIF II (Acadia), L.P. ("WCP FIF II") and (iv) 10,328 shares by Waud Capital Affiliates II, L.L.C. ("Waud Affiliates II"). 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 $50.00 to $50.54, inclusive. The reporting persons undertake 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 within the ranges set forth in Footnotes (1) and (3) to this Form 4. Represents shares sold in market transactions under Rule 144 as follows: (i) 1,154 shares by Waud Capital Partners III, L.P. ("WCP III"), (ii) 25,449 shares by Waud Capital Partners QP III, L.P. ("Waud QP III"), (iii) 14,397 shares by WCP FIF III (Acadia), L.P. ("WCP FIF III") and (iv) 5,302 shares by Waud Capital Affiliates III, L.L.C. ("Waud Affiliates III"). Represents shares sold in multiple transactions under Rule 144 as follows: (i) 42,095 shares by WCP II, (ii) 127,109 shares by Waud QP II, (iii) 26,893 shares by WCP FIF II and (iv) 27,543 shares by Waud Affiliates II. 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 $49.00 to $49.67, inclusive. The reporting persons undertake 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 within the ranges set forth in Footnotes (4) and (6) to this Form 4. Represents shares sold in market transactions under Rule 144 as follows: (i) 3,077 shares by WCP III, (ii) 67,867 shares by Waud QP III, (iii) 38,394 shares by WCP FIF III and (iv) 14,135 shares by Waud Affiliates III. Represents shares sold as follows: (i) 98,073 shares by WCP II, (ii) 296,136 shares by Waud QP II, (iii) 62,655 shares by WCP FIF II and (iv) 64,169 shares by Waud Affiliates II. Represents shares sold as follows: (i) 7,170 shares by WCP III, (ii) 158,116 shares by Waud QP III, (iii) 89,451 shares by WCP FIF III and (iv) 32,931 shares by Waud Affiliates III. Represents shares sold in multiple transactions under Rule 144 by the Halcyon Exempt Family Trust (the "Halcyon Trust"). 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 $50.70 to $51.12, 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 within the ranges set forth in Footnote (9) to this Form 4. Waud Capital Partners Management II, L.P. ("WCPM II") is the general partner of WCP II, WCP QP II and WCP FIF II and the manager of Waud Affiliates II. Waud Capital Partners II, L.L.C. ("WCP II LLC") is the general partner of WCPM II. Waud Capital Partners Management III, L.P. ("WCPM III") is the general partner of WCP FIF III, WCP QP III and WCP III and the manager of Waud Affiliates III. Waud Capital Partners III, L.L.C. ("WCP III LLC") is the general partner of WCPM III. Mr. Waud is the investment advisor of the Halcyon Trust of which Mr. Waud's children are beneficiaries. The shares are owned of record as follows: (i) 1,141,420 shares by WCP II, (ii) 2,086,697 shares by WCP QP II, (iii) 676,113 shares by the Halcyon Trust, (iv) 83,530 shares by Waud Family Partners, L.P. ("WFP LP"), (v) 318,466 shares by WCP FIF II, (vi) 326,164 shares by Waud Affiliates II, (vii) 167,388 shares by Waud Affiliates III, (viii) 454,671 shares by WCP FIF III, (ix) 1,036,001 shares by WCP QP III, (x) 183,205 shares by WCP III, (xi) 33,333 shares by Melissa W. Waud, Mr. Waud's wife, (xii) 35,296 shares by Waud Capital Partners, L.L.C. ("WCP LLC"), and (xii) 795,667 shares by Crystal Cove LP. Mr. Waud may be deemed to beneficially own the shares of common stock reported herein by virtue of (A) his making decisions for the Limited Partner Committee of each of WCPM II and WCPM III, (B) his being the manager of WCP II LLC and WCP III LLC, (C) his being the general partner of WFP LP, (D) his being the investment advisor of the Halcyon Trust of which Mr. Waud's children are beneficiaries, (E) his being married to Ms. Waud, (F) his being the sole manager of WCP LLC and (G) his being the general partner of Crystal Cove LP. Mr. Waud expressly disclaims beneficial ownership of the reported shares except to the extent of his pecuniary interest therein. /s/ Reeve B. Waud 2016-09-16