# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001558370-23-008172
Filing Date
2023-05-05
Accepted
2023-05-04 18:38:32
Documents
80
Period of Report
2023-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | wldn-20230331x10q.htm iXBRL | 10-Q | 1682768
2 | EX-31.1 | wldn-20230331xex31d1.htm | EX-31.1 | 11142
3 | EX-31.2 | wldn-20230331xex31d2.htm | EX-31.2 | 13869
4 | EX-32.1 | wldn-20230331xex32d1.htm | EX-32.1 | 13042
| Complete submission text file | 0001558370-23-008172.txt |  | 7577265

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | EX-101.SCH | wldn-20230331.xsd | EX-101.SCH | 47989
6 | EX-101.CAL | wldn-20230331_cal.xml | EX-101.CAL | 74941
7 | EX-101.DEF | wldn-20230331_def.xml | EX-101.DEF | 153761
8 | EX-101.LAB | wldn-20230331_lab.xml | EX-101.LAB | 448978
9 | EX-101.PRE | wldn-20230331_pre.xml | EX-101.PRE | 341154
74 | EXTRACTED XBRL INSTANCE DOCUMENT | wldn-20230331x10q_htm.xml | XML | 1463033

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: 1229
Type: 10-Q | Act: 34 | File No.: 001-33076 | Film No.: 23890592
SIC: 8711 Services-Engineering Services