| Filed | Form | Description | |
|---|---|---|---|
| 6/4/25 | DEFA14A | DEFA14A | → |
| 6/4/25 | DEF 14A | DEF 14A | → |
| 6/5/24 | DEFA14A | DEFA14A | → |
| 6/5/24 | DEF 14A | DEF 14A | → |
| 6/7/23 | DEFA14A | DEFA14A | → |
| 6/7/23 | DEF 14A | DEF 14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 3/6/26 | 4 | 4 | → |
| 12/5/25 | 4 | 4 | → |
| 12/4/25 | 4 | 4 | → |
| 12/1/25 | 4 | 4 | → |
| 11/26/25 | 4 | 4 | → |
| 11/17/25 | 3 | 3 | → |
| ↓ | |||
Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators.