Insider Transactions Reported by 28 Insiders of ADVANCED DRAINAGE SYSTEMS, INC.

Symbol
WMS on NYSE
Location
Hilliard, OH

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Quick Takeaways

  • WMS - ADVANCED DRAINAGE SYSTEMS, INC. has 28 insiders with reported activity on this page.
  • Net insider value flow over the last year: -$15,357,549.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • Buy value: ; sell value: $15,357,548.
  • Net share flow: -103,736.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$15,357,549.

Buys

$0

Shares: 0

Insiders: 0

Sells

$15,357,549

Shares: 103,736

Insiders: 5

Net

-$15,357,549

Shares: -103,736

Insiders: -5

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 99,272 $0 $14,837,984 -$14,837,984
6-9 0 0 $0 $0 $0
9-12 0 4,464 $0 $519,565 -$519,565

ADVANCED DRAINAGE SYSTEMS, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Berkshire Partners Holdings LLC 10%+ Owner $905,667,057 Mixed 14 Dec 2021
D. Scott Barbour President & Chief Executive Officer, Director $60,977,120 -$11,920,363 -16% Mixed 13 Mar 2026
Roy E. Moore Jr. Executive Vice President $18,871,127 Mixed 18 May 2023
Robert M. Klein EVP, Sales $17,959,237 Filing P/S 24 May 2024
Scott A. Cottrill Evp, Cfo And Secretary $12,952,590 Mixed 22 May 2025
Ross M. Jones Director $11,532,087 Mixed 28 Feb 2024
Kevin C. Talley EVP and CAO $8,719,286 Mixed 22 May 2025
Robert M. Eversole Director $7,763,042 -$1,615,155 -17% Mixed 03 Dec 2025
Michael G. Huebert Executive Vice President $6,216,457 Mixed 31 May 2024
Ronald R. Vitarelli Evp $5,859,097 Mixed 22 May 2021
C. Robert Kidder Director $5,448,620 Mixed 22 Jul 2021
Carl A. Nelson Jr. Director $4,300,719 Mixed 20 Jul 2023
Tanya D. Fratto Director $3,381,708 Mixed 17 Jul 2025
Tim A. Makowski Vice President, Controller and Chief Accounting Officer $2,803,212 -$731,276 -21% Mixed 12 Nov 2025
Manuel J. Perez de la Mesa Director $2,674,859 Mixed 17 Jul 2025
Thomas J. Waun Sr. EVP, International $2,201,664 -$571,190 -21% Mixed 26 Nov 2025
Darin S. Harvey EVP, Supply Chain & Logistics $2,103,207 -$519,565 -20% Mixed 09 Jun 2025
Brian W. King Executive Vice President $2,049,922 Mixed 22 May 2025
Alexander R. Fischer Director $1,889,906 Mixed 17 Jul 2025
Anil Seetharam Director $1,798,017 Mixed 17 Jul 2025
Michael B. Coleman Director $1,731,305 Mixed 02 Dec 2025
Patrick M. Coyle Jr. Officer $1,449,117 Mixed 05 Nov 2025
Craig J. Taylor Executive Vice President $1,187,281 Mixed 22 May 2025
Mark Haney Director $941,392 Mixed 17 Jul 2025
Kelly S. Gast Director $904,063 Mixed 17 Jul 2025
Anesa Chaibi Director $871,557 Mixed 17 Jul 2025
Bret Martz Executive Vice President, Sales $332,860 Mixed 17 Mar 2026
Luther C. Kissam IV Director $226,503 Mixed 17 Jul 2025

Top shareholders of ADVANCED DRAINAGE SYSTEMS, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
VANGUARD GROUP INC
13F
Company
9.6%
7,410,388
$1,073,246,494 31 Dec 2025
13F
BlackRock, Inc.
13F 13D/G
Company
8.9%
from 13D/G
7,111,917
$1,030,018,922 31 Dec 2025
Berkshire Partners Holdings LLC
3/4/5
10%+ Owner
class O/S missing
6,429,372
$905,667,057 14 Dec 2021
DELAWARE CHARTER GUARANTEE & TRUST CO
13D/G
Advanced Drainage Systems Inc. Employee Stock Ownership Plan Trust
6%
4,629,213
$701,834,983 $0 31 Dec 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
3.3%
2,555,361
$370,092,934 31 Dec 2025
13F
STATE STREET CORP
13F
Company
3.2%
2,469,430
$357,647,547 31 Dec 2025
13F
FIRST TRUST ADVISORS LP
13F
Company
3.1%
2,422,676
$350,876,227 31 Dec 2025
13F
BAILLIE GIFFORD & CO
13F
Company
2.9%
2,244,014
$325,000,548 31 Dec 2025
13F
Impax Asset Management Group plc
13F
Company
2.7%
2,066,723
$299,323,492 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
2.2%
1,710,126
$247,678,015 31 Dec 2025
13F
Pictet Asset Management Holding SA
13F
Company
2.1%
1,658,503
$240,227,327 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
2%
1,513,938
$219,263,641 31 Dec 2025
13F
Impactive Capital LP
13F
Company
1.9%
1,457,746
$211,125,353 31 Dec 2025
13F
Amundi
13F
Individual
1.7%
1,279,576
$185,324,306 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.6%
1,271,453
$184,183,563 31 Dec 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
1.6%
1,264,156
$183,087,712 31 Dec 2025
13F
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13F
Company
1.5%
1,190,619
$172,437,387 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
1.5%
1,189,064
$172,224,082 31 Dec 2025
13F
NORGES BANK
13F
Company
1.4%
1,081,179
$156,587,155 31 Dec 2025
13F
Invesco Ltd.
13F
Company
1.3%
984,295
$142,555,444 31 Dec 2025
13F
Capital International Investors
13F
Company
1.2%
936,239
$135,595,494 31 Dec 2025
13F
KBC Group NV
13F
Company
1.2%
902,066
$130,646,000 31 Dec 2025
13F
CITADEL ADVISORS LLC
13F
Company
1.1%
862,695
$124,944,117 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.93%
717,958
$103,981,857 31 Dec 2025
13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
Company
0.89%
688,047
$99,649,847 31 Dec 2025
13F
Mirova US LLC
13F
Company
0.86%
660,992
$95,731,471 31 Dec 2025
13F
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
Company
0.8%
617,285
$90,710,031 31 Dec 2025
13F
JANUS HENDERSON GROUP PLC
13F
Company
0.78%
598,810
$86,728,630 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.76%
583,177
$84,461,525 31 Dec 2025
13F
Liontrust Investment Partners LLP
13F
Company
0.74%
573,573
$83,070,578 31 Dec 2025
13F
Triodos Investment Management BV
13F
Company
0.7%
538,011
$79,060,716 31 Dec 2025
13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
0.7%
542,119
$78,516,592 31 Dec 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.65%
503,777
$72,962,021 31 Dec 2025
13F
CANADA PENSION PLAN INVESTMENT BOARD
13F
Company
0.65%
499,783
$72,383,572 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.64%
490,205
$70,996,399 31 Dec 2025
13F
Allianz Asset Management GmbH
13F
Company
0.62%
477,885
$69,212,085 31 Dec 2025
13F
BROWN BROTHERS HARRIMAN & CO
13F
Company
0.61%
474,214
$68,680,414 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.6%
462,681
$67,010,136 31 Dec 2025
13F
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
0.59%
458,910
$66,463,935 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.59%
457,372
$66,241,164 31 Dec 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.58%
449,713
$65,131,946 31 Dec 2025
13F
WESTWOOD HOLDINGS GROUP INC
13F
Company
0.56%
429,342
$62,181,602 31 Dec 2025
13F
D. Scott Barbour
3/4/5
President & Chief Executive Officer, Director
0.46%
357,407
$60,977,120 -$11,920,363 13 Mar 2026
ACK Asset Management LLC
13F
Company
0.51%
390,000
$56,483,700 31 Dec 2025
13F
Corient Private Wealth LLC
13F
Company
0.58%
444,057
$53,545,486 31 Dec 2025
13F
FRANKLIN RESOURCES INC
13F
Company
0.48%
367,419
$53,213,294 31 Dec 2025
13F
TD ASSET MANAGEMENT INC
13F
Company
0.47%
365,488
$52,933,627 31 Dec 2025
13F
Robeco Schweiz AG
13F
Company
0.47%
364,310
$52,763,017 31 Dec 2025
13F
PGGM Investments
13F
Individual
0.44%
339,867
$49,223,000 31 Dec 2025
13F
STIFEL FINANCIAL CORP
13F
Company
0.41%
316,389
$45,822,781 31 Dec 2025
13F

Recent Insider Transactions by Companies or Individuals for ADVANCED DRAINAGE SYSTEMS, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Bret Martz WMS Common Stock Other -5.2% -107 1,951 17 Mar 2026 Direct
D. Scott Barbour WMS Common Stock Gift 6.95% 7,150 109,955 13 Mar 2026 Reporting Person's Irrevocable Trust
D. Scott Barbour WMS Common Stock Gift -11.9% -7,150 53,141 13 Mar 2026 Reporting Person's Revocable Trust
D. Scott Barbour WMS Common Stock Gift 511 511 04 Mar 2026 2023 GRAT Remainder Trust
D. Scott Barbour WMS Common Stock Gift -100% -511 0 04 Mar 2026 Reporting Person's 2023 GRAT
Robert M. Eversole WMS Common Stock Gift -2% -1,000 49,076 05 Dec 2025 Reporting Person's Revocable Trust
Robert M. Eversole WMS Common Stock Sale -17.4% $1,615,155 $152.82 -10,569 50,076 03 Dec 2025 Reporting Person's Revocable Trust
Michael B. Coleman WMS Common Stock Gift -1.75% -204 11,477 02 Dec 2025 Direct
Thomas J. Waun Sr. WMS Common Stock Sale -10% $232,500 $155.00 -1,500 13,470 26 Nov 2025 Direct
D. Scott Barbour WMS Common Stock Gift 46,500 46,500 25 Nov 2025 Reporting Person's 2025 GRAT
D. Scott Barbour WMS Common Stock Gift -55.4% -46,500 37,491 25 Nov 2025 Reporting Person's Revocable Trust
D. Scott Barbour WMS Common Stock Gift 20.9% 14,500 83,991 25 Nov 2025 Reporting Person's Revocable Trust
D. Scott Barbour WMS Common Stock Gift -55% -14,500 11,867 25 Nov 2025 Reporting Person's 2024 GRAT
D. Scott Barbour WMS Common Stock Gift -4.2% -1,800 41,067 25 Nov 2025 Direct
Thomas J. Waun Sr. WMS Common Stock Sale -6.26% $150,000 $150.00 -1,000 14,970 12 Nov 2025 Direct
D. Scott Barbour WMS Common Stock Sale -65.1% $11,920,363 $148.95 -80,030 42,867 12 Nov 2025 Direct
D. Scott Barbour WMS Common Stock Options Exercise 186.7% 80,030 122,897 12 Nov 2025 Direct
D. Scott Barbour WMS Option to Purchase Common Stock Options Exercise -100% -80,030 0 12 Nov 2025 Direct
Tim A. Makowski WMS Common Stock Sale -66.5% $731,276 $149.21 -4,901 2,467 12 Nov 2025 Direct
Thomas J. Waun Sr. WMS Common Stock Sale -61.5% $188,690 $148.30 -1,272 797 11 Nov 2025 By KSOP
Robert M. Eversole WMS Common Stock Gift 7.25% 4,100 60,645 10 Nov 2025 Reporting Person's Revocable Trust
Robert M. Eversole WMS Common Stock Gift -63.2% -4,100 2,386 10 Nov 2025 Direct
Anil Seetharam WMS Common Stock Award 15.8% 1,967 14,458 17 Jul 2025 Direct
Alexander R. Fischer WMS Common Stock Award 7.37% 1,130 16,454 17 Jul 2025 Direct
Kelly S. Gast WMS Common Stock Award 33.3% 1,967 7,871 17 Jul 2025 Direct
Tanya D. Fratto WMS Common Stock Award 3.99% 1,130 29,442 17 Jul 2025 Direct
Mark Haney WMS Common Stock Award 16% 1,130 8,196 17 Jul 2025 Direct
Luther C. Kissam IV WMS Common Stock Award 134.2% 1,130 1,972 17 Jul 2025 Direct
Michael B. Coleman WMS Common Stock Award 10.7% 1,130 11,681 17 Jul 2025 Direct
Anesa Chaibi WMS Common Stock Award 17.5% 1,130 7,588 17 Jul 2025 Direct
Manuel J. Perez de la Mesa WMS Common Stock Award 9.23% 1,967 23,288 17 Jul 2025 Direct
Robert M. Eversole WMS Common Stock Award 58.2% 2,386 6,486 17 Jul 2025 Direct
Darin S. Harvey WMS Common Stock Sale -60.7% $519,565 $116.39 -4,464 2,890 09 Jun 2025 Direct
Craig J. Taylor WMS Common Stock Tax liability -1.78% -177 9,743 27 May 2025 Direct
Craig J. Taylor WMS Common Stock Tax liability -1.51% -152 9,920 22 May 2025 Direct
Darin S. Harvey WMS Common Stock Tax liability -2.72% -206 7,354 22 May 2025 Direct
Thomas J. Waun Sr. WMS Common Stock Tax liability -1.01% -162 15,845 22 May 2025 Direct
D. Scott Barbour WMS Common Stock Tax liability -4.31% -1,930 42,867 22 May 2025 Direct
Kevin C. Talley WMS Common Stock Tax liability -0.39% -221 56,939 22 May 2025 Direct
Brian W. King WMS Common Stock Tax liability -0.99% -167 16,692 22 May 2025 Direct
Tim A. Makowski WMS Common Stock Tax liability -1.77% -133 7,368 22 May 2025 Direct
Scott A. Cottrill WMS Common Stock Tax liability -0.62% -615 99,153 22 May 2025 Direct
D. Scott Barbour WMS Common Stock Tax liability -2.5% -1,149 44,797 20 May 2025 Direct
Darin S. Harvey WMS Common Stock Tax liability -1.56% -120 7,560 20 May 2025 Direct
Tim A. Makowski WMS Common Stock Tax liability -1.12% -85 7,501 20 May 2025 Direct
Scott A. Cottrill WMS Common Stock Tax liability -0.34% -345 99,768 20 May 2025 Direct
Thomas J. Waun Sr. WMS Common Stock Tax liability -0.63% -101 16,007 20 May 2025 Direct
Kevin C. Talley WMS Common Stock Tax liability -0.22% -124 57,160 20 May 2025 Direct
Brian W. King WMS Common Stock Tax liability -0.61% -104 16,859 20 May 2025 Direct
D. Scott Barbour WMS Common Stock Tax liability -3.36% -1,599 45,946 19 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.