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.
Net insider flow leans to selling over the last 12 months. Net value: -$15,357,549.
$0
Shares: 0
Insiders: 0
$15,357,549
Shares: 103,736
Insiders: 5
-$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 |
| 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 |
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share 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 | |
| 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 | |
| STATE STREET CORP |
13F
|
Company |
3.2%
|
2,469,430
|
$357,647,547 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
3.1%
|
2,422,676
|
$350,876,227 | — | 31 Dec 2025 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
2.9%
|
2,244,014
|
$325,000,548 | — | 31 Dec 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
2.7%
|
2,066,723
|
$299,323,492 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2.2%
|
1,710,126
|
$247,678,015 | — | 31 Dec 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
2.1%
|
1,658,503
|
$240,227,327 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2%
|
1,513,938
|
$219,263,641 | — | 31 Dec 2025 | |
| Impactive Capital LP |
13F
|
Company |
1.9%
|
1,457,746
|
$211,125,353 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
1.7%
|
1,279,576
|
$185,324,306 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.6%
|
1,271,453
|
$184,183,563 | — | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.6%
|
1,264,156
|
$183,087,712 | — | 31 Dec 2025 | |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.5%
|
1,190,619
|
$172,437,387 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.5%
|
1,189,064
|
$172,224,082 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.4%
|
1,081,179
|
$156,587,155 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.3%
|
984,295
|
$142,555,444 | — | 31 Dec 2025 | |
| Capital International Investors |
13F
|
Company |
1.2%
|
936,239
|
$135,595,494 | — | 31 Dec 2025 | |
| KBC Group NV |
13F
|
Company |
1.2%
|
902,066
|
$130,646,000 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.1%
|
862,695
|
$124,944,117 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.93%
|
717,958
|
$103,981,857 | — | 31 Dec 2025 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.89%
|
688,047
|
$99,649,847 | — | 31 Dec 2025 | |
| Mirova US LLC |
13F
|
Company |
0.86%
|
660,992
|
$95,731,471 | — | 31 Dec 2025 | |
| SCHRODER INVESTMENT MANAGEMENT GROUP |
13F
|
Company |
0.8%
|
617,285
|
$90,710,031 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.78%
|
598,810
|
$86,728,630 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.76%
|
583,177
|
$84,461,525 | — | 31 Dec 2025 | |
| Liontrust Investment Partners LLP |
13F
|
Company |
0.74%
|
573,573
|
$83,070,578 | — | 31 Dec 2025 | |
| Triodos Investment Management BV |
13F
|
Company |
0.7%
|
538,011
|
$79,060,716 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.7%
|
542,119
|
$78,516,592 | — | 31 Dec 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.65%
|
503,777
|
$72,962,021 | — | 31 Dec 2025 | |
| CANADA PENSION PLAN INVESTMENT BOARD |
13F
|
Company |
0.65%
|
499,783
|
$72,383,572 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.64%
|
490,205
|
$70,996,399 | — | 31 Dec 2025 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.62%
|
477,885
|
$69,212,085 | — | 31 Dec 2025 | |
| BROWN BROTHERS HARRIMAN & CO |
13F
|
Company |
0.61%
|
474,214
|
$68,680,414 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.6%
|
462,681
|
$67,010,136 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
0.59%
|
458,910
|
$66,463,935 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.59%
|
457,372
|
$66,241,164 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.58%
|
449,713
|
$65,131,946 | — | 31 Dec 2025 | |
| WESTWOOD HOLDINGS GROUP INC |
13F
|
Company |
0.56%
|
429,342
|
$62,181,602 | — | 31 Dec 2025 | |
| 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 | |
| Corient Private Wealth LLC |
13F
|
Company |
0.58%
|
444,057
|
$53,545,486 | — | 31 Dec 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.48%
|
367,419
|
$53,213,294 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.47%
|
365,488
|
$52,933,627 | — | 31 Dec 2025 | |
| Robeco Schweiz AG |
13F
|
Company |
0.47%
|
364,310
|
$52,763,017 | — | 31 Dec 2025 | |
| PGGM Investments |
13F
|
Individual |
0.44%
|
339,867
|
$49,223,000 | — | 31 Dec 2025 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.41%
|
316,389
|
$45,822,781 | — | 31 Dec 2025 |
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 |