Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001395188-26-000002
Filing Date
2026-03-12
Accepted
2026-03-12 17:34:58
Documents
1
Period of Report
2026-03-11

Document Format Files

Seq Description Document Type Size
1 form4-03122026_090355.html 4  
1 form4-03122026_090355.xml 4 3935
  Complete submission text file 0001395188-26-000002.txt   5384
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. (Issuer) CIK: 0001370450 (see all company filings)

EIN.: 141951112 | State of Incorp.: DE | Fiscal Year End: 0102
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)

Mailing Address C/O WILLDAN GROUP INC. 2401 EAST KATELLA AVENUE, SUITE 300 ANAHEIM CA 92806
Business Address
Brisbin Thomas Donald (Reporting) CIK: 0001395188 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-33076 | Film No.: 26749176