| 2024-06-13 | Sale | Willdan Group, Inc. WLDN | PRESIDENT AND CEO | 4,460 0.0323% | $30.32 | $135,227 | -6.92% | |
| 2024-06-12 | Sale | Willdan Group, Inc. WLDN | PRESIDENT AND CEO | 4,394 0.0325% | $30.98 | $136,126 | -7.18% | |
| 2024-06-11 | Sale | Willdan Group, Inc. WLDN | PRESIDENT AND CEO | 4,464 0.0323% | $30.25 | $135,036 | -2.77% | |
| 2024-06-10 | Sale | Willdan Group, Inc. WLDN | PRESIDENT AND CEO | 3,333 0.0244% | $31.03 | $103,423 | -3.93% | |
| 2023-08-24 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 1,026 0.0077% | $24.36 | $24,995 | -13.02% | |
| 2023-08-23 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 1,170 0.0085% | $23.51 | $27,509 | -12.81% | |
| 2023-08-22 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 1,216 0.0089% | $22.82 | $27,749 | -9.18% | |
| 2023-03-13 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 2,852 0.0212% | $16.39 | $46,738 | +17.3% | |
| 2023-03-10 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 2,722 0.0205% | $15.62 | $42,512 | +24.66% | |
| 2023-03-09 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 2,932 0.0221% | $17.03 | $49,932 | +14.27% | |
| 2022-08-10 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 2,611 0.0197% | $27.60 | $72,064 | -36.75% | |
| 2022-08-09 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 122 0.0009% | $28.00 | $3,416 | -35.85% | |
| 2022-03-15 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 23,242 0.1919% | $28.19 | $655,192 | -22.25% | |
| 2021-09-08 | Sale | Willdan Group, Inc. WLDN | PRESIDENT | 22,236 0.1742% | $37.88 | $842,300 | -19.89% | |
| 2021-03-24 | Sale | Willdan Group, Inc. WLDN | President | 5,040 0.0424% | $35.89 | $180,890 | +5.46% | |
| 2021-03-23 | Sale | Willdan Group, Inc. WLDN | President | 1,566 0.0129% | $37.68 | $59,002 | -1.59% | |
| 2021-03-22 | Sale | Willdan Group, Inc. WLDN | President | 4,478 0.037% | $40.18 | $179,904 | -7.34% | |
| 2021-03-16 | Sale | Willdan Group, Inc. WLDN | President | 181 0.0016% | $45.97 | $8,321 | -15.21% | |
| 2021-03-15 | Sale | Willdan Group, Inc. WLDN | President | 5,350 0.0439% | $46.43 | $248,391 | -19.82% | |
| 2021-03-12 | Sale | Willdan Group, Inc. WLDN | President | 3,972 0.0324% | $47.73 | $189,582 | -22.5% |