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Willdan Group, Inc. — SCHEDULE 13G/A Filings

5 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by Willdan Group, Inc. (WLDN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Willdan Group, Inc. has filed 5 SCHEDULE 13G/A documents with the SEC since 2009. To view all SEC filings by Willdan Group, Inc., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 144 3 3/A 4 4/A 424B4 424B5 5 8-A12B 8-K 8-K/A ARS CERTNAS CORRESP CT ORDER DEF 14A DEFA14A EFFECT FWP S-1 S-1/A S-3 S-3/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SEC STAFF LETTER UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-002615 Mar 27, 2026
SCHEDULE 13G/A 0000102909-25-000343 Oct 31, 2025
SCHEDULE 13G/A 0001576419-25-000678 Apr 17, 2025
SCHEDULE 13G/A 0002012383-25-001255 Feb 5, 2025
SCHEDULE 13G/A 0001102598-25-000014 Jan 8, 2025