SEC Filing Summary

Tim A. Makowski, Vice President, Controller and Chief Accounting Officer of ADVANCED DRAINAGE SYSTEMS, INC., reported a disposition of 129 shares of Common Stock on May 22, 2026. The transaction, coded as 'F' and marked as a disposition ('D'), occurred at a price of $133.00 per share. Following this transaction, Makowski directly owns 5,875 shares. Additionally, he has indirect ownership of 17,556.8712 shares through the KSOP (401(k) Savings and Ownership Plan), which includes shares withheld to cover tax obligations related to restricted stock vesting. The filing indicates Makowski is an officer but not a director or 10% owner.