Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-26-048623
Filing Date
2026-04-24
Accepted
2026-04-24 16:26:26
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A wldn-20260424xdefa14a.htm DEFA14A 20392
2 GRAPHIC wldn-20260424xdefa14a_bg001.jpg GRAPHIC 197040
3 GRAPHIC wldn-20260424xdefa14a_bg002.jpg GRAPHIC 171997
  Complete submission text file 0001104659-26-048623.txt   530065
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: 0101
Type: DEFA14A | Act: 34 | File No.: 001-33076 | Film No.: 26894562
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)