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Are Advanced Drainage Systems Insiders Buying or Selling?
Advanced Drainage Systems (WMS) has had no reported insider transactions in the past 90 days. The most recent was ROBERT EVERSOLE, who sold 10,569 shares at $152.82 on December 3, 2025.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the WMS AI Score. For government officials trading this stock, see WMS congressional trading.
Who’s Trading Advanced Drainage Systems Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| BARBOUR D. SCOTT | Sold $12M | 3 | Nov 12, 2025 |
| ROBERT EVERSOLE | Sold $1.6M | 1 | Dec 3, 2025 |
| DARIN HARVEY | Sold $830,000 | 3 | Jun 9, 2025 |
| TIM MAKOWSKI | Sold $730,000 | 2 | Nov 12, 2025 |
| WAUN THOMAS J. SR. | Sold $570,000 | 3 | Nov 26, 2025 |
Recent Advanced Drainage Systems Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| ROBERT EVERSOLE | Dec 3, 2025 | Sell | 10,569 | $152.82 | $1.6M |
| WAUN THOMAS J. SR. | Nov 26, 2025 | Sell | 1,500 | $155 | $230,000 |
| BARBOUR D. SCOTT | Nov 12, 2025 | Sell | 73,462 | $148.96 | $11M |
| WAUN THOMAS J. SR. | Nov 12, 2025 | Sell | 1,000 | $150 | $150,000 |
| BARBOUR D. SCOTT | Nov 12, 2025 | Sell | 4,538 | $148.01 | $670,000 |
| BARBOUR D. SCOTT | Nov 12, 2025 | Sell | 2,030 | $150.66 | $310,000 |
| TIM MAKOWSKI | Nov 12, 2025 | Sell | 4,800 | $149.21 | $720,000 |
| TIM MAKOWSKI | Nov 12, 2025 | Sell | 101 | $149.19 | $15,000 |
| WAUN THOMAS J. SR. | Nov 11, 2025 | Sell | 1,272 | $148.3 | $190,000 |
| DARIN HARVEY | Jun 9, 2025 | Sell | 4,464 | $116.39 | $520,000 |
| DARIN HARVEY | Feb 19, 2025 | Sell | 1,488 | $125 | $190,000 |
| DARIN HARVEY | Feb 19, 2025 | Sell | 976 | $125 | $120,000 |
Frequently Asked Questions: Advanced Drainage Systems Insider Trading
Advanced Drainage Systems insiders have not reported any transactions in the past 90 days.
The most recent sale was by ROBERT EVERSOLE who sold 10,569 shares on December 3, 2025. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
BARBOUR D. SCOTT has sold the most WMS stock in the last 2 years, with a total value of $12M.
The total value of insider transactions for Advanced Drainage Systems in the last 2 years is negative, amounting to -$16M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.




