Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Willdan Group, Inc. (WLDN) since 2011 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Willdan Group, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1370450.
Total stock buying since 2011: $10,703,503.
Total stock sales since 2011: $99,350,138.
Total stock option exercises since 2011: $6,529,281.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 501,414 | $48,180,548 | 118,028 | $1,981,940 |
| 2024 | 0 | $0 | 740,165 | $23,877,133 | 144,166 | $1,568,780 |
| 2023 | 448,832 | $8,887,126 | 418,536 | $8,380,984 | 0 | $0 |
| 2022 | 83,100 | $1,331,345 | 114,046 | $3,115,639 | 25,000 | $228,249 |
| 2021 | 0 | $0 | 175,424 | $7,176,138 | 60,485 | $620,221 |
| 2020 | 3,000 | $71,810 | 141,688 | $3,737,566 | 70,000 | $270,698 |
| 2019 | 0 | $0 | 45,538 | $1,563,698 | 55,000 | $113,548 |
| 2018 | 0 | $0 | 11,209 | $302,125 | 29,667 | $90,994 |
| 2017 | 6,406 | $179,304 | 75,772 | $2,469,310 | 167,333 | $1,444,779 |
| 2016 | 7,267 | $82,944 | 22,998 | $448,008 | 17,000 | $53,830 |
| 2015 | 13,370 | $150,974 | 1,960 | $18,222 | 47,333 | $156,242 |
| 2011 | 0 | $0 | 2,116 | $80,767 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-08 | 0 | $0 | 399,141 | $43,097,373 | 18,028 | $237,492 |
| 2025-05 | 0 | $0 | 100,000 | $4,994,074 | 100,000 | $1,744,448 |
| 2025-03 | 0 | $0 | 2,273 | $89,101 | 0 | $0 |
| 2024-12 | 0 | $0 | 13,749 | $593,253 | 13,749 | $124,836 |
| 2024-11 | 0 | $0 | 35,772 | $1,560,668 | 12,672 | $170,944 |
| 2024-08 | 0 | $0 | 52,578 | $1,922,106 | 52,578 | $665,175 |
| 2024-07 | 0 | $0 | 188,230 | $5,634,665 | 0 | $0 |
| 2024-06 | 0 | $0 | 86,086 | $2,656,892 | 22,514 | $303,713 |
| 2024-05 | 0 | $0 | 330,847 | $10,541,028 | 42,653 | $304,112 |
| 2024-03 | 0 | $0 | 32,903 | $968,521 | 0 | $0 |
| 2023-08 | 385,537 | $7,751,221 | 397,570 | $8,034,974 | 0 | $0 |
| 2023-03 | 0 | $0 | 20,966 | $346,010 | 0 | $0 |
| 2023-01 | 63,295 | $1,135,905 | 0 | $0 | 0 | $0 |
| 2022-12 | 83,100 | $1,331,345 | 294 | $4,777 | 0 | $0 |
| 2022-09 | 0 | $0 | 2,418 | $49,520 | 0 | $0 |
| 2022-08 | 0 | $0 | 27,733 | $766,431 | 25,000 | $228,249 |
| 2022-06 | 0 | $0 | 3,000 | $80,430 | 0 | $0 |
| 2022-03 | 0 | $0 | 80,601 | $2,214,481 | 0 | $0 |
| 2021-12 | 0 | $0 | 33,342 | $1,380,757 | 11,000 | $176,990 |
| 2021-09 | 0 | $0 | 24,080 | $912,371 | 22,236 | $299,963 |
| 2021-06 | 0 | $0 | 21,109 | $825,719 | 0 | $0 |
| 2021-05 | 0 | $0 | 12,461 | $452,458 | 22,249 | $89,218 |
| 2021-03 | 0 | $0 | 84,432 | $3,604,833 | 5,000 | $54,050 |
| 2020-12 | 0 | $0 | 18,000 | $720,760 | 10,000 | $108,100 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-25 | Brisbin Thomas Donald | Sale | 5,182 | 118.15 | 612,253 |
| 2025-08-25 | Brisbin Thomas Donald | Option Ex | 5,182 | 16.27 | 84,311 |
| 2025-08-22 | Brisbin Thomas Donald | Sale | 117,595 | 107.63 | 12,656,632 |
| 2025-08-21 | Brisbin Thomas Donald | Sale | 125,000 | 104.29 | 13,036,250 |
| 2025-08-20 | Brisbin Thomas Donald | Sale | 7,405 | 104.19 | 771,526 |
| 2025-08-18 | Brisbin Thomas Donald | Sale | 130,082 | 110.86 | 14,421,150 |
| 2025-08-18 | Brisbin Thomas Donald | Option Ex | 5,082 | 16.27 | 82,684 |
| 2025-08-15 | Downes Cynthia | Sale | 2,763 | 109.43 | 302,355 |
| 2025-08-14 | Reder Wanda Kay | Sale | 850 | 119.46 | 101,541 |
| 2025-08-13 | Early Creighton K (EXECUTIVE VP AND CFO) | Sale | 7,764 | 116.54 | 904,816 |
| 2025-08-13 | Early Creighton K (EXECUTIVE VP AND CFO) | Option Ex | 7,764 | 9.08 | 70,497 |
| 2025-08-12 | Cohen Steven A | Sale | 2,500 | 116.34 | 290,850 |
| 2025-05-28 | Early Creighton K (EXECUTIVE VP AND CFO) | Sale | 5,000 | 53.28 | 266,400 |
| 2025-05-28 | Early Creighton K (EXECUTIVE VP AND CFO) | Option Ex | 5,000 | 9.08 | 45,400 |
| 2025-05-27 | Brisbin Thomas Donald | Sale | 22,459 | 52.34 | 1,175,504 |
| 2025-05-27 | Brisbin Thomas Donald | Option Ex | 22,459 | 13.91 | 312,404 |
| 2025-05-23 | Brisbin Thomas Donald | Sale | 1,626 | 51.54 | 83,804 |
| 2025-05-23 | Brisbin Thomas Donald | Option Ex | 1,626 | 13.91 | 22,617 |
| 2025-05-22 | Brisbin Thomas Donald | Sale | 5,915 | 52.04 | 307,816 |
| 2025-05-22 | Brisbin Thomas Donald | Option Ex | 5,915 | 13.91 | 82,277 |
| 2025-05-19 | Chen Micah (EXECUTIVE VP & GENERAL COUNSEL) | Sale | 10,000 | 50.50 | 505,000 |
| 2025-05-19 | Chen Micah (EXECUTIVE VP & GENERAL COUNSEL) | Option Ex | 10,000 | 32.79 | 327,900 |
| 2025-05-16 | Chen Micah (EXECUTIVE VP & GENERAL COUNSEL) | Sale | 10,000 | 48.20 | 482,000 |
| 2025-05-16 | Chen Micah (EXECUTIVE VP & GENERAL COUNSEL) | Option Ex | 10,000 | 32.79 | 327,900 |
| 2025-05-16 | Brisbin Thomas Donald | Sale | 20,000 | 48.54 | 970,800 |
| 2025-05-16 | Brisbin Thomas Donald | Option Ex | 20,000 | 13.91 | 278,200 |
| 2025-05-16 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 25,000 | 48.11 | 1,202,750 |
| 2025-05-16 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 25,000 | 13.91 | 347,750 |
| 2025-03-12 | Shahidehpour Mohammad | Sale | 2,273 | 39.20 | 89,101 |
| 2024-12-09 | Early Creighton K (EXECUTIVE VP AND CFO) | Sale | 8,698 | 43.13 | 375,144 |
| 2024-12-09 | Early Creighton K (EXECUTIVE VP AND CFO) | Option Ex | 8,698 | 9.08 | 78,976 |
| 2024-12-06 | Early Creighton K (EXECUTIVE VP AND CFO) | Sale | 468 | 43.50 | 20,358 |
| 2024-12-06 | Early Creighton K (EXECUTIVE VP AND CFO) | Option Ex | 468 | 9.08 | 4,248 |
| 2024-11-25 | Brisbin Thomas Donald | Sale | 7,700 | 43.45 | 334,565 |
| 2024-11-22 | Brisbin Thomas Donald | Sale | 7,700 | 42.34 | 326,018 |
| 2024-11-21 | Brisbin Thomas Donald | Sale | 7,700 | 41.69 | 321,013 |
| 2024-11-11 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 10,868 | 45.67 | 496,341 |
| 2024-11-11 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 10,868 | 13.49 | 146,609 |
| 2024-11-06 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 1,804 | 45.86 | 82,731 |
| 2024-11-06 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 1,804 | 13.49 | 24,335 |
| 2024-08-12 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 750 | 36.46 | 27,345 |
| 2024-08-12 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 750 | 13.49 | 10,117 |
| 2024-08-09 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 9,209 | 36.36 | 334,839 |
| 2024-08-09 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 9,209 | 13.49 | 124,229 |
| 2024-08-08 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 10,273 | 36.43 | 374,245 |
| 2024-08-08 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 10,273 | 13.49 | 138,582 |
| 2024-08-07 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 10,346 | 36.61 | 378,767 |
| 2024-08-07 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 10,346 | 13.49 | 139,567 |
| 2024-08-07 | Early Creighton K (EXECUTIVE VP AND CFO) | Sale | 10,000 | 36.80 | 367,950 |
| 2024-08-07 | Early Creighton K (EXECUTIVE VP AND CFO) | Option Ex | 10,000 | 9.08 | 90,800 |
| 2024-08-06 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 12,000 | 36.58 | 438,960 |
| 2024-08-06 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 12,000 | 13.49 | 161,880 |
| 2024-07-09 | Macarthur Robert Symmes | Sale | 188,230 | 29.93 | 5,634,665 |
| 2024-06-20 | Macarthur Robert Symmes | Sale | 460 | 29.28 | 13,468 |
| 2024-06-18 | Macarthur Robert Symmes | Sale | 5,000 | 29.90 | 149,495 |
| 2024-06-17 | Macarthur Robert Symmes | Sale | 6,642 | 29.40 | 195,248 |
| 2024-06-14 | Macarthur Robert Symmes | Sale | 699 | 30.02 | 20,983 |
| 2024-06-13 | Macarthur Robert Symmes | Sale | 1,100 | 30.57 | 33,621 |
| 2024-06-13 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 4,460 | 30.32 | 135,227 |
| 2024-06-13 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 6,000 | 13.49 | 80,940 |
| 2024-06-12 | Macarthur Robert Symmes | Sale | 7,941 | 31.31 | 248,640 |
| 2024-06-12 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 4,394 | 30.98 | 136,126 |
| 2024-06-12 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 6,000 | 13.49 | 80,940 |
| 2024-06-11 | Macarthur Robert Symmes | Sale | 10,000 | 30.23 | 302,320 |
| 2024-06-11 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 4,464 | 30.25 | 135,036 |
| 2024-06-11 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 6,000 | 13.49 | 80,940 |
| 2024-06-10 | Macarthur Robert Symmes | Sale | 11,000 | 31.02 | 341,165 |
| 2024-06-10 | Shahidehpour Mohammad | Sale | 3,000 | 30.83 | 92,490 |
| 2024-06-10 | Bieber Michael A (PRESIDENT AND CEO) | Sale | 3,333 | 31.03 | 103,422 |
| 2024-06-10 | Bieber Michael A (PRESIDENT AND CEO) | Option Ex | 4,514 | 13.49 | 60,893 |
| 2024-06-07 | Macarthur Robert Symmes | Sale | 10,753 | 31.47 | 338,386 |
| 2024-06-06 | Macarthur Robert Symmes | Sale | 12,840 | 32.03 | 411,265 |
| 2024-05-29 | Brisbin Thomas Donald | Sale | 1,576 | 31.37 | 49,439 |
| 2024-05-29 | Brisbin Thomas Donald | Option Ex | 1,576 | 7.13 | 11,236 |
| 2024-05-28 | Brisbin Thomas Donald | Sale | 18,245 | 32.06 | 584,934 |
| 2024-05-28 | Brisbin Thomas Donald | Option Ex | 18,245 | 7.13 | 130,086 |
| 2024-05-24 | Brisbin Thomas Donald | Sale | 397 | 31.90 | 12,664 |
| 2024-05-24 | Brisbin Thomas Donald | Option Ex | 397 | 7.13 | 2,830 |
| 2024-05-22 | Brisbin Thomas Donald | Sale | 5,267 | 32.16 | 169,386 |
| 2024-05-22 | Brisbin Thomas Donald | Option Ex | 5,267 | 7.13 | 37,553 |
| 2024-05-21 | Brisbin Thomas Donald | Sale | 2,742 | 32.12 | 88,073 |
| 2024-05-21 | Brisbin Thomas Donald | Option Ex | 2,742 | 7.13 | 19,550 |
| 2024-05-20 | Brisbin Thomas Donald | Sale | 14,426 | 32.06 | 462,497 |
| 2024-05-20 | Brisbin Thomas Donald | Option Ex | 14,426 | 7.13 | 102,857 |
| 2024-05-16 | Forager Fund, L.p. | Sale | 1,060 | 32.01 | 33,930 |
| 2024-05-15 | Forager Fund, L.p. | Sale | 5,505 | 32.60 | 179,485 |
| 2024-05-14 | Forager Fund, L.p. | Sale | 5,900 | 32.07 | 189,189 |
| 2024-05-13 | Macarthur Robert Symmes | Sale | 1,799 | 32.32 | 58,140 |
| 2024-05-10 | Macarthur Robert Symmes | Sale | 15,580 | 33.84 | 527,164 |
| 2024-05-09 | Macarthur Robert Symmes | Sale | 72,967 | 33.89 | 2,472,851 |
| 2024-05-08 | Macarthur Robert Symmes | Sale | 5,707 | 33.01 | 188,399 |
| 2024-05-07 | Macarthur Robert Symmes | Sale | 11,480 | 33.22 | 381,308 |
| 2024-05-06 | Macarthur Robert Symmes | Sale | 10,830 | 32.84 | 355,700 |
| 2024-05-03 | Macarthur Robert Symmes | Sale | 86,483 | 31.79 | 2,749,467 |
| 2024-05-02 | Macarthur Robert Symmes | Sale | 20,675 | 28.52 | 589,651 |
| 2024-05-01 | Macarthur Robert Symmes | Sale | 50,208 | 28.86 | 1,448,751 |
| 2024-03-27 | Macarthur Robert Symmes | Sale | 22,447 | 29.25 | 656,619 |
| 2024-03-26 | Macarthur Robert Symmes | Sale | 10,456 | 29.83 | 311,902 |
| 2023-08-24 | Chen Micah (GENERAL COUNSEL) | Sale | 258 | 24.52 | 6,326 |
| 2023-08-24 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,063 | 24.52 | 50,584 |
| 2023-08-24 | Bieber Michael A (PRESIDENT) | Sale | 1,026 | 24.52 | 25,157 |
| 2023-08-24 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 272 | 24.52 | 6,669 |
| 2023-08-23 | Chen Micah (GENERAL COUNSEL) | Sale | 295 | 23.55 | 6,947 |
| 2023-08-23 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,350 | 23.55 | 55,342 |
| 2023-08-23 | Bieber Michael A (PRESIDENT) | Sale | 1,170 | 23.55 | 27,553 |
| 2023-08-23 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 312 | 23.55 | 7,347 |
| 2023-08-22 | Chen Micah (GENERAL COUNSEL) | Sale | 305 | 22.82 | 6,960 |
| 2023-08-22 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,442 | 22.82 | 55,726 |
| 2023-08-22 | Bieber Michael A (PRESIDENT) | Sale | 1,216 | 22.82 | 27,749 |
| 2023-08-22 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 324 | 22.82 | 7,393 |
| 2023-08-03 | Macarthur Robert Symmes | Buy | 385,537 | 20.11 | 7,751,221 |
| 2023-08-03 | Macarthur Robert Symmes | Sale | 385,537 | 20.11 | 7,751,221 |
| 2023-03-13 | Chen Micah (GENERAL COUNSEL) | Sale | 765 | 16.46 | 12,591 |
| 2023-03-13 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,606 | 16.46 | 42,894 |
| 2023-03-13 | Bieber Michael A (PRESIDENT) | Sale | 2,852 | 16.46 | 46,943 |
| 2023-03-13 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 805 | 16.46 | 13,250 |
| 2023-03-10 | Chen Micah (GENERAL COUNSEL) | Sale | 730 | 15.98 | 11,667 |
| 2023-03-10 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,489 | 15.98 | 39,781 |
| 2023-03-10 | Bieber Michael A (PRESIDENT) | Sale | 2,722 | 15.98 | 43,505 |
| 2023-03-10 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 770 | 15.98 | 12,306 |
| 2023-03-09 | Chen Micah (GENERAL COUNSEL) | Sale | 786 | 17.03 | 13,385 |
| 2023-03-09 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 2,681 | 17.03 | 45,657 |
| 2023-03-09 | Bieber Michael A (PRESIDENT) | Sale | 2,932 | 17.03 | 49,931 |
| 2023-03-09 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 828 | 17.03 | 14,100 |
| 2023-01-26 | Macarthur Robert Symmes | Buy | 11,392 | 18.23 | 207,676 |
| 2023-01-25 | Macarthur Robert Symmes | Buy | 26,777 | 17.96 | 480,861 |
| 2023-01-24 | Macarthur Robert Symmes | Buy | 25,126 | 17.80 | 447,368 |
| 2022-12-13 | Macarthur Robert Symmes | Buy | 83,100 | 16.02 | 1,331,345 |
| 2022-12-12 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 294 | 16.25 | 4,777 |
| 2022-09-09 | Shahidehpour Mohammad | Sale | 2,418 | 20.48 | 49,520 |
| 2022-08-10 | Bieber Michael A (PRESIDENT) | Sale | 27,277 | 27.63 | 753,663 |
| 2022-08-10 | Bieber Michael A (PRESIDENT) | Option Ex | 24,666 | 9.13 | 225,200 |
| 2022-08-09 | Bieber Michael A (PRESIDENT) | Sale | 456 | 28.00 | 12,768 |
| 2022-08-09 | Bieber Michael A (PRESIDENT) | Option Ex | 334 | 9.13 | 3,049 |
| 2022-06-06 | Mcginn Dennis V | Sale | 3,000 | 26.81 | 80,430 |
| 2022-03-15 | Whitelaw Paul Milton (SVP, BUSINESS DEVELOPMENT) | Sale | 7,458 | 27.32 | 203,715 |
| 2022-03-15 | Chen Micah (GENERAL COUNSEL) | Sale | 4,186 | 27.32 | 114,340 |
| 2022-03-15 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 31,904 | 27.32 | 871,457 |
| 2022-03-15 | Bieber Michael A (PRESIDENT) | Sale | 25,402 | 27.32 | 693,855 |
| 2022-03-15 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 8,224 | 27.32 | 224,638 |
| 2022-03-10 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 3,427 | 31.07 | 106,476 |
| 2021-12-17 | Chen Micah (GENERAL COUNSEL) | Sale | 5,037 | 41.01 | 206,567 |
| 2021-12-15 | Whitelaw Paul Milton (SVP, BUSINESS DEVELOPMENT) | Sale | 11,000 | 40.97 | 450,615 |
| 2021-12-15 | Whitelaw Paul Milton (SVP, BUSINESS DEVELOPMENT) | Option Ex | 11,000 | 16.09 | 176,990 |
| 2021-12-14 | Early Creighton K (VICE PRESIDENT AND CFO) | Sale | 1,369 | 41.50 | 56,813 |
| 2021-12-09 | Brisbin Thomas Donald (CHIEF EXECUTIVE OFFICER) | Sale | 15,936 | 41.84 | 666,762 |
| 2021-09-08 | Bieber Michael A (PRESIDENT) | Sale | 22,236 | 37.88 | 842,299 |
| 2021-09-08 | Bieber Michael A (PRESIDENT) | Option Ex | 22,236 | 13.49 | 299,963 |
| 2021-09-07 | Procell Adam C (CHIEF STRATEGY OFFICER) | Sale | 1,844 | 38.00 | 70,072 |
| 2021-06-17 | Chen Micah (General Counsel) | Sale | 2,000 | 37.92 | 75,840 |
Insider trading activities including stock purchases, stock sales, and option exercises of WLDN listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Willdan Group, Inc. (symbol WLDN, CIK number 1370450) see the Securities and Exchange Commission (SEC) website.