InsiderTrades

Form 4 for WMS ADVANCED DRAINAGE SYSTEMS, INC.

Accepted 2025-05-21 00:00:00 ET · period of report 2025-05-19 · accession 0000950170-25-075905 · 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
DM 2025-05-21 2025-05-19+ WMS KING BRIAN W. EVP F - Tax $120.26 -226 16.9K -1% -$27.2K
D 2025-05-21 2025-05-19 WMS KING BRIAN W. EVP A - Grant $0.00 +1,139 17.1K +7% $0
D 2025-05-21 2025-05-19 WMS KING BRIAN W. EVP A - Grant $0.00 +2,428 2,428 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-05-19 F D 122 $121.86 16,963 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 2025-05-20 F D 104 $118.39 16,859 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 2025-05-19 A A 1,139 $0.00 17,085 D — —
4 Derivative Option to Purchase Common Stock 2025-05-19 A A 2,428 $0.00 2,428 D $119.30 · — to 2035-05-20 2,428 Common Stock (F3) The options vest in three equal annual installments beginning on May 19, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.