WMS ADVANCED DRAINAGE SYSTEMS, INC. Insider Trading

Director Eversole sells 10,569 shares ($1.6M) of WMS at $152.82; stock at $148.92, near 52-week high of $153.49

Director Robert M Eversole sold 10,569 shares of Advanced Drainage Systems at $152.82 on 2025-12-03, reducing his holdings from 59,645 shares to 49,076 shares, a -17.7% reduction. The sale occurred near the company's 52-week high of $153.49, with the current price at $148.92 representing a -3.0% gap from peak. The company trades at a P/E of 25.28 with a $11.6B market cap, generating $850.4M in quarterly revenue and $156.0M in net income. This sale represents a material reduction in insider holdings by a director, executed at elevated valuation levels relative to recent trading range, meriting investor attention to the reasoning behind the liquidation decision.

D. Scott Barbour sells 80,030 shares of WMS for $11,920,363.10 (blended $148.95) in 3 transactions; holdings cut 65.1% to 42,867 shares.

D. Scott Barbour executed 3 separate sales totaling 80,030 shares for $11,920,363.10 at an average price of $148.95, reducing his post-transaction holdings from 122,897 to 42,867 shares. At current price of $148.39, WMS is near its 52-week high of $150.85 (-1.6%), and has gained 4.9% over 30 days and 6.9% over 90 days. Notably, Barbour's prior sale at this ticker on 2024-05-24 exhibited a 90-day return of -9.8%, and across his cross-ticker track record, 1 prior sell showed an average 90-day well-timed rate of 100.00%, indicating his past sales have coincided with subsequent declines. This large-scale reduction in position—eliminating nearly two-thirds of his holdings—occurs at an elevated price relative to recent momentum, warranting close attention to whether this distribution signals a strategic shift in his confidence at WMS.