Thomas J. Waun Sr. - 22 May 2025 Form 4 Insider Report for ADVANCED DRAINAGE SYSTEMS, INC. (WMS)

Reporting relationship: EVP, International
Issuer ticker: WMS
Reported as of: 22 May 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 May 2026, 16:05:09 UTC
Prior SEC filing: 21 May 2026
Next SEC filing: 13 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Thomas J. Waun, Sr., by Scott A. Cottrill as attorney-in-fact

Key filing fact

Thomas J. Waun Sr. filed Form 4 for ADVANCED DRAINAGE SYSTEMS, INC. (WMS) on 27 May 2026.

Key facts

This page summarizes Thomas J. Waun Sr.'s Form 4 filing for ADVANCED DRAINAGE SYSTEMS, INC. (WMS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 May 2026, 16:05.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001815777 Primary reporting owner

WAUN THOMAS J. SR.

Relationship: EVP, International
Address: C/O ADVANCED DRAINAGE SYSTEMS, INC., 4024 GREEN STRIPE LANE, HILLIARD
Signature: /s/ Thomas J. Waun, Sr., by Scott A. Cottrill as attorney-in-fact
Signature date: 27 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WMS transaction

Common Stock

Tax liability

Transaction value
Shares: -218
Change %: -1.2%
Price: $133.00^*
Shares after: 17,590
Date: 22 May 2026
Ownership: Direct
Footnotes: F1, F2

WMS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 807
Date: 22 May 2025
Ownership: By KSOP
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote F2

Includes 89 shares of common stock acquired under the Advanced Drainage Systems, Inc. Employee Stock Purchase Plan, exempt under Rule 16b-3(c).

Footnote F3

Represents current allocation under KSOP.