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.
Q2 FY2026 — expected 2026-08-13
| 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 | — |
| 2024-03-08 | 2023-12-29 | 0001558370-24-002758 | EDGAR | — |
| 2023-03-10 | 2022-12-30 | 0001558370-23-003367 | EDGAR | — |
| 2022-03-11 | 2021-12-31 | 0001558370-22-003337 | EDGAR | — |
| 2021-03-17 | 2021-01-01 | 0001558370-21-003104 | EDGAR | — |
| 2020-03-06 | 2019-12-27 | 0001558370-20-002100 | EDGAR | — |
| 2019-03-08 | 2018-12-28 | 0001558370-19-001690 | EDGAR | — |
| 2018-03-09 | 2017-12-29 | 0001558370-18-001811 | EDGAR | — |
| 2017-03-10 | 2016-12-30 | 0001558370-17-001619 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2025-11-07 | 2025-10-03 | 0001104659-25-107945 | EDGAR | 34K words |
| 2025-08-08 | 2025-07-04 | 0001558370-25-010820 | EDGAR | — |
| 2025-05-09 | 2025-04-04 | 0001558370-25-007025 | EDGAR | — |
| 2024-11-01 | 2024-09-27 | 0001558370-24-014072 | EDGAR | — |
| 2024-08-02 | 2024-06-28 | 0001558370-24-010633 | EDGAR | — |
| 2024-05-03 | 2024-03-29 | 0001558370-24-006577 | EDGAR | — |
| 2023-11-03 | 2023-09-29 | 0001558370-23-017486 | EDGAR | — |
| 2023-08-04 | 2023-06-30 | 0001558370-23-013281 | EDGAR | — |
| 2023-05-05 | 2023-03-31 | 0001558370-23-008172 | EDGAR | — |
| 2022-11-04 | 2022-09-30 | 0001558370-22-016314 | EDGAR | — |
| 2022-08-05 | 2022-07-01 | 0001558370-22-012312 | EDGAR | — |
| 2022-05-06 | 2022-04-01 | 0001558370-22-007478 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-02-26 | 0001104659-26-020502 | EDGAR | 6K words |
| 2025-11-06 | 0001104659-25-107776 | EDGAR | — |
| 2025-08-07 | 0001558370-25-010784 | EDGAR | — |
| 2025-06-13 | 0001558370-25-008623 | EDGAR | — |
| 2025-05-08 | 0001558370-25-006982 | EDGAR | — |
| 2025-03-06 | 0001558370-25-002394 | EDGAR | — |
| 2024-11-18 | 0001558370-24-015826 | EDGAR | — |
| 2024-10-31 | 0001558370-24-014057 | EDGAR | — |
| 2024-08-01 | 0001558370-24-010603 | EDGAR | — |
| 2024-06-14 | 0001558370-24-009208 | EDGAR | — |
226 total filings indexed. 194 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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