ADVANCED DRAINAGE SYSTEMS, INC. — Director's Dealing 2023

Sep 2, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ADVANCED DRAINAGE SYSTEMS, INC. (WMS)
CIK: 0001604028
Period of Report: 2023-08-30

Reporting Person: Seetharam Anil (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-08-30	Common Stock	S	25000	$128.2726	Disposed	1214369	Indirect
2023-08-31	Common Stock	S	74800	$128.0672	Disposed	1139569	Indirect
2023-08-31	Common Stock	S	200	$128.7617	Disposed	1139369	Indirect
2023-09-01	Common Stock	S	110000	$130.3495	Disposed	1029369	Indirect
2023-09-01	Common Stock	S	15000	$131.0769	Disposed	1014369	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	11026	Direct
Common Stock	1196	Indirect

Footnotes

F1: Represents shares by Stockbridge Fund, L.P. ("SF"). Stockbridge Associates LLC ("SA") is the general partner of SF. Stockbridge Partners LLC ("SP") is the investment adviser to SF. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of SP.

F2: (continued from Footnote 1) The Reporting Person is a managing member of BPH, BPSP, SP, and SA. By virtue of the relationships described in the preceding sentences, the Reporting Person may be deemed to share beneficial ownership with respect to the shares of common stock held by SF. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $128.0571 to $128.5538. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $127.6648 to $128.6647. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $128.6648 to $128.78. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $130.015 to $131.0149. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and ExchangeCommission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $131.015 to $131.0769. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and ExchangeCommission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.