# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001558370-25-010820
Filing Date
2025-08-08
Accepted
2025-08-07 18:43:28
Documents
98
Period of Report
2025-07-04

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wldn-20250704x10q.htm iXBRL | 10-Q | 2906347
2 | EX-31.1 | wldn-20250704xex31d1.htm | EX-31.1 | 11007
3 | EX-31.2 | wldn-20250704xex31d2.htm | EX-31.2 | 13776
4 | EX-32.1 | wldn-20250704xex32d1.htm | EX-32.1 | 12956
| Complete submission text file | 0001558370-25-010820.txt |  | 12595826

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | EX-101.SCH | wldn-20250704.xsd | EX-101.SCH | 65002
6 | EX-101.CAL | wldn-20250704_cal.xml | EX-101.CAL | 86323
7 | EX-101.DEF | wldn-20250704_def.xml | EX-101.DEF | 248292
8 | EX-101.LAB | wldn-20250704_lab.xml | EX-101.LAB | 592055
9 | EX-101.PRE | wldn-20250704_pre.xml | EX-101.PRE | 478623
101 | EXTRACTED XBRL INSTANCE DOCUMENT | wldn-20250704x10q_htm.xml | XML | 2806543

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: 0102
Type: 10-Q | Act: 34 | File No.: 001-33076 | Film No.: 251195740
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)