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Berkshire Partners Holdings LLC

Disclosed activity across 3 companies

Tapewire entity
79479
SEC CIK
0001597786

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Portillo's Inc.PTLO · Entity 5886Director · 10% ownerMay 19, 2025May 21, 2025

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.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeIndirectBy Berkshire Fund VIII, L.P.0 Last balance in matching sequence After 2025-05-19 transaction · row 2 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 1 · 2025-05-19 · Conversion · Acquired 6,521,015 · Balance 6,521,015

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F2: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Row 2 · 2025-05-19 · Sale · Disposed 6,521,015 · Balance 0

F1: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F2: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Class A Common StockSEC Table I · non-derivativeIndirectBy Berkshire Investors III LLC0 Last balance in matching sequence After 2025-05-19 transaction · row 4 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 3 · 2025-05-19 · Conversion · Acquired 179,210 · Balance 179,210

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Row 4 · 2025-05-19 · Sale · Disposed 179,210 · Balance 0

F1: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Class A Common StockSEC Table I · non-derivativeIndirectBy Berkshire Investors IV LLC0 Last balance in matching sequence After 2025-05-19 transaction · row 6 Source-order balances reconcile. Account continuity and personal attribution are not independently verified.
2 source rows

Row 5 · 2025-05-19 · Conversion · Acquired 590,240 · Balance 590,240

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Row 6 · 2025-05-19 · Sale · Disposed 590,240 · Balance 0

F1: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Class A Common StockSEC Table I · non-derivativeIndirectBy Berkshire Fund VIII-A, L.P.1,045,630 Reported balance After 2025-05-19 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2025-05-19 · Sale · Disposed 2,709,535 · Balance 1,045,630

F1: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F3: Securities held by VIII-A may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

LLC Units of PHD Group Holdings LLCSEC Table II · derivative / convertible securityIndirectBy Berkshire Fund VIII, L.P.2,516,498 Reported balance After 2025-05-19 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2025-05-19 · Conversion · Disposed 6,521,015 · Balance 2,516,498

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F2: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

LLC Units of PHD Group Holdings LLCSEC Table II · derivative / convertible securityIndirectBy Berkshire Investors III LLC69,164 Reported balance After 2025-05-19 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2025-05-19 · Conversion · Disposed 179,210 · Balance 69,164

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

LLC Units of PHD Group Holdings LLCSEC Table II · derivative / convertible securityIndirectBy Berkshire Investors IV LLC227,775 Reported balance After 2025-05-19 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2025-05-19 · Conversion · Disposed 590,240 · Balance 227,775

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Class A Common StockSEC Table I · non-derivativeIndirectSee note64,050 Reported balance Holding disclosure · report date 2025-05-19 · row 8 Holding and transaction disclosures are not merged.
1 source row

Row 8 · Balance 64,050

F4: Represents restricted stock units granted to Joshua Lutzker for his service on the Board of Directors of the Issuer. Any securities that have been issued to Mr. Lutzker, and may be issued to Mr. Lutzker in the future, for service as a director are held by each of them for the benefit of funds or entities affiliated with BP.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Filing footnotes · ownership attribution and instrument terms

F1: On May 19, 2025, the following funds or entities affiliated with Berkshire Partners LLC ("BP") sold shares of Class A common stock of the Issuer in a block trade pursuant to Rule 144 as follows: 6,521,015 by Berkshire Fund VIII, L.P. ("VIII"); 179,210 by Berkshire Investors III LLC ("BI III"); 590,240 by Berkshire Investors IV LLC ("BI IV"); and 2,709,535 by Berkshire Fund VIII-A, L.P. ("VIII-A").

F2: Securities held by VIII may be deemed to be beneficially owned by Berkshire Partners Holdings LLC ("BPH"); BPSP, L.P. ("BPSP"); Eighth Berkshire Associates LLC ("8BA"), its general partner; and BP, its investment adviser.

F3: Securities held by VIII-A may be deemed to be beneficially owned by BPH; BPSP; 8BA, its general partner; and BP, its investment adviser. BPH is the general partner of BPSP, which is the managing member of BP. As the managing member of BP, BPSP may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of Class A common stock that are beneficially owned by BPSP.

F4: Represents restricted stock units granted to Joshua Lutzker for his service on the Board of Directors of the Issuer. Any securities that have been issued to Mr. Lutzker, and may be issued to Mr. Lutzker in the future, for service as a director are held by each of them for the benefit of funds or entities affiliated with BP.

F5: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of PHD Group Holdings LLC ("PHD Group Holdings"), dated as of October 20, 2021, LLC Units (as defined therein) directly held by certain of the Reporting Persons are exchangeable for shares of Class A common stock on a one-for-one basis, subject to certain exceptions, conditions and adjustments as set forth therein. The LLC Units have no expiration date.

F6: Joshua Lutzker is a Managing Director of BP and has a pecuniary interest in certain of the securities held by the other Reporting Persons by virtue of his position at BP and certain affiliated funds and entities. Each of the Reporting Persons, including Mr. Lutzker, disclaims beneficial ownership of any securities reported in this Form 4 except to the extent of their respective pecuniary interests therein. The inclusion of any securities in this Form 4 shall not be deemed an admission of beneficial ownership of the reported securities for purposes of the Act or for any other purpose. Certain of the Reporting Persons may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) under the Act.

Past disclosures · reporting ended (2)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Section 16 reporting ended · disclosed 2021-12-16. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote6,367,265 Reported balance After 2021-12-14 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2021-12-14 · Sale · Disposed 729,770 · Balance 6,367,265

F1: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 2,718,554 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,113,650 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 2,256,521 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 6,154 shares of the Issuer's common stock, and SP holds 272,386 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

Common StockSEC Table I · non-derivativeDirect63,995 Reported balance After 2021-12-14 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2021-12-14 · Sale · Disposed 10,114 · Balance 63,995

F3: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

Common StockSEC Table I · non-derivativeDirect62,107 Reported balance After 2021-12-14 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2021-12-14 · Sale · Disposed 10,116 · Balance 62,107

F4: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 2,718,554 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,113,650 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 2,256,521 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 6,154 shares of the Issuer's common stock, and SP holds 272,386 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

F3: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

F4: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

Section 16 reporting ended · disclosed 2018-08-01. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy Berkshire Fund VI, Limited Partnership4,810,454 Reported balance After 2018-07-30 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2018-07-30 · Sale · Disposed 2,633,406 · Balance 4,810,454

F1: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F2: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

Common StockSEC Table I · non-derivativeDirect62,499 Reported balance After 2018-07-30 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2018-07-30 · Sale · Disposed 34,215 · Balance 62,499

F1: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F3: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4: Represents shares held by Berkshire Investors.

Common StockSEC Table I · non-derivativeDirect25,458 Reported balance After 2018-07-30 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2018-07-30 · Sale · Disposed 13,936 · Balance 25,458

F1: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F3: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F5: Represents shares held by Berkshire Investors III.

Filing footnotes · ownership attribution and instrument terms

F1: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F2: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4: Represents shares held by Berkshire Investors.

F5: Represents shares held by Berkshire Investors III.

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
September 14, 2021 Filed Sep 16, 2021 16:11 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 1,425,823 $109.75 $156,484,074.25
Disclosure

SEC source: 0000919574-21-005875 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 7,717,117

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 3,605,195 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,476,861 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 2,346,506 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 6,364 shares of the Issuer's common stock, and SP holds 282,191 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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March 10, 2021 Filed Mar 12, 2021 16:33 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 19,045 $103.61 $1,973,252.45
Disclosure

SEC source: 0000919574-21-002414 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,268

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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March 10, 2021 Filed Mar 12, 2021 16:33 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 21,610 $103.61 $2,239,012.10
Disclosure

SEC source: 0000919574-21-002414 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,149

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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March 10, 2021 Filed Mar 12, 2021 16:33 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 1,455,341 $103.61 $150,787,881.01
Disclosure

SEC source: 0000919574-21-002414 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 9,142,940

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 4,271,425 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,749,781 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 2,823,741 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 7,675 shares of the Issuer's common stock, and SP holds 290,318 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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February 18, 2021 Filed Feb 22, 2021 12:20 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1 $96.75 $96.75
Disclosure

SEC source: 0000919574-21-001876 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 10,598,281

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 5,098,435 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,088,564 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,062,019 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 8,403 shares of the Issuer's common stock, and SP holds 340,860 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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December 10, 2020 Filed Dec 14, 2020 18:10 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 18,529 $75.00 $1,389,675.00
Disclosure

SEC source: 0000919574-20-007512 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,313

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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December 10, 2020 Filed Dec 14, 2020 18:10 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 22,598 $75.00 $1,694,850.00
Disclosure

SEC source: 0000919574-20-007512 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,759

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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December 10, 2020 Filed Dec 14, 2020 18:10 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 1,628,873 $75.00 $122,165,475.00
Disclosure

SEC source: 0000919574-20-007512 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 10,598,280

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 5,098,435 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,088,564 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,062,018 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 8,403 shares of the Issuer's common stock, and SP holds 340,860 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 18, 2020 Filed Nov 18, 2020 17:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 55,736 $64.19 $3,577,922.36
Disclosure

SEC source: 0000919574-20-007248 · ownership.xml · nonDerivative · entry 4

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,227,153

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0000 to $64.5200. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 17, 2020 Filed Nov 18, 2020 17:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 50,000 $64.14 $3,206,775.00
Disclosure

SEC source: 0000919574-20-007248 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,282,889

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0000 to $64.2550. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 16, 2020 Filed Nov 18, 2020 17:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 65,000 $65.55 $4,260,802.00
Disclosure

SEC source: 0000919574-20-007248 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,332,889

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $65.0570 to $65.8500. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 16, 2020 Filed Nov 18, 2020 17:43 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 25,000 $64.50 $1,612,490.00
Disclosure

SEC source: 0000919574-20-007248 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,397,889

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0570 to $65.0569. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,230 shares of the Issuer's common stock, and SP holds 393,740 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 13, 2020 Filed Nov 13, 2020 19:42 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 18,820 $64.15 $1,207,235.25
Disclosure

SEC source: 0000919574-20-007016 · ownership.xml · nonDerivative · entry 4

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,422,889

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.0470 to $64.2600. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 12, 2020 Filed Nov 13, 2020 19:42 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 800 $64.00 $51,200.00
Disclosure

SEC source: 0000919574-20-007016 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,441,709

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 11, 2020 Filed Nov 13, 2020 19:42 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 43,800 $65.38 $2,863,657.14
Disclosure

SEC source: 0000919574-20-007016 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,442,509

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $65.3200 to $65.5300. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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November 11, 2020 Filed Nov 13, 2020 19:42 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 SaleCommon Stock 76,200 $64.93 $4,947,292.62
Disclosure

SEC source: 0000919574-20-007016 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,486,309

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions within the range of $64.3200 to $65.3199. 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 ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,846 shares of the Issuer's common stock, and SP holds 607,680 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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June 11, 2020 Filed Jun 15, 2020 10:37 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1 $43.71 $43.71
Disclosure

SEC source: 0000919574-20-004114 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,842

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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June 11, 2020 Filed Jun 15, 2020 10:37 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1 $43.71 $43.71
Disclosure

SEC source: 0000919574-20-004114 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,357

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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June 11, 2020 Filed Jun 15, 2020 10:37 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 48 $43.71 $2,098.08
Disclosure

SEC source: 0000919574-20-004114 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,562,509

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,123 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,083 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 04, 2019 Filed Oct 7, 2019 19:05 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 9,373 $32.97 $309,044.68
Disclosure

SEC source: 0000919574-19-006273 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,562,461

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $32.8100 to $33.0000. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 04, 2019 Filed Oct 7, 2019 19:05 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 2,237 $32.41 $72,504.75
Disclosure

SEC source: 0000919574-19-006273 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,553,088

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.8100 to $32.8099. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 03, 2019 Filed Oct 7, 2019 19:05 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 85,400 $31.44 $2,684,796.66
Disclosure

SEC source: 0000919574-19-006273 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,550,851

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.2300 to $31.7200. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,344,977 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 10,192 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 02, 2019 Filed Oct 3, 2019 17:15 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 140,458 $31.57 $4,434,582.11
Disclosure

SEC source: 0000919574-19-006205 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,465,451

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.3800 to $31.9700. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 01, 2019 Filed Oct 3, 2019 17:15 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1,300 $32.98 $42,875.95
Disclosure

SEC source: 0000919574-19-006205 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,324,993

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $32.9700 to $32.9900. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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October 01, 2019 Filed Oct 3, 2019 17:15 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 88,115 $32.27 $2,843,048.10
Disclosure

SEC source: 0000919574-19-006205 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,323,693

F5 · shares: The purchase reported on this Form 4 was effective pursuant to a Rule 10b5-1 trading plan adopted by SF and SARF on September 13, 2019.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $31.9700 to $32.9699. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,248,261 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,898 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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September 10, 2019 Filed Sep 12, 2019 18:27 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 32,178 $29.75 $957,295.50
Disclosure

SEC source: 0000919574-19-005829 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,841

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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September 10, 2019 Filed Sep 12, 2019 18:27 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 36,132 $29.75 $1,074,927.00
Disclosure

SEC source: 0000919574-19-005829 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,356

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

Read SEC document
September 10, 2019 Filed Sep 12, 2019 18:27 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1,931,690 $29.75 $57,467,777.50
Disclosure

SEC source: 0000919574-19-005829 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,235,578

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 6,015,089 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 2,464,069 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,019,087 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,199 shares of the Issuer's common stock, and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

Read SEC document
August 28, 2018 Filed Aug 29, 2018 18:50 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 20,845 $30.08 $627,017.60
Disclosure

SEC source: 0000919574-18-005926 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,663

F5 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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August 28, 2018 Filed Aug 29, 2018 18:50 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 25,423 $30.08 $764,723.84
Disclosure

SEC source: 0000919574-18-005926 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,224

F4 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

Read SEC document
August 28, 2018 Filed Aug 29, 2018 18:50 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1,453,732 $30.08 $43,728,258.56
Disclosure

SEC source: 0000919574-18-005926 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 10,303,888

F3 · kind: Represents shares acquired by BF IX and BF IX-A.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 4,644,754 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,902,714 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,019,087 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,199 shares of the Issuer's common stock and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 16:21 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 13,936 $38.26 $533,183.00
Disclosure

SEC source: 0000919574-18-005039 · ownership.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,458

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F5 · ownership.direct: Represents shares held by Berkshire Investors III.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 16:21 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 34,215 $38.26 $1,309,045.37
Disclosure

SEC source: 0000919574-18-005039 · ownership.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,499

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4 · ownership.direct: Represents shares held by Berkshire Investors.

Read SEC document
July 30, 2018 Filed Aug 1, 2018 16:21 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 2,633,406 $38.26 $100,752,533.52
Disclosure

SEC source: 0000919574-18-005039 · ownership.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Berkshire Fund VI, Limited Partnership

Disclosed balance after: 4,810,454

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC, KKR Capital Markets LLC, Morgan Stanley & Co. LLC, UBS Securities LLC, Wells Fargo Securities, LLC, Barclays Capital Inc., Guggenheim Securities, LLC, Mizuho Securities USA LLC and Macquarie Capital (USA) Inc. pursuant to an underwriting agreement and final prospectus supplement, each dated July 25, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,633,406, 34,215 and 13,936 shares of Common Stock, respectively, at $38.2594 per share. The Secondary Offering closed on July 30, 2018.

F2 · ownership.nature: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

Read SEC document
March 26, 2018 Filed Mar 28, 2018 16:36 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 1,757 $31.68 $55,661.76
Disclosure

SEC source: 0000919574-18-002720 · p7852979.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,394

F1 · shares: In connection with the secondary offering of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to underwriting agreement and final prospectus, each dated March 14, 2018, and the exercise of the underwriters' over-allotment option (the "Over-Allotment Option"), Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 331,961; 4,313 and 1,757 shares of Common Stock, respectively. The Over-Allotment Option closed on March 26, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F5 · ownership.direct: Represents shares held by Berkshire Investors III.

Read SEC document
March 26, 2018 Filed Mar 28, 2018 16:36 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 4,313 $31.68 $136,635.84
Disclosure

SEC source: 0000919574-18-002720 · p7852979.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,714

F1 · shares: In connection with the secondary offering of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to underwriting agreement and final prospectus, each dated March 14, 2018, and the exercise of the underwriters' over-allotment option (the "Over-Allotment Option"), Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 331,961; 4,313 and 1,757 shares of Common Stock, respectively. The Over-Allotment Option closed on March 26, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4 · ownership.direct: Represents shares held by Berkshire Investors.

Read SEC document
March 26, 2018 Filed Mar 28, 2018 16:36 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 331,961 $31.68 $10,516,524.48
Disclosure

SEC source: 0000919574-18-002720 · p7852979.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · Director · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Berkshire Fund VI, Limited Partnership

Disclosed balance after: 7,443,860

F1 · shares: In connection with the secondary offering of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to underwriting agreement and final prospectus, each dated March 14, 2018, and the exercise of the underwriters' over-allotment option (the "Over-Allotment Option"), Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 331,961; 4,313 and 1,757 shares of Common Stock, respectively. The Over-Allotment Option closed on March 26, 2018.

F2 · ownership.nature: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

Read SEC document
March 19, 2018 Filed Mar 21, 2018 16:15 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 9,760 $31.68 $309,196.80
Disclosure

SEC source: 0000919574-18-002627 · p7845164.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,103

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 1,844,230; 23,961 and 9,760 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F5 · ownership.direct: Represents shares held by Berkshire Investors III.

Read SEC document
March 19, 2018 Filed Mar 21, 2018 16:15 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 23,961 $31.68 $759,084.48
Disclosure

SEC source: 0000919574-18-002627 · p7845164.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,819

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 1,844,230; 23,961 and 9,760 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4 · ownership.direct: Represents shares held by Berkshire Investors.

Read SEC document
March 19, 2018 Filed Mar 21, 2018 16:15 UTC National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 1,844,230 $31.68 $58,425,206.40
Disclosure

SEC source: 0000919574-18-002627 · p7845164.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Berkshire Fund VI, Limited Partnership

Disclosed balance after: 8,144,668

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 1,844,230; 23,961 and 9,760 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F2 · ownership.nature: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

Read SEC document
March 19, 2018 Filed Mar 28, 2018 16:22 UTC Amendment National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 11,712 $31.68 $371,036.16
Disclosure

SEC source: 0000919574-18-002716 · p7854662.xml · nonDerivative · entry 3

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,151

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,213,077; 28,753 and 11,712 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F5 · ownership.direct: Represents shares held by Berkshire Investors III.

Read SEC document
March 19, 2018 Filed Mar 28, 2018 16:22 UTC Amendment National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 28,753 $31.68 $910,895.04
Disclosure

SEC source: 0000919574-18-002716 · p7854662.xml · nonDerivative · entry 2

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,027

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,213,077; 28,753 and 11,712 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F3 · ownership.direct: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

F4 · ownership.direct: Represents shares held by Berkshire Investors.

Read SEC document
March 19, 2018 Filed Mar 28, 2018 16:22 UTC Amendment National Vision Holdings, Inc. EYE · Entity 1716 SaleCommon Stock 2,213,077 $31.68 $70,110,279.36
Disclosure

SEC source: 0000919574-18-002716 · p7854662.xml · nonDerivative · entry 1

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

Sixth Berkshire Associates LLC · CIK 0001376601 · 10% owner

BERKSHIRE FUND VI, LTD PARTNERSHIP · CIK 0001223654 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

BERKSHIRE INVESTORS LLC · CIK 0001122645 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Berkshire Fund VI, Limited Partnership

Disclosed balance after: 7,775,821

F1 · shares: In connection with the secondary offering (the "Secondary Offering") of common stock, par value $0.01 per share (the "Common Stock") of the Issuer by certain selling shareholders to Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, Jefferies LLC and KKR Capital Markets LLC pursuant to an underwriting agreement and final prospectus, each dated March 14, 2018, Fund VI (as defined below), Berkshire Investors (as defined below) and Berkshire Investors III (as defined below), as selling shareholders, sold 2,213,077; 28,753 and 11,712 shares of Common Stock, respectively, at $31.68 per share. The Secondary Offering closed on March 19, 2018.

F2 · ownership.nature: Represents shares held by Berkshire Fund VI, Limited Partnership ("Fund VI"). Sixth Berkshire Associates LLC ("6BA") is the general partner of Fund VI, and Berkshire Partners LLC ("Berkshire Partners") is the investment adviser to Fund VI. Berkshire Partners Holdings LLC ("BPH") is the general partner of BPSP, L.P. ("BPSP"), which is the managing member of Berkshire Partners. As a result, each of BPH, BPSP, Berkshire Partners and 6BA may be deemed to indirectly beneficially own the shares held by Fund VI. Each of the Reporting Persons disclaims beneficial ownership of the shares held by Fund VI, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: BPH, BPSP, Berkshire Partners, Fund VI, 6BA, Berkshire Investors LLC ("Berkshire Investors") and Berkshire Investors III LLC ("Berkshire Investors III") may be deemed to constitute a "group" for purposes of Section 13(d) of the Exchange Act although they do not admit to being part of a group nor have they agreed to act as part of a group.

Read SEC document
August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 26,840 $21.00 $563,599.74
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 12

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,316

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $20.8500 to $21.0000. 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 purchased at each separate price within the ranges set forth in this footnote.

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 25,969 $21.00 $545,310.05
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 11

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,946

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $20.8500 to $21.0000. 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 purchased at each separate price within the ranges set forth in this footnote.

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 2,019,728 $21.00 $42,411,258.41
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 10

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,851,513

F8 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $20.8500 to $21.0000. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 3,614,444 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,480,649 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,019,087 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,199 shares of the Issuer's common stock and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1,486 $20.33 $30,217.51
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 9

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,476

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.8500 to $20.8499. 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 purchased at each separate price within the ranges set forth in this footnote.

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 1,438 $20.33 $29,241.44
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 8

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,977

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.8500 to $20.8499. 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 purchased at each separate price within the ranges set forth in this footnote.

F3 · ownership.direct: Represents shares held directly by Berkshire Investors III LLC. Berkshire Investors III LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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August 07, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 111,841 $20.33 $2,274,264.37
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 7

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 6,831,785

F7 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.8500 to $20.8499. 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 purchased at each separate price within the ranges set forth in this footnote.

F1 · ownership.nature: Represents shares that may be deemed to be indirectly beneficially owned by Berkshire Partners Holdings LLC ("BPH"), BPSP, L.P. ("BPSP"), Stockbridge Partners LLC ("SP") and Berkshire Partners LLC ("BP"). Berkshire Fund IX, L.P. ("BF IX") holds 3,614,444 shares of the Issuer's common stock, and Berkshire Fund IX-A, L.P. ("BF IX-A") holds 1,480,649 shares of the Issuer's common stock. Ninth Berkshire Associates LLC ("9BA") is the general partner of BF IX and BF IX-A. Stockbridge Fund, L.P. (f/k/a Stockbridge Special Situations Fund, L.P.) ("SF") holds 3,019,087 shares of the Issuer's common stock, Stockbridge Absolute Return Fund, L.P. ("SARF") holds 9,199 shares of the Issuer's common stock and SP holds 728,134 shares of the Issuer's common stock on behalf of certain other accounts. Stockbridge Associates LLC ("SA") is the general partner of SF and SARF.

F2 · ownership.nature: (Continued from Footnote 1) BPH is the general partner of BPSP, which is the managing member of each of SP, the registered investment adviser of SF, SARF and certain other accounts holding shares of the Issuer, and BP, the registered investment adviser of BF IX and BF IX-A. As the managing member of SP and BP, BPSP may be deemed to beneficially own shares of common stock that are beneficially owned by SP and BP. As the general partner of BPSP, BPH may be deemed to beneficially own shares of common stock that are beneficially owned by BPSP. BPH, BPSP, BP, SP, 9BA and SA are under common control and may be deemed to be, but do not admit to being, a group for purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of BPH, BPSP, BP, SP, 9BA and SA disclaims beneficial ownership of any securities except to the extent of its pecuniary interest therein.

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August 04, 2017 Filed Aug 7, 2017 20:03 UTC ADVANCED DRAINAGE SYSTEMS, INC. WMS · Entity 2328 PurchaseCommon Stock 514 $19.58 $10,061.96
Disclosure

SEC source: 0000919574-17-005768 · pwms8717-4.xml · nonDerivative · entry 6

Berkshire Partners Holdings LLC · CIK 0001597786 · 10% owner

BPSP, L.P. · CIK 0001597787 · 10% owner

Berkshire Partners LLC · CIK 0001312988 · 10% owner

Stockbridge Partners LLC · CIK 0001505183 · 10% owner

Berkshire Fund IX, L.P. · CIK 0001658315 · 10% owner

Berkshire Fund IX-A, L.P. · CIK 0001658319 · 10% owner

Stockbridge Fund, L.P. · CIK 0001501625 · 10% owner

Stockbridge Absolute Return Fund, L.P. · CIK 0001505182 · 10% owner

Berkshire Investors III LLC · CIK 0001505184 · 10% owner

Berkshire Investors IV LLC · CIK 0001505185 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,990

F6 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions within the range of $19.4500 to $20.0000. 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 purchased at each separate price within the ranges set forth in this footnote.

F4 · ownership.direct: Represents shares held directly by Berkshire Investors IV LLC. Berkshire Investors IV LLC may be deemed to be, but does not admit to being, a member of a group holding over 10% of the outstanding common stock of the Issuer for purposes of Section 13(d)(3) of the Act.

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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.