# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001104659-25-107945
Filing Date
2025-11-07
Accepted
2025-11-06 18:48:53
Documents
98
Period of Report
2025-10-03

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wldn-20251003x10q.htm iXBRL | 10-Q | 3017531
2 | EX-31.1 | wldn-20251003xex31d1.htm | EX-31.1 | 11009
3 | EX-31.2 | wldn-20251003xex31d2.htm | EX-31.2 | 13778
4 | EX-32.1 | wldn-20251003xex32d1.htm | EX-32.1 | 12963
| Complete submission text file | 0001104659-25-107945.txt |  | 12868041

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | EX-101.SCH | wldn-20251003.xsd | EX-101.SCH | 66121
6 | EX-101.CAL | wldn-20251003_cal.xml | EX-101.CAL | 86327
7 | EX-101.DEF | wldn-20251003_def.xml | EX-101.DEF | 251563
8 | EX-101.LAB | wldn-20251003_lab.xml | EX-101.LAB | 604007
9 | EX-101.PRE | wldn-20251003_pre.xml | EX-101.PRE | 480412
101 | EXTRACTED XBRL INSTANCE DOCUMENT | wldn-20251003x10q_htm.xml | XML | 2876073

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.: 251459967
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)