# Advanced Drainage Systems, Inc.: filings

WMS · NYSE · CIK 1604028 · [Consumer discretionary](/sectors/consumer-discretionary.md) · fiscal year ends Mar 31

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

## Reports and events: 254 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 (4 552, 8-K 166, SC 13G/A 42, 3 38, 10-Q 37, 144 32, 4/A 18, SC 13G 13, 10-K 12, DEFA14A 12, CORRESP 11, DEF 14A 11, SC 13D/A 10, UPLOAD 10, 10-Q/A 6, S-1/A 6, NT 10-Q 5, 11-K 4, ARS 4, S-8 4, EFFECT 3, 424B4 2, 8-K/A 2, NT 10-K 2, S-1 2, SCHEDULE 13G 2, 10-K/A 1, 424B2 1, 424B5 1, 5 1, 8-A12B 1, CERTNYS 1, FWP 1, PRE 14A 1, S-3 1, SC 13D 1, SCHEDULE 13G/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-05 | 11:00 ET | [8-K](/filings/0001193125-26-413092.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-413092 |
| 2026-08-06 | 20:08 ET | [10-Q](/filings/0001604028-26-000037.md) | Quarterly report, period 2026-06-30 | 0001604028-26-000037 |
| 2026-08-06 | 11:03 ET | [8-K](/filings/0001604028-26-000034.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-26-000034 |
| 2026-07-16 | 20:08 ET | [8-K](/filings/0001604028-26-000030.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001604028-26-000030 |
| 2026-06-18 | 11:23 ET | [8-K](/filings/0001604028-26-000028.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-26-000028 |
| 2026-06-03 | 20:16 ET | [DEF 14A](/filings/0001604028-26-000024.md) | Proxy statement, period 2026-03-31 | 0001604028-26-000024 |
| 2026-05-21 | 20:08 ET | [8-K](/filings/0001604028-26-000020.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-26-000020 |
| 2026-05-21 | 20:06 ET | [10-K](/filings/0001604028-26-000019.md) | Annual report, period 2026-03-31 | 0001604028-26-000019 |
| 2026-05-21 | 11:06 ET | [8-K](/filings/0001604028-26-000014.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-26-000014 |
| 2026-02-27 | 21:06 ET | [8-K](/filings/0001193125-26-082558.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-082558 |
| 2026-02-12 | 21:13 ET | [8-K](/filings/0001604028-26-000011.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-26-000011 |
| 2026-02-12 | 12:22 ET | [8-K](/filings/0001604028-26-000009.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-26-000009 |
| 2026-02-05 | 21:11 ET | [10-Q](/filings/0001604028-26-000007.md) | Quarterly report, period 2025-12-31 | 0001604028-26-000007 |
| 2026-02-05 | 11:46 ET | [8-K](/filings/0001604028-26-000004.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-26-000004 |
| 2026-02-02 | 15:12 ET | [8-K](/filings/0001604028-26-000002.md) | 2.01 Completion of an acquisition or disposition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-26-000002 |
| 2025-11-06 | 21:02 ET | [10-Q](/filings/0001604028-25-000043.md) | Quarterly report, period 2025-09-30 | 0001604028-25-000043 |
| 2025-11-06 | 11:45 ET | [8-K](/filings/0001604028-25-000041.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-25-000041 |
| 2025-09-23 | 10:02 ET | [8-K](/filings/0001193125-25-212097.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-212097 |
| 2025-08-07 | 20:06 ET | [10-Q](/filings/0001604028-25-000030.md) | Quarterly report, period 2025-06-30 | 0001604028-25-000030 |
| 2025-08-07 | 10:58 ET | [8-K](/filings/0001604028-25-000027.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-25-000027 |
| 2025-07-17 | 20:05 ET | [8-K](/filings/0001604028-25-000024.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001604028-25-000024 |
| 2025-06-04 | 20:07 ET | [DEF 14A](/filings/0001604028-25-000017.md) | Proxy statement, period 2025-03-31 | 0001604028-25-000017 |
| 2025-05-15 | 20:06 ET | [10-K](/filings/0001604028-25-000012.md) | Annual report, period 2025-03-31 | 0001604028-25-000012 |
| 2025-05-15 | 11:01 ET | [8-K](/filings/0001604028-25-000009.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-25-000009 |
| 2025-02-06 | 21:02 ET | [10-Q](/filings/0001604028-25-000005.md) | Quarterly report, period 2024-12-31 | 0001604028-25-000005 |
| 2025-02-06 | 12:08 ET | [8-K](/filings/0001604028-25-000002.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-25-000002 |
| 2024-11-08 | 21:06 ET | [10-Q](/filings/0001604028-24-000044.md) | Quarterly report, period 2024-09-30 | 0001604028-24-000044 |
| 2024-11-08 | 11:47 ET | [8-K](/filings/0001604028-24-000041.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-24-000041 |
| 2024-08-20 | 20:54 ET | [8-K](/filings/0001604028-24-000035.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-24-000035 |
| 2024-08-08 | 20:05 ET | [10-Q](/filings/0001604028-24-000032.md) | Quarterly report, period 2024-06-30 | 0001604028-24-000032 |
| 2024-08-08 | 10:52 ET | [8-K](/filings/0001604028-24-000029.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-24-000029 |
| 2024-07-18 | 20:21 ET | [8-K](/filings/0001604028-24-000026.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001604028-24-000026 |
| 2024-07-08 | 20:18 ET | [8-K](/filings/0001604028-24-000023.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001604028-24-000023 |
| 2024-06-05 | 20:06 ET | [DEF 14A](/filings/0001604028-24-000019.md) | Proxy statement, period 2024-03-31 | 0001604028-24-000019 |
| 2024-05-21 | 20:42 ET | [8-K](/filings/0001604028-24-000013.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001604028-24-000013 |
| 2024-05-16 | 20:03 ET | [10-K](/filings/0001604028-24-000011.md) | Annual report, period 2024-03-31 | 0001604028-24-000011 |
| 2024-05-16 | 10:50 ET | [8-K](/filings/0001604028-24-000008.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-24-000008 |
| 2024-02-08 | 21:08 ET | [10-Q](/filings/0001604028-24-000005.md) | Quarterly report, period 2023-12-31 | 0001604028-24-000005 |
| 2024-02-08 | 11:57 ET | [8-K](/filings/0001604028-24-000003.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-24-000003 |
| 2023-11-02 | 20:05 ET | [10-Q](/filings/0001604028-23-000050.md) | Quarterly report, period 2023-09-30 | 0001604028-23-000050 |
| 2023-11-02 | 11:06 ET | [8-K](/filings/0001604028-23-000047.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-23-000047 |
| 2023-08-03 | 20:14 ET | [10-Q](/filings/0001604028-23-000038.md) | Quarterly report, period 2023-06-30 | 0001604028-23-000038 |
| 2023-08-03 | 11:07 ET | [8-K](/filings/0001604028-23-000033.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-23-000033 |
| 2023-07-21 | 12:51 ET | [8-K](/filings/0001604028-23-000029.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001604028-23-000029 |
| 2023-06-07 | 20:05 ET | [DEF 14A](/filings/0001604028-23-000024.md) | Proxy statement | 0001604028-23-000024 |
| 2023-05-23 | 20:47 ET | [8-K](/filings/0001604028-23-000017.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001604028-23-000017 |
| 2023-05-18 | 20:14 ET | [10-K](/filings/0001604028-23-000015.md) | Annual report, period 2023-03-31 | 0001604028-23-000015 |
| 2023-05-18 | 10:49 ET | [8-K](/filings/0001604028-23-000012.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-23-000012 |
| 2023-02-02 | 21:04 ET | [10-Q](/filings/0001604028-23-000009.md) | Quarterly report, period 2022-12-31 | 0001604028-23-000009 |
| 2023-02-02 | 12:03 ET | [8-K](/filings/0001604028-23-000006.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001604028-23-000006 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:14 ET. No prices; not investment advice.