Willdan Group, Inc. SEC filings WLDN
Willdan Group, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to Aug 13, 2009. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jul 3, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on January 1.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Nov 5, 2026 | Oct 30, 2026 |
| 8-K |
Current report
Material agreement
|
Sep 23, 2026 | Sep 22, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 18, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2026 | Feb 26, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 13, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 6, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Nov 18, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2024 | Oct 31, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 14, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Results of operations
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Mar 7, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 7, 2024 | Mar 7, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 29, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 12, 2023 | Dec 8, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2023 | Nov 2, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Change to shareholder rights, Regulation FD disclosure
|
Oct 5, 2023 | Sep 29, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 3, 2023 | Aug 3, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jul 12, 2023 | Jul 7, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 9, 2023 | Jun 8, 2023 |
| 8-K |
Current report
Results of operations
|
May 4, 2023 | May 4, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 9, 2023 | Mar 9, 2023 |
| 8-K |
Current report
Officer or director change
|
Jan 24, 2023 | Jan 19, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2022 | Aug 4, 2022 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 10, 2022 | Jun 9, 2022 |
| 8-K |
Current report
Results of operations
|
May 5, 2022 | May 5, 2022 |
| 8-K |
Current report
Officer or director change
|
Apr 25, 2022 | Apr 19, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2022 | Mar 10, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 6, 2021 | Dec 3, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2021 | Nov 4, 2021 |
| 8-K |
Current report
Officer or director change
|
Oct 25, 2021 | Oct 19, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Aug 5, 2021 | Aug 3, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2021 | Aug 5, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2021 | Jun 10, 2021 |
| 8-K |
Current report
Results of operations
|
May 6, 2021 | May 6, 2021 |
| 8-K |
Current report
Material agreement, New debt
|
May 3, 2021 | Apr 30, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 16, 2021 | Apr 13, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2021 | Mar 11, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2020 | Nov 5, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2020 | Aug 6, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2020 | Jun 11, 2020 |
| 8-K |
Current report
Results of operations
|
May 7, 2020 | May 7, 2020 |
| 8-K |
Current report
Results of operations, Bylaw or fiscal year change, Regulation FD disclosure
|
Apr 16, 2020 | Apr 13, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2020 | Mar 5, 2020 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2019 | Oct 30, 2019 |
| 8-K |
Current report
Officer or director change
|
Sep 10, 2019 | Sep 5, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2019 | Aug 1, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 2, 2019 | Jun 26, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 17, 2019 | Jun 13, 2019 |
| 8-K |
Current report
Results of operations
|
May 2, 2019 | May 2, 2019 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Apr 15, 2019 | Apr 9, 2019 |
| 8-K |
Current report
Results of operations
|
Mar 7, 2019 | Mar 7, 2019 |
| 8-K/A | Amended current report | Jan 23, 2019 | Nov 9, 2018 |
| 8-K |
Current report
Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Nov 9, 2018 | Nov 9, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2018 | Nov 1, 2018 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 9, 2018 | Oct 4, 2018 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Change to shareholder rights, Regulation FD disclosure, Other events
|
Oct 3, 2018 | Oct 1, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2018 | Aug 2, 2018 |
| 8-K |
Current report
Auditor change
|
Jul 17, 2018 | Jul 11, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 15, 2018 | Jun 14, 2018 |
| 8-K |
Current report
Results of operations
|
May 3, 2018 | May 3, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 8, 2018 | Mar 8, 2018 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Mar 8, 2018 | Mar 6, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2017 | Nov 2, 2017 |
| 8-K/A | Amended current report | Oct 13, 2017 | Jul 28, 2017 |
| 8-K |
Current report
Acquisition or sale of assets, Results of operations, Unregistered share sale, Regulation FD disclosure
|
Aug 3, 2017 | Jul 28, 2017 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Jun 9, 2017 | Jun 8, 2017 |
| 8-K |
Current report
Results of operations
|
May 4, 2017 | May 4, 2017 |
| 8-K |
Current report
Other events
|
Apr 18, 2017 | Apr 18, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 9, 2017 | Mar 8, 2017 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Mar 9, 2017 | Mar 7, 2017 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 24, 2017 | Jan 20, 2017 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Nov 3, 2016 | Nov 3, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2016 | Aug 4, 2016 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 14, 2016 | Jun 10, 2016 |
| 8-K |
Current report
Material agreement
|
Jun 13, 2016 | Jun 9, 2016 |
| 8-K |
Current report
Results of operations
|
May 5, 2016 | May 5, 2016 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2016 | Mar 10, 2016 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Mar 9, 2016 | Mar 4, 2016 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
|
Mar 3, 2016 | Feb 26, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2015 | Nov 12, 2015 |
| 8-K/A | Amended current report | Sep 25, 2015 | Jan 21, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2015 | Aug 13, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2015 | Jun 5, 2015 |
| 8-K |
Current report
Results of operations
|
May 14, 2015 | May 14, 2015 |
| 8-K/A | Amended current report | Apr 21, 2015 | Apr 14, 2015 |
| 8-K |
Current report
Auditor change, Officer or director change, Regulation FD disclosure
|
Apr 17, 2015 | Apr 14, 2015 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2015 | Mar 31, 2015 |
| 8-K/A | Amended current report | Mar 27, 2015 | Jan 21, 2015 |
| 8-K |
Current report
Acquisition or sale of assets, New debt, Unregistered share sale, Regulation FD disclosure
|
Jan 21, 2015 | Jan 21, 2015 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 7, 2015 | Jan 7, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2014 | Nov 6, 2014 |
| 8-K |
Current report
Material agreement
|
Aug 13, 2014 | Aug 7, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2014 | Aug 7, 2014 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 20, 2014 | Jun 20, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2014 | Jun 6, 2014 |
| 8-K |
Current report
Results of operations
|
May 8, 2014 | May 8, 2014 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Apr 23, 2014 | May 31, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 25, 2014 | Mar 25, 2014 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 15, 2013 | Nov 15, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2013 | Nov 7, 2013 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2013 | Aug 8, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2013 | May 31, 2013 |
| 8-K |
Current report
Results of operations
|
May 9, 2013 | May 9, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2013 | Mar 26, 2013 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2012 | Nov 8, 2012 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2012 | Aug 9, 2012 |
| 8-K |
Current report
Material agreement
|
Jul 10, 2012 | Jul 9, 2012 |
| 8-K |
Current report
Shareholder vote results, Regulation FD disclosure, Other events
|
Jun 4, 2012 | Jun 1, 2012 |
| 8-K |
Current report
Results of operations
|
May 10, 2012 | May 10, 2012 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2012 | Mar 27, 2012 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 27, 2011 | Dec 23, 2011 |
| 8-K |
Current report
Other events
|
Nov 23, 2011 | Nov 22, 2011 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2011 | Nov 10, 2011 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2011 | Aug 11, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2011 | Jun 3, 2011 |
| 8-K |
Current report
Results of operations
|
May 12, 2011 | May 12, 2011 |
| 8-K |
Current report
Officer or director change
|
May 4, 2011 | May 3, 2011 |
| 8-K |
Current report
Results of operations
|
Mar 29, 2011 | Mar 29, 2011 |
| 8-K |
Current report
Results of operations
|
Nov 15, 2010 | Nov 11, 2010 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2010 | Aug 12, 2010 |
| 8-K |
Current report
Auditor change
|
Jul 2, 2010 | Jun 29, 2010 |
| 8-K |
Current report
Other events
|
Jun 21, 2010 | Jun 18, 2010 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2010 | Jun 4, 2010 |
| 8-K |
Current report
Results of operations
|
May 13, 2010 | May 13, 2010 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2010 | Mar 30, 2010 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2009 | Nov 12, 2009 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2009 | Aug 13, 2009 |
Showing 135 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Engineering Services (SIC 8711)
- Listed as
- WLDN (Nasdaq)
- Fiscal year ends
- January 1
- Incorporated in
- DE
- Headquarters
- Anaheim, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1370450
Other Services-Engineering Services companies
- Tetra Tech Inc TTEK
- Stantec Inc STN
- Aecom ACM
- Vse Corp VSEC
- Mistras Group, Inc. MG
- Julong Holding Ltd JLHL
- HyOrc Corp HYOR
- Acorn Energy, Inc. ACFN
Source: SEC EDGAR filings. This is company-reported data, not investment advice.