InsiderTrades

Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.

Accepted 2025-11-13 00:00:00 ET · period of report 2025-11-11 · accession 0001193125-25-280391 · 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
I 2025-11-13 2025-11-11 WMS WAUN THOMAS J. SR. EVP, International S - Sale $148.30 -1,272 796.97 -61% -$188.7K
2025-11-13 2025-11-12 WMS WAUN THOMAS J. SR. EVP, International S - Sale $150.00 -1,000 15.0K -6% -$150.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-11 S D 1,272.38 $148.30 796.97 I By KSOP — — (F1) Represents current allocation under KSOP.
2 Common Common Stock 2025-11-12 S D 1,000 $150.00 14,970 D — — (F2) Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).