Company facts
- Industry
- Services-Engineering Services
- Headquarters
- Anaheim, California
- Most recent report
- 10-Q, filed Aug 7, 2026
- Incorporated
- Delaware
- Filings on record
- 1,011+ filings
- On EDGAR
- CIK 1370450
- Fiscal year ends
- January
- Filer status
- Large accelerated filer
Financials 8 of 70
News 8 of 133
Prospectuses and Registrations 8 of 19
- S-8 Registration statement for an employee plan Jun 26, 2026
- S-8 Registration statement for an employee plan Jun 27, 2025
- S-8 Registration statement for an employee plan Jun 28, 2024
- S-3 Shelf registration statement Mar 8, 2024
- S-8 Registration statement for an employee plan Jun 30, 2023
- S-8 Registration statement for an employee plan Jun 24, 2022
- S-3 Shelf registration statement Mar 19, 2021
- S-8 Registration statement for an employee plan Jun 28, 2019
Proxies 8 of 33
- DEFA14A Extra proxy material Apr 24, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 24, 2026
- DEFA14A Extra proxy material Apr 18, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 18, 2025
- DEFA14A Extra proxy material Apr 19, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 19, 2024
- DEFA14A Extra proxy material Apr 21, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 21, 2023
Ownership 8 of 714
- SCHEDULE 13G/A Large holder reported a passive stake, amended Jul 30, 2026
- 4 Insider reported a trade Jun 18, 2026
- 4 Insider reported a trade Jun 18, 2026
- 4 Insider reported a trade Jun 18, 2026
- 4 Insider reported a trade Jun 18, 2026
- 4 Insider reported a trade Jun 18, 2026
- 4 Insider reported a trade Jun 18, 2026
- SCHEDULE 13G Large holder reported a passive stake May 19, 2026
Other 8 of 42
- ARS Annual report sent to shareholders Apr 24, 2026
- ARS Annual report sent to shareholders Apr 18, 2025
- ARS Annual report sent to shareholders Apr 19, 2024
- EFFECT Notice that a registration became effective Mar 19, 2024
- CORRESP Reply to SEC staff Mar 15, 2024
- UPLOAD Comment letter from SEC staff Mar 14, 2024
- ARS Annual report sent to shareholders Apr 21, 2023
- EFFECT Notice that a registration became effective Mar 29, 2021
Everything here comes from Willdan Group, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.