# Acadia Healthcare Company, Inc.: filings

ACHC · Nasdaq · CIK 1520697 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/achc.md) · [Financials](/companies/achc/financials.md) · [Filings](/companies/achc/filings.md) · [Insiders](/companies/achc/insiders.md)

## Reports and events: 298 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 671, 8-K 196, 3 61, SC 13G/A 52, 10-Q 45, CORRESP 27, UPLOAD 24, DEFA14A 18, DEF 14A 16, 10-K 15, SC 13G 14, 5 11, SCHEDULE 13G/A 11, EFFECT 10, SC 13D/A 10, 144 9, 425 9, 424B3 8, 424B5 8, ARS 8, S-4 7, S-8 6, 424B7 5, FWP 5, SCHEDULE 13G 5, 8-K/A 4, S-4/A 4, SC 13D 4, 4/A 3, PRE 14A 3, S-1/A 3, 144/A 2, S-1 2, S-3ASR 2, SCHEDULE 13D/A 2, 424B1 1, 424B4 1, 8-A12B 1, CERTNAS 1, POS AM 1, S-3 1, S-3/A 1, SCHEDULE 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-25 | 20:12 ET | [8-K](/filings/0001437749-26-031225.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-26-031225 |
| 2026-07-28 | 20:57 ET | [8-K](/filings/0001437749-26-024693.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-024693 |
| 2026-07-28 | 20:30 ET | [10-Q](/filings/0001193125-26-321076.md) | Quarterly report, period 2026-06-30 | 0001193125-26-321076 |
| 2026-05-18 | 21:15 ET | [8-K](/filings/0001193125-26-229138.md) | 8.01 Other events | 0001193125-26-229138 |
| 2026-05-06 | 21:02 ET | [8-K](/filings/0001193125-26-209324.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-209324 |
| 2026-04-30 | 22:02 ET | [10-Q](/filings/0001193125-26-192508.md) | Quarterly report, period 2026-03-31 | 0001193125-26-192508 |
| 2026-04-29 | 21:22 ET | [8-K](/filings/0001437749-26-013916.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-013916 |
| 2026-04-23 | 20:20 ET | [8-K](/filings/0001193125-26-173769.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-173769 |
| 2026-03-25 | 21:02 ET | [DEF 14A](/filings/0001140361-26-011130.md) | Proxy statement, period 2026-05-06 | 0001140361-26-011130 |
| 2026-03-12 | 20:30 ET | [8-K](/filings/0001193125-26-104272.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-104272 |
| 2026-02-27 | 00:52 ET | [10-K](/filings/0001193125-26-078266.md) | Annual report, period 2025-12-31 | 0001193125-26-078266 |
| 2026-02-25 | 12:08 ET | [8-K](/filings/0001437749-26-005431.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-005431 |
| 2026-01-23 | 17:47 ET | [SCHEDULE 13D/A](/filings/0001539497-26-000135.md) | Ownership report, active investor, amended | 0001539497-26-000135 |
| 2026-01-23 | 13:00 ET | [8-K](/filings/0001193125-26-020169.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-020169 |
| 2026-01-20 | 13:06 ET | [8-K](/filings/0001437749-26-001486.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-001486 |
| 2026-01-13 | 13:00 ET | [8-K](/filings/0001437749-26-001137.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-001137 |
| 2025-12-02 | 21:10 ET | [8-K](/filings/0001437749-25-036657.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-25-036657 |
| 2025-11-24 | 00:22 ET | [SCHEDULE 13D/A](/filings/0001539497-25-003053.md) | Ownership report, active investor, amended | 0001539497-25-003053 |
| 2025-11-10 | 21:30 ET | [8-K](/filings/0001193125-25-274380.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-274380 |
| 2025-11-05 | 21:30 ET | [10-Q](/filings/0001193125-25-267062.md) | Quarterly report, period 2025-09-30 | 0001193125-25-267062 |
| 2025-11-05 | 21:11 ET | [8-K](/filings/0001437749-25-033347.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-25-033347 |
| 2025-10-07 | 20:21 ET | [8-K](/filings/0001193125-25-233507.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-233507 |
| 2025-10-01 | 20:01 ET | [SCHEDULE 13D](/filings/0001539497-25-002580.md) | Ownership report, active investor | 0001539497-25-002580 |
| 2025-09-29 | 11:05 ET | [8-K](/filings/0001193125-25-221545.md) | 7.01 Regulation FD disclosure | 0001193125-25-221545 |
| 2025-08-05 | 20:45 ET | [10-Q](/filings/0000950170-25-103160.md) | Quarterly report, period 2025-06-30 | 0000950170-25-103160 |
| 2025-08-05 | 20:33 ET | [8-K](/filings/0001437749-25-024875.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001437749-25-024875 |
| 2025-05-30 | 20:31 ET | [8-K](/filings/0001193125-25-132208.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-25-132208 |
| 2025-05-12 | 20:38 ET | [8-K](/filings/0001437749-25-016141.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-016141 |
| 2025-05-12 | 20:30 ET | [10-Q](/filings/0000950170-25-069294.md) | Quarterly report, period 2025-03-31 | 0000950170-25-069294 |
| 2025-04-10 | 21:02 ET | [DEF 14A](/filings/0001140361-25-013294.md) | Proxy statement, period 2025-05-29 | 0001140361-25-013294 |
| 2025-03-10 | 21:14 ET | [8-K](/filings/0001193125-25-051083.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-051083 |
| 2025-02-28 | 21:36 ET | [8-K](/filings/0001193125-25-042573.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-042573 |
| 2025-02-27 | 21:25 ET | [10-K](/filings/0000950170-25-029095.md) | Annual report, period 2024-12-31 | 0000950170-25-029095 |
| 2025-02-27 | 21:11 ET | [8-K](/filings/0001437749-25-005467.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-005467 |
| 2025-01-13 | 13:02 ET | [8-K](/filings/0001193125-25-005003.md) | 2.02 Results of operations | 0001193125-25-005003 |
| 2024-10-30 | 21:21 ET | [8-K](/filings/0001437749-24-032658.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-032658 |
| 2024-10-30 | 20:31 ET | [10-Q](/filings/0000950170-24-119044.md) | Quarterly report, period 2024-09-30 | 0000950170-24-119044 |
| 2024-09-27 | 12:30 ET | [8-K](/filings/0001193125-24-227393.md) | 8.01 Other events | 0001193125-24-227393 |
| 2024-08-01 | 20:05 ET | [10-Q](/filings/0000950170-24-089248.md) | Quarterly report, period 2024-06-30 | 0000950170-24-089248 |
| 2024-07-31 | 21:23 ET | [8-K](/filings/0001437749-24-024148.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-024148 |
| 2024-05-24 | 13:00 ET | [8-K](/filings/0001193125-24-146576.md) | 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-146576 |
| 2024-05-02 | 20:05 ET | [10-Q](/filings/0000950170-24-052085.md) | Quarterly report, period 2024-03-31 | 0000950170-24-052085 |
| 2024-05-01 | 21:11 ET | [8-K](/filings/0001437749-24-014205.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-014205 |
| 2024-04-09 | 21:02 ET | [DEF 14A](/filings/0001140361-24-018895.md) | Proxy statement, period 2024-05-23 | 0001140361-24-018895 |
| 2024-02-28 | 21:05 ET | [10-K](/filings/0000950170-24-022057.md) | Annual report, period 2023-12-31 | 0000950170-24-022057 |
| 2024-02-27 | 22:18 ET | [8-K](/filings/0001437749-24-005735.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-005735 |
| 2024-01-19 | 21:01 ET | [8-K](/filings/0001193125-24-011225.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-24-011225 |
| 2023-11-03 | 20:05 ET | [10-Q](/filings/0000950170-23-058814.md) | Quarterly report, period 2023-09-30 | 0000950170-23-058814 |
| 2023-11-02 | 21:21 ET | [8-K](/filings/0001157523-23-001637.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001157523-23-001637 |
| 2023-10-30 | 20:50 ET | [8-K](/filings/0001193125-23-266248.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-23-266248 |

Page 1 of 6. [Older](/companies/achc/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:13 ET. No prices; not investment advice.