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Seetharam Anil

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29444
SEC CIK
0001676191

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CompanyLast reported asReport datePublished
ADVANCED DRAINAGE SYSTEMS, INC.WMS · Entity 2328DirectorJuly 16, 2026July 20, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

ADVANCED DRAINAGE SYSTEMS, INC.

Report date July 16, 2026 · Filed July 20, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect16,240 Reported balance After 2026-07-16 transaction · row 1
1 source row

Row 1 · 2026-07-16 · Grant · Acquired 1,782 · Balance 16,240

Common StockSEC Table I · non-derivativeIndirectBy Family Trusts1,196 Reported balance Holding disclosure · report date 2026-07-16 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 1,196

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 16, 2026 Filed Jul 20, 2026 21:12 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 GrantCommon Stock 1,782 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-309065 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,240

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July 17, 2025 Filed Jul 21, 2025 21:07 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 GrantCommon Stock 1,967 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-097309 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,458

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July 18, 2024 Filed Jul 22, 2024 20:05 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 GrantCommon Stock 1,465 $0.00 $0.00
Disclosure

SEC source: 0000950170-24-085248 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,491

Read SEC document
February 28, 2024 Filed Mar 1, 2024 21:59 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 762,895 $163.00 $124,351,885.00
Disclosure

SEC source: 0000919574-24-001850 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and other certain accounts (collectivelly, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

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September 14, 2023 Filed Sep 15, 2023 00:27 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 10,000 $123.66 $1,236,576.00
Disclosure

SEC source: 0000919574-23-005240 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 762,895

F1 · ownership.nature: 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 · ownership.nature: (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.

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September 12, 2023 Filed Sep 15, 2023 00:27 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 70,000 $122.19 $8,553,265.00
Disclosure

SEC source: 0000919574-23-005240 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 772,895

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $121.9832 to $122.4894. 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

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September 07, 2023 Filed Sep 8, 2023 01:22 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 71,474 $126.53 $9,043,512.30
Disclosure

SEC source: 0000919574-23-005141 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 842,895

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $126.071 to $126.9527. 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

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September 06, 2023 Filed Sep 8, 2023 01:22 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 50,000 $126.56 $6,327,930.00
Disclosure

SEC source: 0000919574-23-005141 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 914,369

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $126.3907 to $126.9972. 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

Read SEC document
September 05, 2023 Filed Sep 8, 2023 01:22 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 50,000 $128.27 $6,413,630.00
Disclosure

SEC source: 0000919574-23-005141 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 964,369

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $128.06 to $128.5894. 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

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September 01, 2023 Filed Sep 1, 2023 22:47 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 15,000 $131.08 $1,966,153.50
Disclosure

SEC source: 0000919574-23-005108 · ownership.xml · nonDerivative · entry 5

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,014,369

F7 · price: 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

Read SEC document
September 01, 2023 Filed Sep 1, 2023 22:47 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 110,000 $130.35 $14,338,445.00
Disclosure

SEC source: 0000919574-23-005108 · ownership.xml · nonDerivative · entry 4

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,029,369

F6 · price: 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

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August 31, 2023 Filed Sep 1, 2023 22:47 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 200 $128.76 $25,752.34
Disclosure

SEC source: 0000919574-23-005108 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,139,369

F5 · price: 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

Read SEC document
August 31, 2023 Filed Sep 1, 2023 22:47 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 74,800 $128.07 $9,579,426.56
Disclosure

SEC source: 0000919574-23-005108 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,139,569

F4 · price: 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

Read SEC document
August 30, 2023 Filed Sep 1, 2023 22:47 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 25,000 $128.27 $3,206,815.00
Disclosure

SEC source: 0000919574-23-005108 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,214,369

F3 · price: 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.

F1 · ownership.nature: 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 · ownership.nature: (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.

Read SEC document
August 25, 2023 Filed Aug 26, 2023 00:19 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 50,202 $122.90 $6,169,584.83
Disclosure

SEC source: 0000919574-23-004985 · ownership.xml · nonDerivative · entry 5

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,239,369

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $122.7500 to $123.2500. 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.

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

Read SEC document
August 24, 2023 Filed Aug 26, 2023 00:19 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 5,000 $124.80 $624,020.50
Disclosure

SEC source: 0000919574-23-004985 · ownership.xml · nonDerivative · entry 4

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,289,571

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $124.5268 to $124.8041. 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.

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

Read SEC document
August 24, 2023 Filed Aug 26, 2023 00:19 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 23,078 $122.81 $2,834,289.95
Disclosure

SEC source: 0000919574-23-004985 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,294,571

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $122.5268 to $123.5267. 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.

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

Read SEC document
August 23, 2023 Filed Aug 26, 2023 00:19 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 50,000 $125.45 $6,272,400.00
Disclosure

SEC source: 0000919574-23-004985 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,317,649

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $125.1116 to $125.70. 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.

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

Read SEC document
August 23, 2023 Filed Aug 26, 2023 00:19 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 100,000 $124.60 $12,459,570.00
Disclosure

SEC source: 0000919574-23-004985 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 1,367,649

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $124.1116 to $125.1115. 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.

F1 · ownership.nature: Represents shares by Stockbridge Fund, L.P. ("SF") and certain other accounts (collectively, the "Berkshire Entities"). Stockbridge Associates LLC ("SA") is the general partner of SF. 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 SP.

F2 · ownership.nature: (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 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.

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July 20, 2023 Filed Jul 24, 2023 20:30 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 GrantCommon Stock 1,986 $0.00 $0.00
Disclosure

SEC source: 0000899243-23-017493 · doc4.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,026

Read SEC document
March 07, 2023 Filed Mar 9, 2023 21:51 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 OtherCommon Stock 466 $0.00 $0.00
Disclosure

SEC source: 0000919574-23-002105 · ownership.xml · nonDerivative · entry 5

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trusts

Disclosed balance after: 1,196

F6 · kind: Represents Common Stock received as part of the distribution by the Berkshire Entities referred to in note (5) above.

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March 07, 2023 Filed Mar 9, 2023 21:51 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 OtherCommon Stock 2,131 $0.00 $0.00
Disclosure

SEC source: 0000919574-23-002105 · ownership.xml · nonDerivative · entry 4

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,040

F6 · kind: Represents Common Stock received as part of the distribution by the Berkshire Entities referred to in note (5) above.

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March 07, 2023 Filed Mar 9, 2023 21:51 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 OtherCommon Stock 28,880 $0.00 $0.00
Disclosure

SEC source: 0000919574-23-002105 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 0

F5 · kind: Represents Common Stock of the Issuer distributed by the Berkshire Entities (as defined aboove) to certain of their limited partners and members. The Reporting Person disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest, if any, therein.

F4 · ownership.nature: 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.

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March 07, 2023 Filed Mar 9, 2023 21:51 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 OtherCommon Stock 30,569 $0.00 $0.00
Disclosure

SEC source: 0000919574-23-002105 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 0

F5 · kind: Represents Common Stock of the Issuer distributed by the Berkshire Entities (as defined aboove) to certain of their limited partners and members. The Reporting Person disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest, if any, therein.

F3 · ownership.nature: 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.

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March 07, 2023 Filed Mar 9, 2023 21:51 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 OtherCommon Stock 1,767,235 $0.00 $0.00
Disclosure

SEC source: 0000919574-23-002105 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,467,649

F5 · kind: Represents Common Stock of the Issuer distributed by the Berkshire Entities (as defined aboove) to certain of their limited partners and members. The Reporting Person disclaims beneficial ownership in the reported securities except to the extent of his pecuniary interest, if any, therein.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 77 $136.00 $10,472.02
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 21

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 28,880

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136 to $136.0075. 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 · ownership.nature: 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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 338 $135.56 $45,820.56
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 20

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 28,957

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135 to $135.9999. 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.

F4 · ownership.nature: 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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 76 $136.00 $10,336.02
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 14

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 30,569

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136 to $136.0075. 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.

F3 · ownership.nature: 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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 333 $135.56 $45,142.75
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 13

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 30,645

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135 to $135.9999. 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.

F3 · ownership.nature: 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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 4,847 $136.00 $659,192.97
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 7

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,234,884

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136 to $136.0075. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 15, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 21,135 $135.56 $2,865,140.91
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 6

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,239,731

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135 to $135.9999. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 28 $136.50 $3,822.00
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 19

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 29,295

F4 · ownership.nature: 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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 908 $135.76 $123,272.08
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 18

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 29,323

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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 · ownership.nature: 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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 27 $136.50 $3,685.50
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 12

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 30,978

F3 · ownership.nature: 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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 894 $135.76 $121,371.41
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 11

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 31,005

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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.

F3 · ownership.nature: 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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 1,745 $136.50 $238,192.50
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 5

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,260,866

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 14, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 56,788 $135.76 $7,709,663.81
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 4

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,262,611

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 11 $137.65 $1,514.15
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 17

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 30,231

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $137.5 to $138.05. 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 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 754 $136.62 $103,011.56
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 16

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 30,242

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136.5 to $137.4999. 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 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 85 $135.51 $11,518.15
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 15

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors IV LLC

Disclosed balance after: 30,996

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 11 $137.65 $1,514.15
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 10

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 31,899

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $137.5 to $138.05. 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.

F3 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 743 $136.62 $101,508.73
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 9

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 31,910

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136.5 to $137.4999. 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.

F3 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 83 $135.51 $11,247.14
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 8

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Berkshire Investors III LLC

Disclosed balance after: 32,653

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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.

F3 · ownership.nature: 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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 678 $137.65 $93,326.70
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,319,399

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $137.5 to $138.05. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 47,180 $136.62 $6,445,736.32
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 2

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,320,077

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $136.5 to $137.4999. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 13, 2022 Filed Sep 15, 2022 23:32 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 5,303 $135.51 $718,597.33
Disclosure

SEC source: 0000919574-22-005569 · ownership.xml · nonDerivative · entry 1

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,367,257

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $135.5 to $136.4999. 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 08, 2022 Filed Sep 9, 2022 20:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 83,884 $138.65 $11,630,826.97
Disclosure

SEC source: 0000919574-22-005494 · ownership.xml · nonDerivative · entry 6

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,372,560

F10 · price: 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 08, 2022 Filed Sep 9, 2022 20:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 131,116 $137.85 $18,074,930.62
Disclosure

SEC source: 0000919574-22-005494 · ownership.xml · nonDerivative · entry 5

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,456,444

F9 · price: 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 08, 2022 Filed Sep 9, 2022 20:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 223,720 $136.86 $30,618,587.66
Disclosure

SEC source: 0000919574-22-005494 · ownership.xml · nonDerivative · entry 4

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,587,560

F8 · price: 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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September 08, 2022 Filed Sep 9, 2022 20:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 16,000 $135.87 $2,173,966.40
Disclosure

SEC source: 0000919574-22-005494 · ownership.xml · nonDerivative · entry 3

Seetharam Anil · CIK 0001676191 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,811,280

F7 · price: 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.

F1 · ownership.nature: 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.

F2 · ownership.nature: (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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.