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Filing Details

Accession Number:: 0000919574-21-007454
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-12-16 16:52:59
Reporting Period:: 2021-12-14

Accepted Time:: 2021-12-16 16:52:59
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1604028	Advanced Drainage Systems Inc.	WMS	Plastics Foam Products (3086)	510105665

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1676191	Anil Seetharam	200 Clarendon Street Floor 35 Boston MA 02116		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2021-12-14	729,770	$125.25	6,367,265	No	4	S	Indirect	See Footnote
Common Stock	Disposition	2021-12-14	10,114	$125.25	63,995	No	4	S	Indirect	Berkshire Investors III LLC
Common Stock	Disposition	2021-12-14	10,116	$125.25	62,107	No	4	S	Indirect	Berkshire Investors IV LLC

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote
No	4	S	Indirect	Berkshire Investors III LLC
No	4	S	Indirect	Berkshire Investors IV LLC

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	1,807	Direct

Footnotes

Represents shares held by Berkshire Fund IX, L.P. ("BF IX"), Berkshire Fund IX-A, L.P. ("BF IX-A"), Stockbridge Fund, L.P. ("SF"), Stockbridge Absolute Return Fund, L.P. ("SARF") and certain other accounts. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A, and Stockbridge Associates LLC ("SA") is the general partner of SF and SARF. Berkshire Partners LLC ("BP") is the investment adviser to BF IX and BF IX-A, and Stockbridge Partners LLC ("SP") is the investment adviser to SF, SARF and such certain other accounts. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of BP and SP.
(continued from Footnote 1) The Reporting Person is a managing member of BPH, BPSP, BP, SP, 9BA 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 BF IX, BF IX-A, SF, SARF and such other accounts. 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.
Represents shares held by Berkshire Investors III LLC ("BI III"). The Reporting Person is a managing member of BI III. By virtue of the relationship described in the preceding sentence, the Reporting Person may be deemed to share beneficial ownership with respect to the shares of common stock held by BI III. The Reporting Person disclaims beneficial ownership of the shares held by BI III, 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.
Represents shares held by Berkshire Investors IV LLC ("BI IV"). The Reporting Person is a managing member of BI IV. By virtue of the relationship described in the preceding sentence, the Reporting Person may be deemed to share beneficial ownership with respect to the shares of common stock held by BI IV. The Reporting Person disclaims beneficial ownership of the shares held by BI IV, 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.