Quick Takeaways
- WLDN - Willdan Group, Inc. has 18 insiders with reported activity on this page.
- Net insider value flow over the last year: -$50,410,571.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 18 Insiders of Willdan Group, Inc.
- Symbol
- WLDN on Nasdaq
- Location
- Anaheim, CA
What Changed
- Buy value: ; sell value: $50,410,571.
- Net share flow: -522,439.
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
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$50,410,571.
Buys
$0
Shares: 0
Insiders: 0
Sells
$50,410,571
Shares: 522,439
Insiders: 8
Net
-$50,410,571
Shares: -522,439
Insiders: -8
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 6,000 | $0 | $490,920 | -$490,920 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 416,439 | $0 | $44,925,577 | -$44,925,577 |
| 9-12 | 0 | 100,000 | $0 | $4,994,075 | -$4,994,075 |
Willdan Group, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Forager Fund, L.P. | 10%+ Owner | $37,643,831 | Mixed | 09 Jul 2024 | ||
| Michael A. Bieber | PRESIDENT AND CEO, Director | $25,865,761 | -$1,202,750 | -4.4% | Mixed | 25 Mar 2026 |
| Thomas D. Brisbin | Director | $10,995,379 | -$44,028,015 | -80% | Mixed | 11 Mar 2026 |
| Creighton K. Early | Executive Vp And Cfo | $8,154,310 | -$1,171,217 | -13% | Mixed | 25 Mar 2026 |
| Micah Chen | Executive Vp & General Counsel | $5,188,183 | -$2,047,000 | -28% | Mixed | 25 Mar 2026 |
| Keith Renken | Director | $3,500,484 | Mixed | 07 Jun 2023 | ||
| Keith W. Renken | Director | $3,411,935 | Mixed | 09 Jun 2022 | ||
| Raymond W. Holdsworth Jr. | Director | $2,485,957 | Mixed | 09 Jun 2021 | ||
| Douglas James McEachern | Director | $2,474,668 | Mixed | 09 Jun 2021 | ||
| Steven A. Cohen | Director | $1,705,865 | -$781,770 | -31% | Filing P/S | 06 Mar 2026 |
| Daniel Chow | Chief Operating Officer | $1,502,995 | Mixed | 09 Jun 2021 | ||
| Wanda Kay Reder | Director | $1,275,354 | -$101,541 | -7.4% | Filing P/S | 14 Aug 2025 |
| Dennis V McGinn | Director | $1,204,605 | -$775,923 | -39% | Filing P/S | 18 Sep 2025 |
| Cynthia A. Downes | Director | $974,911 | -$302,355 | -24% | Filing P/S | 15 Aug 2025 |
| Mohammad Shahidehpour | Director | $654,660 | Mixed | 11 Jun 2025 | ||
| Paul Milton Whitelaw | Svp, Business Development | $630,665 | Mixed | 28 Mar 2022 | ||
| Adam C. Procell | Chief Strategy Officer | $432,003 | Mixed | 07 Sep 2021 | ||
| Debra Coy | Director | $254,089 | Mixed | 09 Jun 2021 |
Top shareholders of Willdan Group, 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 |
6.3%
from 13D/G
|
1,314,906
|
$136,303,157 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
8.2%
|
1,201,517
|
$124,549,252 | — | 31 Dec 2025 | |
| Forager Fund, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
1,257,540
|
$37,643,831 | — | 09 Jul 2024 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.3%
|
343,000
|
$35,561,176 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
305,845
|
$31,703,893 | — | 31 Dec 2025 | |
| Divisadero Street Capital Management, LP |
13F
|
Company |
2%
|
298,932
|
$30,987,291 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
2%
|
295,737
|
$30,656,097 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2%
|
287,278
|
$29,784,796 | — | 31 Dec 2025 | |
| WASATCH ADVISORS LP |
13F
|
Company |
1.8%
|
261,471
|
$27,104,084 | — | 31 Dec 2025 | |
| Michael A. Bieber |
3/4/5
|
PRESIDENT AND CEO, Director |
1.7%
|
249,525
|
$25,865,761 | -$1,202,750 | 25 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
1.6%
|
237,697
|
$24,639,671 | — | 31 Dec 2025 | |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
|
Company |
1.4%
|
210,586
|
$21,829,345 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
1.4%
|
207,590
|
$21,518,779 | — | 31 Dec 2025 | |
| Handelsbanken Fonder AB |
13F
|
Company |
1.4%
|
199,671
|
$20,698,000 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
1.3%
|
185,077
|
$19,185,083 | — | 31 Dec 2025 | |
| RBF Capital, LLC |
13F
|
Company |
1.3%
|
184,600
|
$19,135,636 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1.2%
|
178,805
|
$19,071,341 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.2%
|
179,898
|
$18,648,226 | — | 31 Dec 2025 | |
| Swedbank AB |
13F
|
Company |
1.2%
|
174,800
|
$18,119,768 | — | 31 Dec 2025 | |
| Summit Creek Advisors LLC |
13F
|
Company |
1.2%
|
169,188
|
$17,538,028 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
1.1%
|
167,041
|
$17,315,470 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
1.1%
|
154,300
|
$15,994,738 | — | 31 Dec 2025 | |
| Valiant Capital Management, L.P. |
13F
|
Company |
1%
|
152,531
|
$15,811,364 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1%
|
146,219
|
$15,157,061 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.99%
|
145,881
|
$15,117,000 | — | 31 Dec 2025 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
0.99%
|
145,676
|
$15,101,000 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.99%
|
144,840
|
$15,014,114 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.89%
|
130,933
|
$13,572,673 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.86%
|
125,847
|
$13,045,300 | — | 31 Dec 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.74%
|
109,087
|
$11,308,000 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
0.74%
|
108,400
|
$11,237,000 | — | 31 Dec 2025 | |
| Thomas D. Brisbin |
3/4/5
|
Director |
—
mixed-class rows
|
185,182
mixed-class rows
|
$10,995,379 | -$44,028,015 | 11 Mar 2026 | |
| Trexquant Investment LP |
13F
|
Company |
0.62%
|
90,306
|
$9,361,120 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.6%
|
88,582
|
$9,182,410 | — | 31 Dec 2025 | |
| Asset Management One Co., Ltd. |
13F
|
Company |
0.55%
|
79,980
|
$8,852,233 | — | 31 Dec 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.56%
|
82,820
|
$8,585,121 | — | 31 Dec 2025 | |
| Creighton K. Early |
3/4/5
|
EXECUTIVE VP AND CFO |
0.54%
|
78,664
|
$8,154,310 | -$1,171,217 | 25 Mar 2026 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
|
Company |
0.52%
|
76,921
|
$7,973,631 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.52%
|
76,558
|
$7,936,002 | — | 31 Dec 2025 | |
| BARD ASSOCIATES INC |
13F
|
Company |
0.5%
|
73,367
|
$7,605,224 | — | 31 Dec 2025 | |
| KORNITZER CAPITAL MANAGEMENT INC /KS |
13F
|
Company |
0.48%
|
70,991
|
$7,358,927 | — | 31 Dec 2025 | |
| Janney Montgomery Scott LLC |
13F
|
Company |
0.46%
|
68,186
|
$7,068,000 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.45%
|
65,838
|
$6,824,000 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.44%
|
64,418
|
$6,677,602 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.43%
|
63,664
|
$6,599,437 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.42%
|
62,031
|
$6,430,133 | — | 31 Dec 2025 | |
| PANAGORA ASSET MANAGEMENT INC |
13F
|
Company |
0.42%
|
61,154
|
$6,339,224 | — | 31 Dec 2025 | |
| SG Americas Securities, LLC |
13F
|
Company |
0.41%
|
60,357
|
$6,257,000 | — | 31 Dec 2025 | |
| Portolan Capital Management, LLC |
13F
|
Company |
0.39%
|
57,613
|
$5,972,164 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.36%
|
52,811
|
$5,474,388 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for Willdan Group, 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Micah Chen | WLDN | Common Stock | Tax liability | -3.21% | -1,660 | 50,050 | 25 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Award | 7.89% | 3,780 | 51,710 | 25 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -2.52% | -6,444 | 249,525 | 25 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Award | 6.56% | 15,750 | 255,969 | 25 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -2.65% | -2,142 | 78,664 | 25 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Award | 4.91% | 3,780 | 80,806 | 25 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Tax liability | -1.27% | -615 | 47,930 | 20 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -0.98% | -2,387 | 240,219 | 20 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -1.02% | -794 | 77,026 | 20 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -1.07% | -2,625 | 242,606 | 17 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Tax liability | -1.37% | -676 | 48,545 | 17 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -1.11% | -873 | 77,820 | 17 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Tax liability | -3.58% | -1,826 | 49,221 | 16 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Award | 8.87% | 4,158 | 51,047 | 16 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -2.81% | -7,090 | 245,231 | 16 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Award | 7.37% | 17,326 | 252,321 | 16 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -2.91% | -2,356 | 78,693 | 16 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Award | 5.41% | 4,158 | 81,049 | 16 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Tax liability | -3.57% | -1,738 | 46,889 | 11 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Award | 8.87% | 3,960 | 48,627 | 11 Mar 2026 | Direct | ||
| Thomas D. Brisbin | WLDN | Common Stock | Award | 35% | 24,750 | 95,446 | 11 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -3.17% | -7,697 | 234,995 | 11 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Award | 8.4% | 18,810 | 242,692 | 11 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -2.84% | -2,244 | 76,891 | 11 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Award | 5.27% | 3,960 | 79,135 | 11 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Tax liability | -0.91% | -410 | 44,667 | 09 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -0.8% | -1,814 | 223,882 | 09 Mar 2026 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -5.42% | -4,307 | 75,175 | 09 Mar 2026 | Direct | ||
| Steven A. Cohen | WLDN | Common Stock | Sale | -22.4% | $490,920 | $81.82 | -6,000 | 20,849 | 06 Mar 2026 | Direct |
| Creighton K. Early | WLDN | Common Stock | Award | 7.62% | 5,625 | 79,482 | 03 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Award | 11.1% | 4,500 | 45,077 | 03 Mar 2026 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Award | 8.67% | 18,000 | 225,696 | 03 Mar 2026 | Direct | ||
| Micah Chen | WLDN | Common Stock | Sale | -19.8% | $1,060,000 | $106.00 | -10,000 | 40,423 | 18 Sep 2025 | Direct |
| Micah Chen | WLDN | Common Stock | Options Exercise | 24.7% | 10,000 | 50,423 | 18 Sep 2025 | Direct | ||
| Micah Chen | WLDN | Stock Options (Right to Buy) | Options Exercise | -20% | -10,000 | 40,000 | 18 Sep 2025 | Direct | ||
| Dennis V McGinn | WLDN | Common Stock | Sale | -39.2% | $775,923 | $106.32 | -7,298 | 11,330 | 18 Sep 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Sale | -6.83% | $612,253 | $118.15 | -5,182 | 70,696 | 25 Aug 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Options Exercise | 7.33% | 5,182 | 75,878 | 25 Aug 2025 | Direct | ||
| Thomas D. Brisbin | WLDN | Stock Options (Right to Buy) | Options Exercise | -5.46% | -5,182 | 89,736 | 25 Aug 2025 | Direct | ||
| Thomas D. Brisbin | WLDN | Common Stock | Sale | -62.4% | $12,784,497 | $108.72 | -117,595 | 70,696 | 22 Aug 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Sale | -39.9% | $13,052,879 | $104.42 | -125,000 | 188,291 | 21 Aug 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Sale | -2.31% | $771,527 | $104.19 | -7,405 | 313,291 | 20 Aug 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Sale | -28.9% | $14,268,935 | $109.69 | -130,082 | 320,696 | 18 Aug 2025 | Direct |
| Thomas D. Brisbin | WLDN | Common Stock | Options Exercise | 1.14% | 5,082 | 450,778 | 18 Aug 2025 | Direct | ||
| Thomas D. Brisbin | WLDN | Common Stock | Award | 5.06% | 21,461 | 445,696 | 18 Aug 2025 | Direct | ||
| Thomas D. Brisbin | WLDN | Stock Options (Right to Buy) | Options Exercise | -5.08% | -5,082 | 94,918 | 18 Aug 2025 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Tax liability | -1.96% | -1,470 | 73,681 | 18 Aug 2025 | Direct | ||
| Creighton K. Early | WLDN | Common Stock | Award | 3.77% | 2,732 | 75,151 | 18 Aug 2025 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Tax liability | -3.17% | -6,788 | 207,542 | 18 Aug 2025 | Direct | ||
| Michael A. Bieber | WLDN | Common Stock | Award | 6.44% | 12,963 | 214,330 | 18 Aug 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.