Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001558370-23-003367
Filing Date
2023-03-10
Accepted
2023-03-09 19:11:09
Documents
126
Period of Report
2022-12-30

Document Format Files

Seq Description Document Type Size
1 10-K wldn-20221230x10k.htm   iXBRL 10-K 3379571
2 EX-4.2 wldn-20221230xex4d2.htm EX-4.2 28223
3 EX-10.15 wldn-20221230xex10d15.htm EX-10.15 111979
4 EX-10.16 wldn-20221230xex10d16.htm EX-10.16 37576
5 EX-21.1 wldn-20221230xex21d1.htm EX-21.1 27336
6 EX-23.1 wldn-20221230xex23d1.htm EX-23.1 2322
7 EX-31.1 wldn-20221230xex31d1.htm EX-31.1 11147
8 EX-31.2 wldn-20221230xex31d2.htm EX-31.2 13041
9 EX-32.1 wldn-20221230xex32d1.htm EX-32.1 13092
10 GRAPHIC wldn-20221230x10k001.jpg GRAPHIC 73683
  Complete submission text file 0001558370-23-003367.txt   15786659

Data Files

Seq Description Document Type Size
11 EX-101.SCH wldn-20221230.xsd EX-101.SCH 82059
12 EX-101.CAL wldn-20221230_cal.xml EX-101.CAL 113518
13 EX-101.DEF wldn-20221230_def.xml EX-101.DEF 275355
14 EX-101.LAB wldn-20221230_lab.xml EX-101.LAB 785000
15 EX-101.PRE wldn-20221230_pre.xml EX-101.PRE 631359
120 EXTRACTED XBRL INSTANCE DOCUMENT wldn-20221230x10k_htm.xml XML 3502926
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: 1230
Type: 10-K | Act: 34 | File No.: 001-33076 | Film No.: 23721232
SIC: 8711 Services-Engineering Services