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Willdan Group, Inc. — 10-K Filings

20 10-K filings on record

This page lists all 10-K 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 20 10-K 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
10-K 10-K 0001104659-26-020767 Feb 27, 2026 Jan 2, 2026
10-K 10-K 0001558370-25-002429 Mar 7, 2025 Dec 27, 2024
10-K 10-K 0001558370-24-002758 Mar 8, 2024 Dec 29, 2023
10-K 10-K 0001558370-23-003367 Mar 10, 2023 Dec 30, 2022
10-K 10-K 0001558370-22-003337 Mar 11, 2022 Dec 31, 2021
10-K 10-K 0001558370-21-003104 Mar 17, 2021 Jan 1, 2021
10-K 10-K 0001558370-20-002100 Mar 6, 2020 Dec 27, 2019
10-K 10-K 0001558370-19-001690 Mar 8, 2019 Dec 28, 2018
10-K 10-K 0001558370-18-001811 Mar 9, 2018 Dec 29, 2017
10-K 10-K 0001558370-17-001619 Mar 10, 2017 Dec 30, 2016
10-K 10-K 0001558370-16-004177 Mar 16, 2016 Jan 1, 2016
10-K 10-K 0001047469-15-003021 Mar 31, 2015 Jan 2, 2015
10-K 10-K 0001047469-14-002940 Mar 25, 2014 Dec 27, 2013
10-K 10-K 0001047469-13-003407 Mar 26, 2013 Dec 28, 2012
10-K 10-K 0001047469-12-003562 Mar 29, 2012 Dec 30, 2010
10-K 10-K 0001047469-11-002825 Mar 29, 2011 Dec 31, 2010
10-K 10-K 0001047469-10-002972 Mar 30, 2010 Jan 1, 2010
10-K 10-K 0001047469-09-003692 Apr 2, 2009 Jan 2, 2009
10-K FORM 10-K 0001047469-08-003535 Mar 27, 2008 Dec 28, 2007
10-K 10-K 0001104659-07-022716 Mar 27, 2007 Dec 29, 2006