SCHEDULE 13G 0001280529 XXXXXXXX LIVE Common Stock, par value $0.01 per share 12/31/2025 0001604028 Advanced Drainage Systems, Inc. 00790R104 4024 Green Stripe Lane Hilliard OH 43026 Rule 13d-1(b) Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust DE 0.00 4629213.00 0.00 4629213.00 4629213.00 N 6.0 EP Advanced Drainage Systems, Inc. 4024 Green Stripe Lane, Hilliard, Ohio, 43026 Delaware Charter Guarantee & Trust Company dba Principal Trust Company as Directed Trustee for Advanced Drainage Systems, Inc. Employee Stock Ownership Plan 1013 Centre Road Ste 300, Wilmington DE 19805-1265 Delaware N EP 77,764,487 5.95% 0 4,629,213 0 4,629,213 Y N Y Y N The reporting person is an employee benefit plan subject to the provisions of the Employee Retirement Income Security Act of 1974, as amended. Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust Jared Gillespie 02/13/2026