| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HARVEY DARIN S. | EVP, Supply Chain & Logistics | C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD | /s/ Darin S. Harvey, by Scott A. Cottrill as attorney-in-fact | 11 Jun 2025 | 0001756972 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WMS | Common Stock | Sale | $519,565 | -4,464 | -61% | $116.39 | 2,890 | 09 Jun 2025 | Direct | |
| holding | WMS | Common Stock | 15,233 | 09 Jun 2025 | By KSOP | F1 |
| Id | Content |
|---|---|
| F1 | Represents current allocation under KSOP. |