FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Seetharam Anil		 2. Issuer Name and Ticker or Trading Symbol

ADVANCED DRAINAGE SYSTEMS, INC. [ WMS ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

200 CLARENDON STREET, FLOOR 35		 3. Date of Earliest Transaction (MM/DD/YYYY)

9/7/2022
(Street)

BOSTON, MA 02116
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 9/7/2022  S  73915 D$134.8763 (5)4053365 I See Footnote (1)(2)
Common Stock 9/7/2022  S  226085 D$135.4212 (6)3827280 I See Footnote (1)(2)
Common Stock 9/8/2022  S  16000 D$135.8729 (7)3811280 I See Footnote (1)(2)
Common Stock 9/8/2022  S  223720 D$136.8612 (8)3587560 I See Footnote (1)(2)
Common Stock 9/8/2022  S  131116 D$137.8545 (9)3456444 I See Footnote (1)(2)
Common Stock 9/8/2022  S  83884 D$138.6537 (10)3372560 I See Footnote (1)(2)
Common Stock         32736 I Berkshire Investors III LLC (3)
Common Stock         31081 I Berkshire Investors IV LLC (4)
Common Stock         4969 D  
Common Stock         730 I By Family Trusts 
Common Stock         1940 I By Trust 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)		8. Price of Derivative Security
(Instr. 5)		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
(1) Represents shares held directly or indirectly by Berkshire Fund IX, L.P. ("BF IX"), Berkshire Fund IX-A, L.P. ("BF IX-A"), Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). 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. 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 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.
(2) (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 the Berkshire Entities. 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.
(3) 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.
(4) 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.
(5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $134.00 to $134.9999. 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.
(6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.00 to $135.985. 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.
(7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.25 to $136.2499. 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.
(8) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136.25 to $137. 2499. 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.
(9) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $137.25 to $138. 2499. 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.
(10) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $138.25 to $139.025. 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.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Seetharam Anil
200 CLARENDON STREET
FLOOR 35
BOSTON, MA 02116		X
Signatures
/s/ Anil Seetharam9/9/2022
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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