InsiderTrades

Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.

Accepted 2026-05-21 18:31:44 ET · period of report 2026-05-19 · accession 0001193125-26-235044 · 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 2026-05-21 18:31 2026-05-19+ WMS Coyle Patrick M. Jr See Remarks F - Tax $133.75 -155 5,692 -3% -$20.7K
2026-05-21 18:31 2026-05-20 WMS Coyle Patrick M. Jr See Remarks A - Grant $0.00 +3,233 8,925 +57% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-19 F D 91 $131.59 5,756 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.
2 Common Common Stock 2026-05-20 F D 64 $136.83 5,692 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.
3 Common Common Stock 2026-05-20 A A 3,233 $0.00 8,925 D — — (F2) Reflects grant of performance-based units, originally granted pursuant to the Issuer's 2017 Omnibus Incentive Plan, earned after the Issuer determined that certain performance goals for the performance period ended March 31, 2026 had been met. Total includes dividend equivalents in the amount of 47 shares, which dividend equivalents are settled in common stock.