Willdan Group, Inc. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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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 |
|---|---|---|---|---|
| 144 | — | 0001950047-25-005727 | Aug 13, 2025 | — |
| 144 | — | 0001950047-25-005660 | Aug 12, 2025 | — |
| 10-Q | 10-Q | 0001558370-25-010820 | Aug 8, 2025 | Jul 4, 2025 |
| 8-K | 8-K | 0001558370-25-010784 | Aug 7, 2025 | — |
| S-8 | S-8 | 0001558370-25-008972 | Jun 27, 2025 | — |
| 8-K | 8-K | 0001558370-25-008623 | Jun 13, 2025 | Jun 12, 2025 |
| 4 | — | 0001415889-25-017027 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017023 | 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 | — | 0001415889-25-017036 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-017020 | Jun 12, 2025 | Jun 11, 2025 |
| 4 | — | 0001415889-25-014917 | May 29, 2025 | May 28, 2025 |
| 4 | — | 0001415889-25-014906 | May 29, 2025 | May 27, 2025 |
| 4 | — | 0001415889-25-014748 | May 28, 2025 | May 23, 2025 |
| 144 | — | 0001950047-25-003548 | May 28, 2025 | — |
| 144 | — | 0001950047-25-003446 | May 27, 2025 | — |
| 4 | — | 0001415889-25-014638 | May 27, 2025 | May 22, 2025 |
| 4 | — | 0001415889-25-013972 | May 21, 2025 | May 19, 2025 |
| 4 | — | 0001415889-25-013842 | May 20, 2025 | May 16, 2025 |
| 4 | — | 0001415889-25-013838 | May 20, 2025 | May 16, 2025 |
| 144 | — | 0001972362-25-000499 | May 20, 2025 | — |
| 4 | — | 0001415889-25-013835 | May 20, 2025 | May 16, 2025 |
| 144 | — | 0001972362-25-000492 | May 19, 2025 | — |
| 144 | — | 0001972362-25-000477 | May 16, 2025 | — |
| 144 | — | 0001972362-25-000487 | May 16, 2025 | — |
| 144 | — | 0001972362-25-000475 | May 15, 2025 | — |
| 144 | — | 0001972362-25-000455 | May 13, 2025 | — |
| 10-Q | 10-Q | 0001558370-25-007025 | May 9, 2025 | Apr 4, 2025 |
| 8-K | 8-K | 0001558370-25-006982 | May 8, 2025 | — |
| DEF 14A | DEF 14A | 0001558370-25-005014 | Apr 18, 2025 | Jun 12, 2025 |
| DEFA14A | DEFA14A | 0001558370-25-005015 | Apr 18, 2025 | — |
| ARS | ARS | 0001104659-25-036347 | Apr 18, 2025 | Dec 27, 2024 |
| SCHEDULE 13G/A | — | 0001576419-25-000678 | Apr 17, 2025 | — |
| 4 | — | 0001415889-25-009059 | Mar 26, 2025 | Mar 24, 2025 |
| 4 | — | 0001415889-25-009063 | Mar 26, 2025 | Mar 24, 2025 |
| 4 | — | 0001415889-25-009057 | Mar 26, 2025 | Mar 24, 2025 |
| 4 | — | 0001415889-25-008863 | Mar 24, 2025 | Mar 20, 2025 |
| 4 | — | 0001415889-25-008860 | Mar 24, 2025 | Mar 20, 2025 |
| 4 | — | 0001415889-25-008858 | Mar 24, 2025 | Mar 20, 2025 |
| 144 | — | 0001972362-25-000331 | Mar 21, 2025 | — |
| 4 | — | 0001415889-25-008624 | Mar 19, 2025 | Mar 17, 2025 |
| 4 | — | 0001415889-25-008634 | Mar 19, 2025 | Mar 17, 2025 |
| 4 | — | 0001415889-25-008637 | Mar 19, 2025 | Mar 17, 2025 |
| 4 | — | 0001415889-25-008009 | Mar 13, 2025 | Mar 12, 2025 |
| 4 | — | 0001415889-25-007897 | Mar 12, 2025 | Mar 11, 2025 |
| 144 | — | 0001972362-25-000280 | Mar 12, 2025 | — |
| 4 | — | 0001415889-25-007899 | Mar 12, 2025 | Mar 11, 2025 |
| 4 | — | 0001415889-25-007901 | Mar 12, 2025 | Mar 11, 2025 |
| 4 | — | 0001415889-25-007903 | Mar 12, 2025 | Mar 11, 2025 |