# Filing Detail

Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001104659-26-048632
Filing Date
2026-04-24
Accepted
2026-04-24 16:30:59
Documents
1
Period of Report
2025-12-31
Effectiveness Date
2026-04-24

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | ARS | wldn-20251231xars.pdf | ARS | 3262436
| Complete submission text file | 0001104659-26-048632.txt |  | 4409836

Mailing Address 2401 EAST KATELLA AVENUE, SUITE 300 ANAHEIM CA 92806
Business Address 2401 EAST KATELLA AVENUE, SUITE 300 ANAHEIM CA 92806 800-424-9144
Willdan Group, Inc. (Filer) CIK: 0001370450 (see all company filings)

EIN.: 141951112 | State of Incorp.: DE | Fiscal Year End: 0101
Type: ARS | Act: 34 | File No.: 001-33076 | Film No.: 26894789
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)