Willdan Group, Inc. — 4 Filings
597 4 filings on record
This page lists all 4 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 597 4 documents with the SEC since 2009. To view all SEC filings by Willdan Group, Inc., see the full filings list.
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 |
|---|---|---|---|---|
| 4 | — | 0000904702-26-000015 | Mar 26, 2026 | Mar 25, 2026 |
| 4 | — | 0001733678-26-000013 | Mar 26, 2026 | Mar 25, 2026 |
| 4 | — | 0001270606-26-000013 | Mar 26, 2026 | Mar 25, 2026 |
| 4 | — | 0000904702-26-000013 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | — | 0001733678-26-000012 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | — | 0001270606-26-000011 | Mar 23, 2026 | Mar 20, 2026 |
| 4 | — | 0001733678-26-000010 | Mar 19, 2026 | Mar 17, 2026 |
| 4 | — | 0001270606-26-000010 | Mar 19, 2026 | Mar 17, 2026 |
| 4 | — | 0000904702-26-000011 | Mar 19, 2026 | Mar 17, 2026 |
| 4 | — | 0001733678-26-000008 | Mar 17, 2026 | Mar 16, 2026 |
| 4 | — | 0000904702-26-000009 | Mar 17, 2026 | Mar 16, 2026 |
| 4 | — | 0001270606-26-000008 | Mar 17, 2026 | Mar 16, 2026 |
| 4 | — | 0001270606-26-000006 | Mar 12, 2026 | Mar 11, 2026 |
| 4 | — | 0001395188-26-000002 | Mar 12, 2026 | Mar 11, 2026 |
| 4 | — | 0000904702-26-000007 | Mar 12, 2026 | Mar 11, 2026 |
| 4 | — | 0001733678-26-000006 | Mar 12, 2026 | Mar 11, 2026 |
| 4 | — | 0001733678-26-000004 | Mar 11, 2026 | Mar 9, 2026 |
| 4 | — | 0001270606-26-000004 | Mar 11, 2026 | Mar 9, 2026 |
| 4 | — | 0000904702-26-000005 | Mar 11, 2026 | Mar 9, 2026 |
| 4 | — | 0001640413-26-000002 | Mar 10, 2026 | Mar 6, 2026 |
| 4 | — | 0000904702-26-000002 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0001270606-26-000002 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0001733678-26-000002 | Mar 5, 2026 | Mar 3, 2026 |
| 4 | — | 0001701806-25-000005 | Sep 22, 2025 | Sep 18, 2025 |
| 4 | — | 0001733678-25-000006 | Sep 22, 2025 | Sep 18, 2025 |
| 4 | — | 0001415889-25-023045 | Aug 26, 2025 | Aug 25, 2025 |
| 4 | — | 0001415889-25-023043 | Aug 26, 2025 | Aug 22, 2025 |
| 4 | — | 0001415889-25-022939 | Aug 25, 2025 | Aug 21, 2025 |
| 4 | — | 0001415889-25-022636 | Aug 21, 2025 | Aug 20, 2025 |
| 4 | — | 0001415889-25-022509 | Aug 20, 2025 | Aug 18, 2025 |
| 4 | — | 0001415889-25-022512 | Aug 20, 2025 | Aug 18, 2025 |
| 4 | — | 0001415889-25-022507 | Aug 20, 2025 | Aug 18, 2025 |
| 4 | — | 0001415889-25-022508 | Aug 20, 2025 | Aug 18, 2025 |
| 4 | — | 0001415889-25-022198 | Aug 18, 2025 | Aug 15, 2025 |
| 4 | — | 0001415889-25-022196 | Aug 18, 2025 | Aug 14, 2025 |
| 4 | — | 0001415889-25-022106 | Aug 15, 2025 | Aug 13, 2025 |
| 4 | — | 0001415889-25-021978 | Aug 14, 2025 | Aug 12, 2025 |
| 4 | — | 0001415889-25-017036 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017029 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017032 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017020 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017023 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017027 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-014906 | May 29, 2025 | May 27, 2025 |
| 4 | — | 0001415889-25-014917 | May 29, 2025 | May 28, 2025 |
| 4 | — | 0001415889-25-014748 | May 28, 2025 | May 23, 2025 |
| 4 | — | 0001415889-25-014638 | May 27, 2025 | May 22, 2025 |
| 4 | — | 0001415889-25-013972 | May 21, 2025 | May 19, 2025 |
| 4 | — | 0001415889-25-013838 | May 20, 2025 | May 16, 2025 |
| 4 | — | 0001415889-25-013842 | May 20, 2025 | May 16, 2025 |