Willdan Group, Inc. is a provider of professional, technical, and consulting services to utilities, private industry, and public agencies. Founded in 1964, the company offers energy efficiency programs, engineering, construction management, program design, AI data center power solutions, greenhouse gas reduction services, and government infrastructure consulting. It operates through two segments: Energy (85% of revenue) and Engineering and Consulting (15%), serving clients across 22 states, D.C., Puerto Rico, and Alberta, Canada.
expected 2026-12-23
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-02-27 | 2026-01-02 | 0001104659-26-020767 | EDGAR | 68K words |
| 2025-03-07 | 2024-12-27 | 0001558370-25-002429 | EDGAR | 66K words |
| 2024-03-08 | 2023-12-29 | 0001558370-24-002758 | EDGAR | 84K words |
| 2023-03-10 | 2022-12-30 | 0001558370-23-003367 | EDGAR | 65K words |
| 2022-03-11 | 2021-12-31 | 0001558370-22-003337 | EDGAR | 68K words |
| 2021-03-17 | 2021-01-01 | 0001558370-21-003104 | EDGAR | 91K words |
| 2020-03-06 | 2019-12-27 | 0001558370-20-002100 | EDGAR | 78K words |
| 2019-03-08 | 2018-12-28 | 0001558370-19-001690 | EDGAR | 75K words |
| 2018-03-09 | 2017-12-29 | 0001558370-18-001811 | EDGAR | 70K words |
| 2017-03-10 | 2016-12-30 | 0001558370-17-001619 | EDGAR | 66K words |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-08-07 | 2026-07-03 | 0001104659-26-092196 | EDGAR | 31K words |
| 2025-11-07 | 2025-10-03 | 0001104659-25-107945 | EDGAR | 34K words |
| 2025-08-08 | 2025-07-04 | 0001558370-25-010820 | EDGAR | 34K words |
| 2025-05-09 | 2025-04-04 | 0001558370-25-007025 | EDGAR | 29K words |
| 2024-11-01 | 2024-09-27 | 0001558370-24-014072 | EDGAR | 28K words |
| 2024-08-02 | 2024-06-28 | 0001558370-24-010633 | EDGAR | 27K words |
| 2024-05-03 | 2024-03-29 | 0001558370-24-006577 | EDGAR | 23K words |
| 2023-11-03 | 2023-09-29 | 0001558370-23-017486 | EDGAR | 28K words |
| 2023-08-04 | 2023-06-30 | 0001558370-23-013281 | EDGAR | 28K words |
| 2023-05-05 | 2023-03-31 | 0001558370-23-008172 | EDGAR | 23K words |
| 2022-11-04 | 2022-09-30 | 0001558370-22-016314 | EDGAR | 32K words |
| 2022-08-05 | 2022-07-01 | 0001558370-22-012312 | EDGAR | 30K words |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-09-23 | 0001104659-26-110002 | EDGAR | 40K words |
| 2026-08-06 | 0001104659-26-092028 | EDGAR | 6K words |
| 2026-02-26 | 0001104659-26-020502 | EDGAR | 6K words |
| 2025-11-06 | 0001104659-25-107776 | EDGAR | 6K words |
| 2025-08-07 | 0001558370-25-010784 | EDGAR | 6K words |
| 2025-06-13 | 0001558370-25-008623 | EDGAR | 9K words |
| 2025-05-08 | 0001558370-25-006982 | EDGAR | 5K words |
| 2025-03-06 | 0001558370-25-002394 | EDGAR | 6K words |
| 2024-11-18 | 0001558370-24-015826 | EDGAR | 7K words |
| 2024-10-31 | 0001558370-24-014057 | EDGAR | 5K words |
229 total filings indexed. 197 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0001370450 |
| Ticker | WLDN |
| Exchange | Nasdaq |
| SIC | 8711: Services-Engineering Services |
| Incorporated | DE |
| Website | https://www.willdan.com |
| Listed | 2006-11-21 |
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