CEO D. Scott Barbour Sells 1,898 Advanced Drainage Systems Shares for Tax Obligations

D. Scott Barbour, President & CEO of Advanced Drainage Systems, Inc., filed a Form 4 disclosing the sale of 1,898 shares of common stock on May 22, 2026, at $133.00 per share. The transaction was coded as "F" (tax withholding) and represents shares withheld to satisfy tax obligations in connection with the vesting of restricted stock. Following the transaction, Barbour directly owns 68,232 shares. The filing also details extensive indirect holdings through various trusts, including revocable and irrevocable trusts, GRATs (Grantor Retained Annuity Trusts), and KSOP allocations, totaling over 300,000 additional shares. The CEO maintains significant ownership through these estate planning vehicles.