Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.
Accepted 2026-05-28 16:05:03 ET · period of report 2026-05-26 · accession 0001193125-26-245182 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-28 16:05 | 2026-05-26 | WMS | KING BRIAN W. | EVP | A - Grant | $0.00 | +950 | 21.7K | +5% | $0 |
| D | 2026-05-28 16:05 | 2026-05-26 | WMS | KING BRIAN W. | EVP | A - Grant | $0.00 | +2,115 | 2,115 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-26 | A | A | 950 | $0.00 | 21,686 | D | — | — | (F1) Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c). |
| 2 | Derivative | Option to Purchase Common Stock | 2026-05-26 | A | A | 2,115 | $0.00 | 2,115 | D | $138.09 · — to 2036-05-27 | 2,115 Common Stock | (F3) The options vest in three equal annual installments beginning on May 26, 2027, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. |