InsiderTrades

Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.

Accepted 2026-05-27 16:05:17 ET · period of report 2026-05-22 · accession 0001193125-26-241873 · 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
2026-05-27 16:05 2026-05-22 WMS TALLEY KEVIN C EVP, CAO F - Tax $133.00 -324 62.2K -0.5% -$43.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-22 F D 324 $133.00 62,236 D — — (F1) Represents shares withheld to satisfy Reporting Person's tax obligations in connection with the vesting of shares of restricted common stock of the Issuer. (F2) Includes 49 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).