Willdan WLDN SEC Filings

NASDAQ WLDN
$72.80 +0.08 (+0.11%)
At close: Oct 21, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Willdan Group, Inc. (WLDN) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001104659-26-110002Sep 23, 2026 4:32 PM
24Insider Transaction0001395188-26-000012Sep 17, 2026 9:44 PM
34Insider Transaction0001395188-26-000010Sep 16, 2026 9:32 PM
4144Insider Transaction0001950047-26-009536Sep 15, 2026 9:05 PM
54Insider Transaction0001395188-26-000008Sep 9, 2026 10:01 PM
6144Insider Transaction0001950047-26-009225Sep 8, 2026 9:16 PM
74Insider Transaction0001395188-26-000006Sep 4, 2026 9:41 PM
8144Insider Transaction0001950047-26-009057Sep 3, 2026 8:18 PM
910-QQuarterly & Annual Report0001104659-26-092196Aug 7, 2026 10:43 PM
108-KCurrent Report0001104659-26-092028Aug 6, 2026 8:16 PM
11SCHEDULE 13GBeneficial Ownership Report0002012383-26-003130Jul 30, 2026 11:18 AM
12S-8Prospectus0001104659-26-078320Jun 26, 2026 9:05 PM
134Insider Transaction0001640436-26-000002Jun 18, 2026 9:11 PM
144Insider Transaction0001518288-26-000002Jun 18, 2026 9:10 PM
154Insider Transaction0001895686-26-000002Jun 18, 2026 9:08 PM
164Insider Transaction0001701806-26-000003Jun 18, 2026 9:06 PM
174Insider Transaction0001640413-26-000004Jun 18, 2026 9:04 PM
184Insider Transaction0001395188-26-000004Jun 18, 2026 9:03 PM
198-KCurrent Report0001104659-26-075795Jun 18, 2026 8:39 PM
20SCHEDULE 13GBeneficial Ownership Report0000919574-26-003601May 19, 2026 12:03 AM
214Insider Transaction0001270606-26-000017May 15, 2026 10:08 PM
224Insider Transaction0001270606-26-000015May 14, 2026 9:56 PM
23144Insider Transaction0001950047-26-004548May 14, 2026 9:01 PM
24144Insider Transaction0001950047-26-004489May 13, 2026 9:33 PM
2510-QQuarterly & Annual Report0001104659-26-057350May 8, 2026 10:39 PM
2610-QQuarterly & Annual Report0001104659-26-057350May 8, 2026 10:39 PM
2710-QQuarterly & Annual Report0001104659-26-057350May 8, 2026 10:39 PM
288-KCurrent Report0001104659-26-057151May 7, 2026 8:15 PM
298-KCurrent Report0001104659-26-057151May 7, 2026 8:15 PM
308-KCurrent Report0001104659-26-057151May 7, 2026 8:15 PM
31ARSOthers0001104659-26-048632Apr 24, 2026 8:30 PM
32DEFA14AOthers0001104659-26-048623Apr 24, 2026 8:26 PM
33DEF 14AOthers0001104659-26-048621Apr 24, 2026 8:25 PM
34SCHEDULE 13GBeneficial Ownership Report0000102909-26-002615Mar 27, 2026 6:13 PM
354Insider Transaction0001733678-26-000013Mar 26, 2026 10:17 PM
364Insider Transaction0001733678-26-000013Mar 26, 2026 10:17 PM
374Insider Transaction0001733678-26-000013Mar 26, 2026 10:17 PM
384Insider Transaction0001270606-26-000013Mar 26, 2026 10:16 PM
394Insider Transaction0001270606-26-000013Mar 26, 2026 10:16 PM
404Insider Transaction0001270606-26-000013Mar 26, 2026 10:16 PM
414Insider Transaction0000904702-26-000015Mar 26, 2026 10:15 PM
424Insider Transaction0000904702-26-000015Mar 26, 2026 10:15 PM
434Insider Transaction0000904702-26-000015Mar 26, 2026 10:15 PM
444Insider Transaction0001733678-26-000012Mar 23, 2026 9:33 PM
454Insider Transaction0001270606-26-000011Mar 23, 2026 9:31 PM
464Insider Transaction0000904702-26-000013Mar 23, 2026 9:30 PM
474Insider Transaction0001270606-26-000010Mar 19, 2026 9:34 PM
484Insider Transaction0001733678-26-000010Mar 19, 2026 9:31 PM
494Insider Transaction0000904702-26-000011Mar 19, 2026 9:30 PM
504Insider Transaction0001733678-26-000008Mar 17, 2026 9:55 PM
...

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