ADVANCED DRAINAGE SYSTEMS, INC. Form DEFA14A: Additional definitive proxy soliciting materials
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 2026-06-03: Form DEFA14A; Description DEFA14A; Document defa14afy2026.htm.
- 2025-06-04: Form DEFA14A; Description DEFA14A; Document defa14afy2025.htm.
- 2024-06-05: Form DEFA14A; Description DEFA14A; Document defa14a.htm.
- 2023-06-07: Form DEFA14A; Description DEFA14A; Document defa14a1.htm.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 2026-06-03 | DEFA14A | DEFA14A | defa14afy2026.htm | |
| 2025-06-04 | DEFA14A | DEFA14A | defa14afy2025.htm | |
| 2024-06-05 | DEFA14A | DEFA14A | defa14a.htm | |
| 2023-06-07 | DEFA14A | DEFA14A | defa14a1.htm | |
| 2022-06-09 | DEFA14A | DEFA14A | defa14a.htm | |
| 2021-06-09 | DEFA14A | DEFA14A | wms-defa14a_20210609.htm | |
| 2020-06-15 | DEFA14A | DEFA14A | wms-defa14a_20200615.htm | |
| 2020-06-11 | DEFA14A | DEFA14A | wms-defa14a_20200611.htm | |
| 2019-06-11 | DEFA14A | DEFA14A | wms-defa14a_20190611.htm | |
| 2018-06-08 | DEFA14A | DEFA14A | d547215ddefa14a.htm | |
| 2017-06-30 | DEFA14A | DEFA14A | d601082ddefa14a.htm | |
| 2017-06-06 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | d393375ddefa14a.htm |