Form 4: Advanced Drainage Systems EVP Sells WMS Shares

Advanced Drainage Systems EVP, International, Thomas J. Waun, Sr. reported selling shares of company common stock in pre-planned transactions.

Summary

• Thomas J. Waun, Sr., EVP, International of Advanced Drainage Systems, Inc. (WMS), reported sales of common stock.
• On November 11, 2025, 1,272.3795 shares of common stock were sold at a price of $148.2969 per share.
• On November 12, 2025, an additional 1,000 shares of common stock were sold at a price of $150 per share.
• These transactions were made pursuant to a Rule 10b5-1(c) plan, indicating they were pre-scheduled.
• Following these transactions, Thomas J. Waun, Sr. beneficially owns 796.9667 shares indirectly through a KSOP and 14,970 shares directly, which includes 125 shares acquired under the Employee Stock Purchase Plan.

Sentiment

Score: 5

Explanation: The filing reports routine insider sales that were pre-planned under a Rule 10b5-1 plan, which generally mitigates negative sentiment as it suggests the transactions are not based on new, non-public information.

Negatives

• An executive sold a total of 2,272.3795 shares of company common stock over two days.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders may observe a minor increase in the float of common stock due to the executive's sales.

Key Dates

Keywords

Advanced Drainage Systems, WMS, Insider Trading, Form 4, Stock Sale, Executive Compensation, Rule 10b5-1