InsiderTrades

Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.

Accepted 2025-11-13 00:00:00 ET · period of report 2025-11-12 · accession 0001193125-25-280368 · 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
M 2025-11-13 2025-11-12 WMS MAKOWSKI TIM A See Remarks S - Sale $149.21 -4,901 2,467 -67% -$731.3K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-12 S D 4,800 $149.21 2,568 D — —
2 Common Common Stock 2025-11-12 S D 101 $149.19 2,467 D — —