Michael A. Bieber's most recent trade in Willdan Group Inc was a trade of 25,000 Common Stock done at an average price of $13.9 . Disclosure was reported to the exchange on May 16, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.91 per share. | 16 May 2025 | 25,000 | 225,981 (1%) | 0% | 13.9 | 347,750 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 16 May 2025 | 25,000 | 0 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 48.11 per share. | 16 May 2025 | 25,000 | 200,981 (1%) | 0% | 48.1 | 1,202,750 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Mar 2025 | 15,750 | 209,227 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 42.53 per share. | 24 Mar 2025 | 8,246 | 200,981 (1%) | 0% | 42.5 | 350,702 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 43.06 per share. | 20 Mar 2025 | 3,054 | 193,477 (1%) | 0% | 43.1 | 131,505 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 17 Mar 2025 | 19,250 | 196,531 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Mar 2025 | 11,970 | 183,549 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 40.11 per share. | 11 Mar 2025 | 6,268 | 177,281 (1%) | 0% | 40.1 | 251,409 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 41.80 per share. | 07 Mar 2025 | 2,429 | 171,579 (1%) | 0% | 41.8 | 101,532 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 11 Nov 2024 | 10,868 | 184,522 (1%) | 0% | 13.5 | 146,609 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 45.67 per share. | 11 Nov 2024 | 10,868 | 173,654 (1%) | 0% | 45.7 | 496,342 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Nov 2024 | 10,868 | 0 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 45.86 per share. | 06 Nov 2024 | 1,804 | 173,654 (1%) | 0% | 45.9 | 82,731 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 06 Nov 2024 | 1,804 | 175,458 (1%) | 0% | 13.5 | 24,336 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Nov 2024 | 1,804 | 10,868 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 19 Aug 2024 | 8,246 | 177,972 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 37.36 per share. | 19 Aug 2024 | 4,318 | 173,654 (1%) | 0% | 37.4 | 161,320 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 12 Aug 2024 | 750 | 170,476 (1%) | 0% | 13.5 | 10,118 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Aug 2024 | 750 | 12,672 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 36.46 per share. | 12 Aug 2024 | 750 | 169,726 (1%) | 0% | 36.5 | 27,345 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 08 Aug 2024 | 10,273 | 179,999 (1%) | 0% | 13.5 | 138,583 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Aug 2024 | 10,273 | 22,631 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 36.43 per share. | 08 Aug 2024 | 10,273 | 169,726 (1%) | 0% | 36.4 | 374,245 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Aug 2024 | 9,209 | 13,422 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 36.36 per share. | 08 Aug 2024 | 9,209 | 169,726 (1%) | 0% | 36.4 | 334,839 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 08 Aug 2024 | 9,209 | 178,935 (1%) | 0% | 13.5 | 124,229 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 06 Aug 2024 | 12,000 | 181,726 (1%) | 0% | 13.5 | 161,880 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2024 | 12,000 | 43,250 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 36.58 per share. | 06 Aug 2024 | 12,000 | 169,726 (1%) | 0% | 36.6 | 438,960 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 36.61 per share. | 06 Aug 2024 | 10,346 | 169,726 (1%) | 0% | 36.6 | 378,767 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 06 Aug 2024 | 10,346 | 180,072 (1%) | 0% | 13.5 | 139,568 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2024 | 10,346 | 32,904 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 13 Jun 2024 | 6,000 | 55,250 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 13 Jun 2024 | 6,000 | 173,503 (1%) | 0% | 13.5 | 80,940 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 30.32 per share. | 13 Jun 2024 | 4,460 | 169,043 (1%) | 0% | 30.3 | 135,227 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Jun 2024 | 6,000 | 61,250 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 11 Jun 2024 | 6,000 | 67,250 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 11 Jun 2024 | 6,000 | 171,897 (1%) | 0% | 13.5 | 80,940 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 11 Jun 2024 | 6,000 | 170,361 (1%) | 0% | 13.5 | 80,940 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 30.25 per share. | 11 Jun 2024 | 4,464 | 165,897 (1%) | 0% | 30.3 | 135,036 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 30.98 per share. | 11 Jun 2024 | 4,394 | 167,503 (1%) | 0% | 31.0 | 136,126 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 10 Jun 2024 | 4,514 | 167,694 (1%) | 0% | 13.5 | 60,894 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Jun 2024 | 4,514 | 73,250 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Sale of securities on an exchange or to another person at price $ 31.03 per share. | 10 Jun 2024 | 3,333 | 164,361 (1%) | 0% | 31.0 | 103,423 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Mar 2024 | 17,500 | 156,513 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 20 Mar 2024 | 11,970 | 168,483 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.55 per share. | 20 Mar 2024 | 5,303 | 163,180 (1%) | 0% | 27.6 | 146,098 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | Director, PRESIDENT AND CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 19.85 per share. | 07 Mar 2024 | 2,201 | 139,013 (1%) | 0% | 19.9 | 43,690 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 24.34 per share. | 24 Aug 2023 | 964 | 140,738 (1%) | 0% | 24.3 | 23,464 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 24.69 per share. | 24 Aug 2023 | 62 | 140,676 (1%) | 0% | 24.7 | 1,531 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 22.82 per share. | 22 Aug 2023 | 1,216 | 142,872 (1%) | 0% | 22.8 | 27,749 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 23.29 per share. | 22 Aug 2023 | 671 | 142,201 (1%) | 0% | 23.3 | 15,628 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 23.81 per share. | 22 Aug 2023 | 499 | 141,702 (1%) | 0% | 23.8 | 11,881 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 21 Aug 2023 | 8,246 | 144,088 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 16.15 per share. | 13 Mar 2023 | 1,758 | 136,113 (1%) | 0% | 16.2 | 28,392 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 16.77 per share. | 13 Mar 2023 | 1,094 | 135,019 (1%) | 0% | 16.8 | 18,346 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 15.21 per share. | 10 Mar 2023 | 1,306 | 139,287 (1%) | 0% | 15.2 | 19,864 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 15.78 per share. | 10 Mar 2023 | 1,159 | 138,128 (1%) | 0% | 15.8 | 18,289 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 16.96 per share. | 10 Mar 2023 | 257 | 137,871 (1%) | 0% | 17.0 | 4,359 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 17.03 per share. | 09 Mar 2023 | 2,932 | 140,593 (1%) | 0% | 17.0 | 49,932 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 07 Mar 2023 | 13,300 | 143,525 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 10 Aug 2022 | 24,666 | 0 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.13 per share. | 10 Aug 2022 | 24,666 | 157,264 (1%) | 0% | 9.1 | 225,201 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 27.66 per share. | 10 Aug 2022 | 24,666 | 132,598 (1%) | 0% | 27.7 | 682,262 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 27.60 per share. | 10 Aug 2022 | 2,611 | 129,987 (1%) | 0% | 27.6 | 72,064 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 28.00 per share. | 09 Aug 2022 | 334 | 132,720 (1%) | 0% | 28 | 9,352 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.13 per share. | 09 Aug 2022 | 334 | 133,054 (1%) | 0% | 9.1 | 3,049 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Aug 2022 | 334 | 24,666 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 28.00 per share. | 09 Aug 2022 | 122 | 132,598 (1%) | 0% | 28 | 3,416 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Mar 2022 | 6,802 | 139,021 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 28 Mar 2022 | 6,249 | 132,219 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Payment of exercise price or tax liability using portion of securities received from the company at price $ 30.84 per share. | 28 Mar 2022 | 3,562 | 132,187 (1%) | 0% | 30.8 | 109,852 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Payment of exercise price or tax liability using portion of securities received from the company at price $ 30.84 per share. | 28 Mar 2022 | 3,272 | 135,749 (1%) | 0% | 30.8 | 100,908 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 28.19 per share. | 15 Mar 2022 | 23,242 | 125,970 (1%) | 0% | 28.2 | 655,192 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 26.44 per share. | 15 Mar 2022 | 2,160 | 149,212 (1%) | 0% | 26.4 | 57,110 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Mar 2022 | 43,466 | 151,372 (1%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 08 Mar 2022 | 18,051 | 107,906 (0%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Sale of securities on an exchange or to another person at price $ 37.88 per share. | 08 Sep 2021 | 22,236 | 89,630 (0%) | 0% | 37.9 | 842,300 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 08 Sep 2021 | 22,236 | 77,764 | - | - | Stock Options (Right to Buy) | |
| Willdan Group Inc | Michael A. Bieber | PRESIDENT | Exercise or conversion of derivative security received from the company (such as an option) at price $ 13.49 per share. | 08 Sep 2021 | 22,236 | 111,866 (0%) | 0% | 13.5 | 299,964 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 09 Jun 2021 | 36,605 | 108,404 (0%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | President | Payment of exercise price or tax liability using portion of securities received from the company at price $ 39.27 per share. | 09 Jun 2021 | 19,164 | 89,240 (0%) | 0% | 39.3 | 752,570 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 40.11 per share. | 22 Mar 2021 | 4,118 | 80,881 (0%) | 0% | 40.1 | 165,173 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 34.99 per share. | 22 Mar 2021 | 2,556 | 74,283 (0%) | 0% | 35.0 | 89,434 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 38.17 per share. | 22 Mar 2021 | 2,116 | 77,151 (0%) | 0% | 38.2 | 80,768 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 37.33 per share. | 22 Mar 2021 | 1,254 | 79,267 (0%) | 0% | 37.3 | 46,812 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 37.11 per share. | 22 Mar 2021 | 1,225 | 71,852 (0%) | 0% | 37.1 | 45,460 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 36.47 per share. | 22 Mar 2021 | 1,206 | 73,077 (0%) | 0% | 36.5 | 43,983 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 40.92 per share. | 22 Mar 2021 | 360 | 80,521 (0%) | 0% | 40.9 | 14,731 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 39.07 per share. | 22 Mar 2021 | 312 | 76,839 (0%) | 0% | 39.1 | 12,190 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 37.98 per share. | 22 Mar 2021 | 53 | 71,799 (0%) | 0% | 38.0 | 2,013 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 11 Mar 2021 | 22,878 | 84,999 (0%) | 0% | 0 | Common Stock | |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 46.37 per share. | 11 Mar 2021 | 4,918 | 62,734 (0%) | 0% | 46.4 | 228,048 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 47.62 per share. | 11 Mar 2021 | 1,694 | 71,624 (0%) | 0% | 47.6 | 80,668 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 46.47 per share. | 11 Mar 2021 | 1,566 | 70,058 (0%) | 0% | 46.5 | 72,772 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 46.51 per share. | 11 Mar 2021 | 1,256 | 73,318 (0%) | 0% | 46.5 | 58,417 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 47.61 per share. | 11 Mar 2021 | 906 | 69,152 (0%) | 0% | 47.6 | 43,135 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 45.54 per share. | 11 Mar 2021 | 895 | 74,574 (0%) | 0% | 45.5 | 40,758 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 48.59 per share. | 11 Mar 2021 | 862 | 68,290 (0%) | 0% | 48.6 | 41,885 | Common Stock |
| Willdan Group Inc | Michael A. Bieber | President | Sale of securities on an exchange or to another person at price $ 49.62 per share. | 11 Mar 2021 | 495 | 67,795 (0%) | 0% | 49.6 | 24,562 | Common Stock |