THOMAS J. WAUN SR. - 11 Nov 2025 Form 4 Insider Report for ADVANCED DRAINAGE SYSTEMS, INC. (WMS)

Role
EVP, International
Signature
/s/ Thomas J. Waun, Sr., by Scott A. Cottrill as attorney-in-fact
Issuer symbol
WMS
Transactions as of
11 Nov 2025
Net transactions value
-$338,690
Form type
4
Filing time
13 Nov 2025, 16:53:46 UTC
Previous filing
23 May 2025
Next filing
01 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WAUN THOMAS J. SR. EVP, International C/O ADVANCED DRAINAGE SYSTEMS, INC., 4640 TRUEMAN BOULEVARD, HILLIARD /s/ Thomas J. Waun, Sr., by Scott A. Cottrill as attorney-in-fact 13 Nov 2025 0001815777

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WMS Common Stock Sale $188,690 -1,272 -61% $148.30 797 11 Nov 2025 By KSOP F1
transaction WMS Common Stock Sale $150,000 -1,000 -6.3% $150.00 14,970 12 Nov 2025 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents current allocation under KSOP.
F2 Includes 125 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).