ADVANCED DRAINAGE SYSTEMS (WMS) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
ADVANCED DRAINAGE SYSTEMS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $14.8M of WMS stock on the open market.
Get emailed when insiders cluster-buy stocks like WMS
Free alerts the day a new cluster buy is filed, plus the Monday report of the week's biggest insider trades.
Free · unsubscribe anytime · not investment advice · see a sample issue
WMS insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | — | 0 | — | 0 |
| Q4 2025 | — | 0 | $14.8M | 9 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 ADVANCED DRAINAGE SYSTEMS, INC. insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $14.8M. 0 of 9 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Members of Congress who traded WMS
From STOCK Act disclosures. Reported up to 45 days after the trade, in dollar ranges.
| Member | Trade | Traded | Reported | Since trade |
|---|---|---|---|---|
| Thomas H TubervilleSenate | Sold $1,001 - $15,000 | May 7, 2024 | Aug 5, 2026 | -13.9% |
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Dec 5SEC | Robert M EversoleDirector | Sell | 10,56950,076 held (−17%) | $152.82 | $1.6M | -17.7% | — |
| Dec 1SEC | Thomas J. Waun Sr.Evp, International | Sell | 1,50013,470 held (−10%) | $155.00 | $232K | -18.8% | — |
| Nov 13SEC | D. Scott BarbourSee Remarks | Sell | 73,46244,897 held (−62%) | $148.96 | $10.9M | -15.6% | — |
| Nov 13SEC | Tim A MakowskiSee Remarks | Sell | 4,8002,568 held (−65%) | $149.21 | $716K | -15.7% | — |
| Nov 13SEC | D. Scott BarbourSee Remarks | Sell | 4,538118,359 held (−4%) | $148.01 | $672K | -15.0% | — |
| Nov 13SEC | D. Scott BarbourSee Remarks | Sell | 2,03042,867 held (−5%) | $150.66 | $306K | -16.5% | — |
| Nov 13SEC | Thomas J. Waun Sr.Evp, International | Sell | 1,272797 held (−61%) | $148.30 | $189K | -15.2% | — |
| Nov 13SEC | Thomas J. Waun Sr.Evp, International | Sell | 1,00014,970 held (−6%) | $150.00 | $150K | -16.1% | — |
| Nov 13SEC | Tim A MakowskiSee Remarks | Sell | 1012,467 held (−4%) | $149.19 | $15K | -15.7% | — |
Insiders at ADVANCED DRAINAGE SYSTEMS, INC.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| D. Scott BarbourSee Remarks | — | $11.9M | Nov 13, 2025 | — |
| Robert M EversoleDirector | — | $1.6M | Dec 5, 2025 | — |
| Tim A MakowskiSee Remarks | — | $731K | Nov 13, 2025 | — |
| Thomas J. Waun Sr.Evp, International | — | $571K | Dec 1, 2025 | — |
WMS stock: common questions
Are ADVANCED DRAINAGE SYSTEMS, INC. insiders buying WMS stock?
In the past 12 months, 0 insiders reported open-market purchases of WMS worth $0.
Are ADVANCED DRAINAGE SYSTEMS, INC. insiders selling WMS stock?
4 insiders reported sales worth $14.8M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is WMS's 52-week range?
Over the past year WMS has traded between $125.33 and $174.69. It last closed at $125.79 on Oct 9, 2026.