Tim A. Makowski - May 19, 2025 Form 4 Insider Report for ADVANCED DRAINAGE SYSTEMS, INC. (WMS)

Role
Vice President, Controller and Chief Accounting Officer
Signature
/s/ Tim A. Makowski, by Scott A. Cottrill as attorney-in-fact
Stock symbol
WMS
Transactions as of
May 19, 2025
Transactions value $
-$22,858
Form type
4
Date filed
5/21/2025, 06:19 PM
Previous filing
May 16, 2025
Next filing
May 23, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MAKOWSKI TIM A Vice President, Controller and Chief Accounting Officer C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD /s/ Tim A. Makowski, by Scott A. Cottrill as attorney-in-fact 2025-05-21 0001672236

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WMS Common Stock Award $0 +1.02K +15.22% $0.00 7.69K May 19, 2025 Direct
transaction WMS Common Stock Tax liability -$12.8K -105 -1.37% $121.86 7.59K May 19, 2025 Direct F1
transaction WMS Common Stock Tax liability -$10.1K -85 -1.12% $118.39 7.5K May 20, 2025 Direct F1
holding WMS Common Stock 17.6K May 19, 2025 By KSOP F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WMS Option to Purchase Common Stock Award $0 +2.17K $0.00 2.17K May 19, 2025 Common Stock 2.17K $119.30 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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 Represents current allocation under KSOP.
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.

Remarks:

Vice President, Controller and Chief Accounting Officer