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Advanced Drainage Systems

Advanced Drainage Systems (NYSE: WMS) insider transactions

In the twelve months to 10 November 2026, executives and directors of Advanced Drainage Systems reported 9 open-market sales of 99,272 shares ($14.8m) and 0 open-market purchases, by 4 people, according to the Form 4 filings they submitted to the SEC.

Latest transactions

The 20 most recent transactions in Advanced Drainage Systems shares reported on Form 4
DateInsiderRoleTransactionSharesPriceHeld afterFiling
1 September 2026Eversole Robert MDirectorGift−2,386—2,253Form 4
1 September 2026Eversole Robert MDirectorGift+2,386—51,462Form 4
1 September 2026Coyle Patrick M. JrSee RemarksShares withheld for tax−26$130.7510,039Form 4
20 August 2026Barbour D. ScottSee RemarksGift−2,000—51,652Form 4
16 July 2026Fischer Alexander RDirectorGrant or award+1,110—17,564Form 4
16 July 2026Eversole Robert MDirectorGrant or award+2,253—4,639Form 4
16 July 2026Perez De La Mesa Manuel JDirectorGrant or award+1,782—25,070Form 4
16 July 2026Chaibi AnesaDirectorGrant or award+1,110—8,698Form 4
16 July 2026Seetharam AnilDirectorGrant or award+1,782—16,240Form 4
16 July 2026Coleman Michael B.DirectorGrant or award+1,110—12,587Form 4
16 July 2026Gast Kelly S.DirectorGrant or award+1,110—8,981Form 4
16 July 2026Fratto Tanya DDirectorGrant or award+1,110—30,552Form 4
12 June 2026Barbour D. ScottSee RemarksOther−511$135.720Form 4
12 June 2026Barbour D. ScottSee RemarksOther+511$135.7253,652Form 4
26 May 2026King Brian W.Executive Vice PresidentGrant or award+950—21,686Form 4
26 May 2026Makowski Tim ASee RemarksGrant or award+847—6,722Form 4
26 May 2026Coyle Patrick M. JrSee RemarksGrant or award+1,252—10,065Form 4
26 May 2026Barbour D. ScottSee RemarksGrant or award+9,036—77,268Form 4
26 May 2026Cottrill Scott AEVP, CFO and SecretaryGrant or award+2,503—110,511Form 4
26 May 2026Martz BretSee RemarksGrant or award+1,252—3,089Form 4

Names appear as in the filing, surname first. A dash in the price column means the filing reports none, as in grants and gifts.

How to read the table

Only open-market purchases and sales are trades the insider chose to make at the market price, and they are the ones counted in the summary above. Grants, option exercises and shares withheld for tax come from pay plans. A sale marked as a 10b5-1 plan was scheduled in advance under a written plan.

Where each row comes from

From the Form 4 that each executive, director or large shareholder must file with the SEC within two business days of a transaction, read up to 10 November 2026. Each row links to its filing on EDGAR. Only transactions in shares are listed, not derivatives, and amended filings are left out. The accounts of the company are on the Advanced Drainage Systems page; the method, in data sources.

Information prepared from the Form 4 filings submitted to the SEC, for information purposes only. It is not financial advice or a recommendation to buy or sell. Updated on 12 November 2026.