Key facts
- 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.
Insider Transactions Reported by 28 Insiders of ADVANCED DRAINAGE SYSTEMS, INC.
- Symbol
- WMS on NYSE
- Location
- Hilliard, OH
Change
- Buy value: ; sell value: $15,357,548.
- Net share flow: -103,736.
Research use
- 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.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet 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 | 12,069 | $0 | $1,847,655 | -$1,847,655 |
| 6-9 | 0 | 87,203 | $0 | $12,990,329 | -$12,990,329 |
| 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 |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
|
Company |
8.9%
from 13D/G
|
7,422,729
|
$1,017,878,779 | — | 31 Mar 2026 | |
| 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 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
5.1%
|
3,979,172
|
$545,663,856 | $0 | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.6%
|
3,615,687
|
$495,819,158 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
3.2%
|
2,489,531
|
$341,389,386 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
3.1%
|
2,450,123
|
$335,985,368 | — | 31 Mar 2026 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
2.8%
|
2,204,801
|
$302,290,275 | — | 31 Mar 2026 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
2.6%
|
2,047,349
|
$280,752,969 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
2.6%
|
2,044,057
|
$280,301,449 | — | 31 Mar 2026 | |
| Impax Asset Management Group plc |
13F
|
Company |
2.5%
|
1,927,510
|
$264,319,446 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2.1%
|
1,657,753
|
$227,327,669 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.7%
|
1,344,795
|
$184,456,288 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.7%
|
1,333,340
|
$182,841,559 | — | 31 Mar 2026 | |
| Amundi |
13F
|
Individual |
1.7%
|
1,288,672
|
$176,734,018 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
1.5%
|
1,191,778
|
$163,396,426 | — | 31 Mar 2026 | |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
|
Company |
1.4%
|
1,106,423
|
$151,723,861 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.4%
|
1,063,231
|
$145,800,867 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
1.3%
|
982,528
|
$134,734,063 | — | 31 Mar 2026 | |
| KBC Group NV |
13F
|
Company |
1.2%
|
916,981
|
$125,746,000 | — | 31 Mar 2026 | |
| Impactive Capital LP |
13F
|
Company |
1.1%
|
856,492
|
$117,450,748 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.9%
|
702,650
|
$96,354,395 | — | 31 Mar 2026 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.84%
|
655,684
|
$89,913,947 | — | 31 Mar 2026 | |
| Capital International Investors |
13F
|
Company |
0.82%
|
639,021
|
$87,628,950 | — | 31 Mar 2026 | |
| Mirova US LLC |
13F
|
Company |
0.81%
|
628,843
|
$86,233,241 | — | 31 Mar 2026 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.76%
|
592,581
|
$81,278,314 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.76%
|
589,186
|
$80,795,077 | — | 31 Mar 2026 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.75%
|
585,972
|
$80,349,804 | — | 31 Mar 2026 | |
| WESTWOOD HOLDINGS GROUP INC |
13F
|
Company |
0.71%
|
553,211
|
$75,861,830 | — | 31 Mar 2026 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.7%
|
550,000
|
$75,421,500 | — | 31 Mar 2026 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.7%
|
546,406
|
$74,928,655 | — | 31 Mar 2026 | |
| Triodos Investment Management BV |
13F
|
Company |
0.69%
|
536,711
|
$73,599,179 | — | 31 Mar 2026 | |
| Liontrust Investment Partners LLP |
13F
|
Company |
0.67%
|
524,782
|
$71,963,356 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.67%
|
519,242
|
$71,203,568 | — | 31 Mar 2026 | |
| SCHRODER INVESTMENT MANAGEMENT GROUP |
13F
|
Company |
0.67%
|
525,787
|
$69,119,959 | — | 31 Mar 2026 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.63%
|
489,307
|
$67,098,667 | — | 31 Mar 2026 | |
| BROWN BROTHERS HARRIMAN & CO |
13F
|
Company |
0.58%
|
455,614
|
$62,478,348 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.58%
|
451,763
|
$61,950,309 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.58%
|
449,649
|
$61,660,367 | — | 31 Mar 2026 | |
| D. Scott Barbour |
3/4/5
|
President & Chief Executive Officer, Director |
0.46%
|
357,407
|
$60,977,120 | -$11,920,363 | 13 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.56%
|
439,577
|
$60,279,169 | — | 31 Mar 2026 | |
| ACK Asset Management LLC |
13F
|
Company |
0.5%
|
390,000
|
$53,480,700 | — | 31 Mar 2026 | |
| Interval Partners, LP |
13F
|
Company |
0.5%
|
388,875
|
$53,326,429 | — | 31 Mar 2026 | |
| Allianz Asset Management GmbH |
13F
|
Company |
0.49%
|
381,401
|
$52,301,519 | — | 31 Mar 2026 | |
| Hill City Capital, LP |
13F
|
Company |
0.47%
|
370,000
|
$50,738,100 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.46%
|
358,948
|
$49,222,691 | — | 31 Mar 2026 | |
| Corient Private Wealth LLC |
13F
|
Company |
0.44%
|
342,161
|
$46,915,332 | — | 31 Mar 2026 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.41%
|
318,746
|
$43,709,685 | — | 31 Mar 2026 | |
| Robeco Schweiz AG |
13F
|
Company |
0.4%
|
308,404
|
$42,291,441 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.38%
|
298,712
|
$40,962,376 | — | 31 Mar 2026 |
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 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.