| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-14 | Amundi | Willdan Group, Inc. | 1,834,235 | 13.4% | EDGAR |
| SC 13G/A | 2024-01-29 | BlackRock Inc. | Willdan Group, Inc. | 889,208 | 6.5% | EDGAR |
| SC 13G/A | 2024-01-24 | Handelsbanken Fonder AB | Willdan Group, Inc. | 477,673 | 3.5% | EDGAR |
| SC 13D | 2023-06-06 | Forager Fund, L.P. | Willdan Group, Inc. | 1,524,976 | 11.3% | EDGAR |
| SC 13G/A | 2023-02-15 | Forager Fund, L.P. | Willdan Group, Inc. | 944,661 | 7.4% | EDGAR |
| SC 13G/A | 2023-02-10 | Amundi | Willdan Group, Inc. | 1,690,216 | 12.7% | EDGAR |
| SC 13G/A | 2023-02-01 | BlackRock Inc. | Willdan Group, Inc. | 760,486 | 5.7% | EDGAR |
| SC 13G/A | 2023-01-23 | Handelsbanken Fonder AB | Willdan Group, Inc. | 745,077 | 560.0% | EDGAR |
| SC 13G | 2022-08-11 | Amundi | Willdan Group, Inc. | 1,433,876 | 10.9% | EDGAR |
| SC 13G/A | 2022-02-15 | Forager Capital Management, LLC | Willdan Group, Inc. | 944,661 | 7.4% | EDGAR |
| SC 13G/A | 2022-02-14 | RICE HALL JAMES & ASSOCIATES, LLC | Willdan Group, Inc. | 543,980 | 4.2% | EDGAR |
| SC 13G/A | 2022-02-03 | BlackRock Inc. | Willdan Group, Inc. | 756,312 | 5.9% | EDGAR |
| SC 13G/A | 2022-01-10 | Invesco Ltd. | Willdan Group, Inc. | 13,084 | 0.1% | EDGAR |
| SC 13G/A | 2021-10-08 | Forager Capital Management, LLC | Willdan Group, Inc. | 249,382 | 6.6% | EDGAR |
| SC 13G | 2021-10-08 | Forager Capital Management, LLC | Willdan Group, Inc. | 852,087 | 6.7% | EDGAR |
| SC 13G/A | 2021-02-16 | RICE HALL JAMES & ASSOCIATES, LLC | Willdan Group, Inc. | 617,524 | 5.1% | EDGAR |
| SC 13G | 2021-02-16 | Forager Capital Management, LLC | Willdan Group, Inc. | 758,452 | 6.3% | EDGAR |
| SC 13G/A | 2021-02-12 | TimesSquare Capital Management, LLC | Willdan Group, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2021-02-12 | Handelsbanken Fonder AB | Willdan Group, Inc. | 962,230 | 797.0% | EDGAR |
| SC 13G/A | 2021-02-11 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Willdan Group, Inc. | 0 | 0.0% | EDGAR |