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Advanced Drainage Systems, Inc.(WMS US)

$125.58+2.071.68%Ext:$144.65+19.0715.19%(Market Closed · 01:00:04 UTC)

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Advanced Drainage Systems, Inc.(WMS US)

$125.58+2.071.68%Ext:$144.65+19.0715.19%(Market Closed · 01:00:04 UTC)

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

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WMS US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Advanced Drainage Systems, Inc.(WMS US)

$125.58+2.071.68%Ext:$144.65+19.0715.19%(Market Closed · 01:00:04 UTC)

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Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

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WMS US

Home Stock Screener Document Search Charting Watchlists Recent Filings

Advanced Drainage Systems, Inc.(WMS US)

$125.58+2.071.68%Ext:$144.65+19.0715.19%(Market Closed · 01:00:04 UTC)

Ask AI

Doc Search Profile Entity StructureFinancials Charting Short Interest Employees

Overview

Profile Entity Structure

Documents

SEC Filings

Categorized Chronological By Owner

Financials & Metrics

Financials Charting Short Interest Employees

WMS US

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WMS US

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SEC Filings by Owner

Insider Ownership

MAKOWSKI TIM A(43)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024

KLEIN ROBERT M(40)

Form 4Statement of changes in beneficial ownership29 May 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership14 Feb 2024
Form 4Statement of changes in beneficial ownership9 Nov 2023
Form 4Statement of changes in beneficial ownership11 Aug 2023
Form 4Statement of changes in beneficial ownership23 May 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership19 May 2023

BARBOUR D. SCOTT(36)

Form 4Statement of changes in beneficial ownership24 Aug
Form 4Statement of changes in beneficial ownership17 Jun
Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership17 Mar
Form 4Statement of changes in beneficial ownership6 Mar
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025

JONES ROSS M(34)

Form 4Statement of changes in beneficial ownership1 Mar 2024
Form 4Statement of changes in beneficial ownership14 Sep 2023
Form 4Statement of changes in beneficial ownership7 Sep 2023
Form 4Statement of changes in beneficial ownership1 Sep 2023
Form 4Statement of changes in beneficial ownership25 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Mar 2023
Form 4Statement of changes in beneficial ownership15 Sep 2022
Form 4Statement of changes in beneficial ownership9 Sep 2022
Form 4Statement of changes in beneficial ownership18 Aug 2022

HARVEY DARIN S.(33)

Form 4Statement of changes in beneficial ownership11 Jun 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership23 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership9 Aug 2023

Cottrill Scott A(31)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024

LEEUWENBURG EWOUT(26)

Form 4Statement of changes in beneficial ownership1 Jun 2020
Form 4Statement of changes in beneficial ownership27 May 2020
Form 4Statement of changes in beneficial ownership14 Feb 2020
Form 4Statement of changes in beneficial ownership11 Feb 2020
Form 4Statement of changes in beneficial ownership11 Dec 2019
Form 4Statement of changes in beneficial ownership21 Nov 2019
Form 4Statement of changes in beneficial ownership20 Nov 2019
Form 4Statement of changes in beneficial ownership18 Nov 2019
Form 4PRIMARY DOCUMENT3 Jun 2019
Form 4Statement of changes in beneficial ownership24 May 2019

TALLEY KEVIN C(25)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership23 May 2023

VITARELLI RONALD R(24)

Form 4Statement of changes in beneficial ownership25 May 2021
Form 4Statement of changes in beneficial ownership21 May 2021
Form 4Statement of changes in beneficial ownership10 Feb 2021
Form 4Statement of changes in beneficial ownership17 Aug 2020
Form 4Statement of changes in beneficial ownership27 May 2020
Form 4Statement of changes in beneficial ownership22 May 2020
Form 4Statement of changes in beneficial ownership20 Feb 2020
Form 4Statement of changes in beneficial ownership11 Feb 2020
Form 4Statement of changes in beneficial ownership14 Nov 2019
Form 4Statement of changes in beneficial ownership29 May 2019

EVERSOLE ROBERT M(23)

Form 4Statement of changes in beneficial ownership3 Sep
Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership5 Dec 2025
Form 4Statement of changes in beneficial ownership12 Nov 2025
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership23 Feb 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership31 Aug 2021

Seetharam Anil(21)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership1 Mar 2024
Form 4Statement of changes in beneficial ownership14 Sep 2023
Form 4Statement of changes in beneficial ownership7 Sep 2023
Form 4Statement of changes in beneficial ownership1 Sep 2023
Form 4Statement of changes in beneficial ownership25 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Mar 2023

WAUN THOMAS J. SR.(21)

Form 4Statement of changes in beneficial ownership1 Dec 2025
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024

KING BRIAN W.(21)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership18 Dec 2023

FISCHER ALEXANDER R(19)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership28 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership22 Aug 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership11 Feb 2021

HUEBERT MICHAEL G.(19)

Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership8 Mar 2024
Form 4Statement of changes in beneficial ownership18 Dec 2023
Form 4Statement of changes in beneficial ownership16 Nov 2023
Form 4Statement of changes in beneficial ownership18 Aug 2023
Form 4Statement of changes in beneficial ownership13 Jun 2023
Form 4Statement of changes in beneficial ownership23 May 2023

Berkshire Partners LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Fund, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Absolute Return Fund, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Partners LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Investors III LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Investors IV LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Haney Mark(15)

Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership21 Feb 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership10 Feb 2021
Form 4Statement of changes in beneficial ownership12 Nov 2020
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019

Berkshire Partners Holdings LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

BPSP, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

CHLAPATY JOSEPH A(15)

Form 4Statement of changes in beneficial ownership14 Nov 2019
Form 4Statement of changes in beneficial ownership29 Aug 2018
Form 4Statement of changes in beneficial ownership17 Aug 2018
Form 4Statement of changes in beneficial ownership13 Jun 2018
Form 4Statement of changes in beneficial ownership6 Jun 2018
Form 4Statement of changes in beneficial ownership14 Feb 2018
Form 4Statement of changes in beneficial ownership17 Oct 2017
Form 4Statement of changes in beneficial ownership16 Jun 2017
Form 4Statement of changes in beneficial ownership7 Jun 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017

Berkshire Fund IX, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Fund IX-A, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

COLEMAN MICHAEL B.(15)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership4 Dec 2025
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership11 Dec 2024
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership6 Dec 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership29 Nov 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership10 Nov 2021

MOORE ROY E. JR.(14)

Form 4/AStatement of changes in beneficial ownership (amendment)23 May 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership19 May 2023
Form 4Statement of changes in beneficial ownership12 Jan 2023
Form 4/AStatement of changes in beneficial ownership (amendment)23 May 2022
Form 4Statement of changes in beneficial ownership20 May 2022
Form 4Statement of changes in beneficial ownership4 Apr 2022
Form 4Statement of changes in beneficial ownership21 May 2021
Form 4Statement of changes in beneficial ownership22 May 2020
Form 4/AStatement of changes in beneficial ownership (amendment)12 Jun 2020

FRATTO TANYA D(13)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017

FUSSNER THOMAS M(12)

Form 4Statement of changes in beneficial ownership16 Mar 2018
Form 4Statement of changes in beneficial ownership14 Feb 2018
Form 4Statement of changes in beneficial ownership29 Jan 2018
Form 4Statement of changes in beneficial ownership7 Dec 2017
Form 4Statement of changes in beneficial ownership27 Oct 2017
Form 4Statement of changes in beneficial ownership16 Feb 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership14 Jun 2016
Form 4Statement of changes in beneficial ownership21 May 2015
Form 4Statement of changes in beneficial ownership18 May 2015

PEREZ DE LA MESA MANUEL J(10)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Nov 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 3Initial statement of beneficial ownership23 Jul 2019
Form 4Statement of changes in beneficial ownership25 Jul 2019

TAYLOR CRAIG J.(10)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership27 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 3Initial statement of beneficial ownership9 Jun 2023

KIDDER C ROBERT(9)

Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership16 Dec 2014
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

NELSON CARL A JR(9)

Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 3Initial statement of beneficial ownership5 Aug 2016

WEXNER ABIGAIL S(8)

Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership3 Mar 2015
Form 4Statement of changes in beneficial ownership20 Feb 2015
Form 4Statement of changes in beneficial ownership18 Feb 2015
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

CHAIBI ANESA(8)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership3 Sep 2020
Form 3Initial statement of beneficial ownership4 Aug 2020

STURGEON MARK B(7)

Form 4Statement of changes in beneficial ownership26 May 2015
Form 4Statement of changes in beneficial ownership20 May 2015
Form 4Statement of changes in beneficial ownership19 May 2015
Form 4Statement of changes in beneficial ownership18 May 2015
Form 4Statement of changes in beneficial ownership6 Feb 2015
Form 4Statement of changes in beneficial ownership13 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

GAST KELLY S.(6)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 3Initial statement of beneficial ownership25 Jul 2022

Martz Bret(6)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership19 Mar
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership19 Mar 2025
Form 3Initial statement of beneficial ownership19 Mar 2025

ROSENTHAL RICHARD A(5)

Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

ASP ADS Investco, LLC(5)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership17 Dec 2014
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

Coyle Patrick M. Jr(5)

Form 4Statement of changes in beneficial ownership3 Sep
Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 3Initial statement of beneficial ownership17 Nov 2025

American Securities Partners V(B), L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Partners V, L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Partners V (C) L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

AMERICAN SECURITIES LLC(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Associates V, LLC(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

KISSAM LUTHER C IV(3)

Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 3Initial statement of beneficial ownership22 Jul 2024

HORING DAVID L(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

LOVETT MARK A(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

≥5% Ownership

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(9)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.8 Mar 2016
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

VANGUARD GROUP INC(8)

SC 13G/AAdvanced Drainage Systems, Inc.26 Mar
SC 13G/AAdvanced Drainage Systems, Inc.13 Feb 2024
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2023
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.10 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.11 Feb 2019
SC 13GAdvanced Drainage Systems, Inc.12 Feb 2018

WELLINGTON MANAGEMENT GROUP LLP(8)

SC 13G/AAdvanced Drainage Systems, Inc.10 Nov 2020
SC 13G/AAdvanced Drainage Systems, Inc.8 Jan 2020
SC 13G/AAdvanced Drainage Systems, Inc.10 Oct 2019
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.8 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.10 Jun 2016
SC 13GAdvanced Drainage Systems, Inc.11 Feb 2016

CHLAPATY JOSEPH A(8)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

BlackRock Inc.(5)

SC 13G/AAdvanced Drainage Systems, Inc.7 Aug 2024
SC 13GAdvanced Drainage Systems, Inc.25 Jan 2024
SC 13G/AAdvanced Drainage Systems, Inc.12 Jul 2021
SC 13G/AAdvanced Drainage Systems, Inc.29 Jan 2021
SC 13GAdvanced Drainage Systems, Inc.7 Feb 2020

12 West Capital Management LP(5)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13G/AAdvanced Drainage Systems, Inc.17 Feb 2015
SC 13GAdvanced Drainage Systems, Inc.15 Dec 2014

WADDELL & REED FINANCIAL INC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.13 Feb 2015

PRINCIPAL FINANCIAL GROUP INC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Nov 2024
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2024
SC 13GAdvanced Drainage Systems, Inc.7 Feb 2023

Stockbridge Partners LLC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.27 Aug 2015

UNIVERSITY OF NOTRE DAME DU LAC(2)

SC 13G/AAdvanced Drainage Systems, Inc.4 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.9 Feb 2015

Kleinwort Benson Investors Dublin Ltd(2)

SC 13G/AAdvanced Drainage Systems, Inc.13 Feb 2015
SC 13GAdvanced Drainage Systems, Inc.1 Aug 2014

DELAWARE CHARTER GUARANTEE & TRUST CO(1)

SC 13GAdvanced Drainage Systems, Inc.13 Feb

American Securities Partners V, L.P.(1)

SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

AMERICAN SECURITIES LLC(1)

SC 13G/AAdvanced Drainage Systems, Inc.1 Dec 2017

Impax Asset Management Group Plc(1)

SC 13GAdvanced Drainage Systems, Inc.14 Feb 2019

BlackRock, Inc.(1)

SC 13G/AAdvanced Drainage Systems, Inc.17 Jul 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

SC 13GAdvanced Drainage Systems, Inc.29 Apr

Insider Ownership

MAKOWSKI TIM A(43)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024

KLEIN ROBERT M(40)

Form 4Statement of changes in beneficial ownership29 May 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership14 Feb 2024
Form 4Statement of changes in beneficial ownership9 Nov 2023
Form 4Statement of changes in beneficial ownership11 Aug 2023
Form 4Statement of changes in beneficial ownership23 May 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership19 May 2023

BARBOUR D. SCOTT(36)

Form 4Statement of changes in beneficial ownership24 Aug
Form 4Statement of changes in beneficial ownership17 Jun
Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership17 Mar
Form 4Statement of changes in beneficial ownership6 Mar
Form 4Statement of changes in beneficial ownership26 Nov 2025
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025

JONES ROSS M(34)

Form 4Statement of changes in beneficial ownership1 Mar 2024
Form 4Statement of changes in beneficial ownership14 Sep 2023
Form 4Statement of changes in beneficial ownership7 Sep 2023
Form 4Statement of changes in beneficial ownership1 Sep 2023
Form 4Statement of changes in beneficial ownership25 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Mar 2023
Form 4Statement of changes in beneficial ownership15 Sep 2022
Form 4Statement of changes in beneficial ownership9 Sep 2022
Form 4Statement of changes in beneficial ownership18 Aug 2022

HARVEY DARIN S.(33)

Form 4Statement of changes in beneficial ownership11 Jun 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership21 Feb 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership23 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership9 Aug 2023

Cottrill Scott A(31)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024

LEEUWENBURG EWOUT(26)

Form 4Statement of changes in beneficial ownership1 Jun 2020
Form 4Statement of changes in beneficial ownership27 May 2020
Form 4Statement of changes in beneficial ownership14 Feb 2020
Form 4Statement of changes in beneficial ownership11 Feb 2020
Form 4Statement of changes in beneficial ownership11 Dec 2019
Form 4Statement of changes in beneficial ownership21 Nov 2019
Form 4Statement of changes in beneficial ownership20 Nov 2019
Form 4Statement of changes in beneficial ownership18 Nov 2019
Form 4PRIMARY DOCUMENT3 Jun 2019
Form 4Statement of changes in beneficial ownership24 May 2019

TALLEY KEVIN C(25)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership23 May 2023

VITARELLI RONALD R(24)

Form 4Statement of changes in beneficial ownership25 May 2021
Form 4Statement of changes in beneficial ownership21 May 2021
Form 4Statement of changes in beneficial ownership10 Feb 2021
Form 4Statement of changes in beneficial ownership17 Aug 2020
Form 4Statement of changes in beneficial ownership27 May 2020
Form 4Statement of changes in beneficial ownership22 May 2020
Form 4Statement of changes in beneficial ownership20 Feb 2020
Form 4Statement of changes in beneficial ownership11 Feb 2020
Form 4Statement of changes in beneficial ownership14 Nov 2019
Form 4Statement of changes in beneficial ownership29 May 2019

EVERSOLE ROBERT M(23)

Form 4Statement of changes in beneficial ownership3 Sep
Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership5 Dec 2025
Form 4Statement of changes in beneficial ownership12 Nov 2025
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership23 Feb 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership31 Aug 2021

Seetharam Anil(21)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership1 Mar 2024
Form 4Statement of changes in beneficial ownership14 Sep 2023
Form 4Statement of changes in beneficial ownership7 Sep 2023
Form 4Statement of changes in beneficial ownership1 Sep 2023
Form 4Statement of changes in beneficial ownership25 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Mar 2023

WAUN THOMAS J. SR.(21)

Form 4Statement of changes in beneficial ownership1 Dec 2025
Form 4Statement of changes in beneficial ownership13 Nov 2025
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024

KING BRIAN W.(21)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership23 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership18 Dec 2023

FISCHER ALEXANDER R(19)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership28 Aug 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership22 Aug 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership11 Feb 2021

HUEBERT MICHAEL G.(19)

Form 4Statement of changes in beneficial ownership3 Jun 2024
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 4Statement of changes in beneficial ownership8 Mar 2024
Form 4Statement of changes in beneficial ownership18 Dec 2023
Form 4Statement of changes in beneficial ownership16 Nov 2023
Form 4Statement of changes in beneficial ownership18 Aug 2023
Form 4Statement of changes in beneficial ownership13 Jun 2023
Form 4Statement of changes in beneficial ownership23 May 2023

Berkshire Partners LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Fund, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Absolute Return Fund, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Stockbridge Partners LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Investors III LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Investors IV LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Haney Mark(15)

Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership21 Feb 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership10 Feb 2021
Form 4Statement of changes in beneficial ownership12 Nov 2020
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019

Berkshire Partners Holdings LLC(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

BPSP, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

CHLAPATY JOSEPH A(15)

Form 4Statement of changes in beneficial ownership14 Nov 2019
Form 4Statement of changes in beneficial ownership29 Aug 2018
Form 4Statement of changes in beneficial ownership17 Aug 2018
Form 4Statement of changes in beneficial ownership13 Jun 2018
Form 4Statement of changes in beneficial ownership6 Jun 2018
Form 4Statement of changes in beneficial ownership14 Feb 2018
Form 4Statement of changes in beneficial ownership17 Oct 2017
Form 4Statement of changes in beneficial ownership16 Jun 2017
Form 4Statement of changes in beneficial ownership7 Jun 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017

Berkshire Fund IX, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

Berkshire Fund IX-A, L.P.(15)

Form 4Statement of changes in beneficial ownership16 Dec 2021
Form 4Statement of changes in beneficial ownership15 Nov 2021
Form 4Statement of changes in beneficial ownership16 Sep 2021
Form 4Statement of changes in beneficial ownership12 Mar 2021
Form 4Statement of changes in beneficial ownership22 Feb 2021
Form 4Statement of changes in beneficial ownership14 Dec 2020
Form 4Statement of changes in beneficial ownership18 Nov 2020
Form 4Statement of changes in beneficial ownership13 Nov 2020
Form 4Statement of changes in beneficial ownership15 Jun 2020
Form 4Statement of changes in beneficial ownership7 Oct 2019

COLEMAN MICHAEL B.(15)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership4 Dec 2025
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership11 Dec 2024
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership6 Dec 2023
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership29 Nov 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership10 Nov 2021

MOORE ROY E. JR.(14)

Form 4/AStatement of changes in beneficial ownership (amendment)23 May 2023
Form 4Statement of changes in beneficial ownership22 May 2023
Form 4Statement of changes in beneficial ownership19 May 2023
Form 4Statement of changes in beneficial ownership12 Jan 2023
Form 4/AStatement of changes in beneficial ownership (amendment)23 May 2022
Form 4Statement of changes in beneficial ownership20 May 2022
Form 4Statement of changes in beneficial ownership4 Apr 2022
Form 4Statement of changes in beneficial ownership21 May 2021
Form 4Statement of changes in beneficial ownership22 May 2020
Form 4/AStatement of changes in beneficial ownership (amendment)12 Jun 2020

FRATTO TANYA D(13)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017

FUSSNER THOMAS M(12)

Form 4Statement of changes in beneficial ownership16 Mar 2018
Form 4Statement of changes in beneficial ownership14 Feb 2018
Form 4Statement of changes in beneficial ownership29 Jan 2018
Form 4Statement of changes in beneficial ownership7 Dec 2017
Form 4Statement of changes in beneficial ownership27 Oct 2017
Form 4Statement of changes in beneficial ownership16 Feb 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership14 Jun 2016
Form 4Statement of changes in beneficial ownership21 May 2015
Form 4Statement of changes in beneficial ownership18 May 2015

PEREZ DE LA MESA MANUEL J(10)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership9 Nov 2022
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 3Initial statement of beneficial ownership23 Jul 2019
Form 4Statement of changes in beneficial ownership25 Jul 2019

TAYLOR CRAIG J.(10)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership27 May 2025
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership16 May 2025
Form 4Statement of changes in beneficial ownership24 May 2024
Form 4Statement of changes in beneficial ownership21 May 2024
Form 4Statement of changes in beneficial ownership17 May 2024
Form 3Initial statement of beneficial ownership9 Jun 2023

KIDDER C ROBERT(9)

Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership16 Dec 2014
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

NELSON CARL A JR(9)

Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership27 Jul 2020
Form 4Statement of changes in beneficial ownership25 Jul 2019
Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 3Initial statement of beneficial ownership5 Aug 2016

WEXNER ABIGAIL S(8)

Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership3 Mar 2015
Form 4Statement of changes in beneficial ownership20 Feb 2015
Form 4Statement of changes in beneficial ownership18 Feb 2015
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

CHAIBI ANESA(8)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 4Statement of changes in beneficial ownership26 Jul 2021
Form 4Statement of changes in beneficial ownership3 Sep 2020
Form 3Initial statement of beneficial ownership4 Aug 2020

STURGEON MARK B(7)

Form 4Statement of changes in beneficial ownership26 May 2015
Form 4Statement of changes in beneficial ownership20 May 2015
Form 4Statement of changes in beneficial ownership19 May 2015
Form 4Statement of changes in beneficial ownership18 May 2015
Form 4Statement of changes in beneficial ownership6 Feb 2015
Form 4Statement of changes in beneficial ownership13 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

GAST KELLY S.(6)

Form 4Statement of changes in beneficial ownership20 Jul
Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 4Statement of changes in beneficial ownership24 Jul 2023
Form 4Statement of changes in beneficial ownership25 Jul 2022
Form 3Initial statement of beneficial ownership25 Jul 2022

Martz Bret(6)

Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership21 May
Form 4Statement of changes in beneficial ownership19 Mar
Form 4Statement of changes in beneficial ownership21 May 2025
Form 4Statement of changes in beneficial ownership19 Mar 2025
Form 3Initial statement of beneficial ownership19 Mar 2025

ROSENTHAL RICHARD A(5)

Form 4Statement of changes in beneficial ownership26 Jul 2018
Form 4Statement of changes in beneficial ownership18 Sep 2017
Form 4Statement of changes in beneficial ownership10 Feb 2017
Form 4Statement of changes in beneficial ownership9 Sep 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

ASP ADS Investco, LLC(5)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership17 Dec 2014
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

Coyle Patrick M. Jr(5)

Form 4Statement of changes in beneficial ownership3 Sep
Form 4Statement of changes in beneficial ownership28 May
Form 4Statement of changes in beneficial ownership27 May
Form 4Statement of changes in beneficial ownership21 May
Form 3Initial statement of beneficial ownership17 Nov 2025

American Securities Partners V(B), L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Partners V, L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Partners V (C) L.P.(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

AMERICAN SECURITIES LLC(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

American Securities Associates V, LLC(4)

Form 4Statement of changes in beneficial ownership17 Feb 2017
Form 4Statement of changes in beneficial ownership10 Dec 2014
Form 4Statement of changes in beneficial ownership25 Aug 2014
Form 3Initial statement of beneficial ownership24 Jul 2014

KISSAM LUTHER C IV(3)

Form 4Statement of changes in beneficial ownership21 Jul 2025
Form 4Statement of changes in beneficial ownership22 Jul 2024
Form 3Initial statement of beneficial ownership22 Jul 2024

HORING DAVID L(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

LOVETT MARK A(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(1)

Form 3Initial statement of beneficial ownership24 Jul 2014

≥5% Ownership

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(9)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.8 Mar 2016
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

VANGUARD GROUP INC(8)

SC 13G/AAdvanced Drainage Systems, Inc.26 Mar
SC 13G/AAdvanced Drainage Systems, Inc.13 Feb 2024
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2023
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.10 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.11 Feb 2019
SC 13GAdvanced Drainage Systems, Inc.12 Feb 2018

WELLINGTON MANAGEMENT GROUP LLP(8)

SC 13G/AAdvanced Drainage Systems, Inc.10 Nov 2020
SC 13G/AAdvanced Drainage Systems, Inc.8 Jan 2020
SC 13G/AAdvanced Drainage Systems, Inc.10 Oct 2019
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.8 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.10 Jun 2016
SC 13GAdvanced Drainage Systems, Inc.11 Feb 2016

CHLAPATY JOSEPH A(8)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2022
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2021
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2020
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2019
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

BlackRock Inc.(5)

SC 13G/AAdvanced Drainage Systems, Inc.7 Aug 2024
SC 13GAdvanced Drainage Systems, Inc.25 Jan 2024
SC 13G/AAdvanced Drainage Systems, Inc.12 Jul 2021
SC 13G/AAdvanced Drainage Systems, Inc.29 Jan 2021
SC 13GAdvanced Drainage Systems, Inc.7 Feb 2020

12 West Capital Management LP(5)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2018
SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13G/AAdvanced Drainage Systems, Inc.17 Feb 2015
SC 13GAdvanced Drainage Systems, Inc.15 Dec 2014

WADDELL & REED FINANCIAL INC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.12 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.13 Feb 2015

PRINCIPAL FINANCIAL GROUP INC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Nov 2024
SC 13G/AAdvanced Drainage Systems, Inc.9 Feb 2024
SC 13GAdvanced Drainage Systems, Inc.7 Feb 2023

Stockbridge Partners LLC(3)

SC 13G/AAdvanced Drainage Systems, Inc.14 Feb 2017
SC 13G/AAdvanced Drainage Systems, Inc.16 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.27 Aug 2015

UNIVERSITY OF NOTRE DAME DU LAC(2)

SC 13G/AAdvanced Drainage Systems, Inc.4 Feb 2016
SC 13GAdvanced Drainage Systems, Inc.9 Feb 2015

Kleinwort Benson Investors Dublin Ltd(2)

SC 13G/AAdvanced Drainage Systems, Inc.13 Feb 2015
SC 13GAdvanced Drainage Systems, Inc.1 Aug 2014

DELAWARE CHARTER GUARANTEE & TRUST CO(1)

SC 13GAdvanced Drainage Systems, Inc.13 Feb

American Securities Partners V, L.P.(1)

SC 13GAdvanced Drainage Systems, Inc.17 Feb 2015

AMERICAN SECURITIES LLC(1)

SC 13G/AAdvanced Drainage Systems, Inc.1 Dec 2017

Impax Asset Management Group Plc(1)

SC 13GAdvanced Drainage Systems, Inc.14 Feb 2019

BlackRock, Inc.(1)

SC 13G/AAdvanced Drainage Systems, Inc.17 Jul 2025

VANGUARD CAPITAL MANAGEMENT LLC(1)

SC 13GAdvanced Drainage Systems, Inc.29 Apr

Advanced Drainage Systems, Inc.(WMS US)

Advanced Drainage Systems, Inc.(WMS US)

Advanced Drainage Systems, Inc.(WMS US)

Advanced Drainage Systems, Inc.(WMS US)

SEC Filings by Owner

SEC Filings by Owner

Insider Ownership

MAKOWSKI TIM A(43)

KLEIN ROBERT M(40)

BARBOUR D. SCOTT(36)

JONES ROSS M(34)

HARVEY DARIN S.(33)

Cottrill Scott A(31)

LEEUWENBURG EWOUT(26)

TALLEY KEVIN C(25)

VITARELLI RONALD R(24)

EVERSOLE ROBERT M(23)

Seetharam Anil(21)

WAUN THOMAS J. SR.(21)

KING BRIAN W.(21)

FISCHER ALEXANDER R(19)

HUEBERT MICHAEL G.(19)

Berkshire Partners LLC(15)

Stockbridge Fund, L.P.(15)

Stockbridge Absolute Return Fund, L.P.(15)

Stockbridge Partners LLC(15)

Berkshire Investors III LLC(15)

Berkshire Investors IV LLC(15)

Haney Mark(15)

Berkshire Partners Holdings LLC(15)

BPSP, L.P.(15)

CHLAPATY JOSEPH A(15)

Berkshire Fund IX, L.P.(15)

Berkshire Fund IX-A, L.P.(15)

COLEMAN MICHAEL B.(15)

MOORE ROY E. JR.(14)

FRATTO TANYA D(13)

FUSSNER THOMAS M(12)

PEREZ DE LA MESA MANUEL J(10)

TAYLOR CRAIG J.(10)

KIDDER C ROBERT(9)

NELSON CARL A JR(9)

WEXNER ABIGAIL S(8)

CHAIBI ANESA(8)

STURGEON MARK B(7)

GAST KELLY S.(6)

Martz Bret(6)

ROSENTHAL RICHARD A(5)

ASP ADS Investco, LLC(5)

Coyle Patrick M. Jr(5)

American Securities Partners V(B), L.P.(4)

American Securities Partners V, L.P.(4)

American Securities Partners V (C) L.P.(4)

AMERICAN SECURITIES LLC(4)

American Securities Associates V, LLC(4)

KISSAM LUTHER C IV(3)

HORING DAVID L(1)

LOVETT MARK A(1)

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(1)

≥5% Ownership

Berkshire Partners Holdings LLC(11)

ADVANCED DRAINAGE SYSTEMS, INC. EMPLOYEE STOCK OWNERSHIP PLAN(9)

VANGUARD GROUP INC(8)

WELLINGTON MANAGEMENT GROUP LLP(8)

CHLAPATY JOSEPH A(8)

BlackRock Inc.(5)

12 West Capital Management LP(5)

WADDELL & REED FINANCIAL INC(3)

PRINCIPAL FINANCIAL GROUP INC(3)

Stockbridge Partners LLC(3)

UNIVERSITY OF NOTRE DAME DU LAC(2)

Kleinwort Benson Investors Dublin Ltd(2)

DELAWARE CHARTER GUARANTEE & TRUST CO(1)

American Securities Partners V, L.P.(1)

AMERICAN SECURITIES LLC(1)

Impax Asset Management Group Plc(1)

BlackRock, Inc.(1)

VANGUARD CAPITAL MANAGEMENT LLC(1)

Insider Ownership

MAKOWSKI TIM A(43)