SEC Filings

Filing links are provided when reliable SEC filing data is available.

Recent Filings

Form	Filing Date	Accepted	Document
8-K	Sep 23, 2026	Sep 23, 2026	View filing
4	Sep 17, 2026	Sep 17, 2026	View filing
4	Sep 16, 2026	Sep 16, 2026	View filing
4	Sep 9, 2026	Sep 9, 2026	View filing
4	Sep 4, 2026	Sep 4, 2026	View filing
10-Q	Aug 7, 2026	Aug 6, 2026	View filing
8-K	Aug 6, 2026	Aug 6, 2026	View filing
SC 13G/A	Jul 30, 2026	Jul 30, 2026	View filing
S-8	Jun 26, 2026	Jun 26, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
4	Jun 18, 2026	Jun 18, 2026	View filing
8-K	Jun 18, 2026	Jun 18, 2026	View filing
SC 13G	May 19, 2026	May 19, 2026	View filing
4	May 15, 2026	May 15, 2026	View filing
4	May 14, 2026	May 14, 2026	View filing
10-Q	May 8, 2026	May 7, 2026	View filing
8-K	May 7, 2026	May 7, 2026	View filing
ARS	Apr 24, 2026	Apr 24, 2026	View filing
DEFA14A	Apr 24, 2026	Apr 24, 2026	View filing
DEF 14A	Apr 24, 2026	Apr 24, 2026	View filing
SC 13G/A	Mar 27, 2026	Mar 27, 2026	View filing
4	Mar 26, 2026	Mar 26, 2026	View filing
4	Mar 26, 2026	Mar 26, 2026	View filing
4	Mar 26, 2026	Mar 26, 2026	View filing
4	Mar 23, 2026	Mar 23, 2026	View filing
4	Mar 23, 2026	Mar 23, 2026	View filing

About Willdan Group, Inc.

Willdan Group, Inc., including its various subsidiaries, offers a wide array of expert, technical, and advisory services, primarily concentrating its operations within the United States. The company's business activities are structured into two main divisions: Energy, and Engineering and Consulting. The Energy segment delivers a comprehensive suite of services, which includes detailed audits and assessments, the creation of strategic programs, master planning, efforts to reduce energy demand, optimization of electrical grids, benchmarking studies, engineering design, supervision of construction, performance-based contracting, installation services, innovative financing solutions, and thorough measurement and verification. This division also provides advanced software and data analytics capabilities. Concurrently, the Engineering and Consulting segment furnishes solutions related to building and safety, urban engineering, code enforcement, thorough review and inspection of development plans, disaster recovery efforts, geotechnical and earthquake engineering, urban planning and surveying, offering contract staff support, project and construction management, structural engineering, transportation and traffic system engineering, and water resource management. Additionally, this segment provides administrative services for districts, financial advisory, federal regulatory compliance assistance, and specialized communications and technology solutions. Willdan serves a broad spectrum of clients, encompassing numerous public and governmental bodies like cities, counties, redevelopment authorities, water districts, school systems, and universities. Its clientele also extends to investor-owned and publicly managed energy utilities, state and federal government agencies, commercial and industrial enterprises, alongside various other specialized districts and organizations. The company, which was founded in 1964, has its headquarters located in Anaheim, California.

Anaheim, CA

1,814 employees

www.willdan.com

Industrials / Engineering & Construction

Sector: Industrials
Industry: Engineering & Construction
CEO: Michael A. Bieber

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