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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell●Results filed
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End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Sep 23, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Sep 15, 2026Reported sale · Form 4Thomas Donald Brisbin · $316.4KOpen the filing ↗
- Sep 15, 2026Reported sale · Form 4Thomas Donald Brisbin · $72.8KOpen the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record1,1267 flagged findings
Reported transactions (Form 4)80since May 16, 2024
Corporate events (8-K)30since Oct 3, 2018
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
What the company does
Willdan Group, Inc. (Willdan) is an American publicly traded company selling professional technical and consulting services to public and private utilities, public agencies at all levels of government, and commercial and industrial firms. The company operates offices in more than a dozen states, with its key operations in California and New York.
Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.
The 25 most recent filings (of 1,126)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Sep 23, 268-K ↗Current report · Entered a material agreement
- Sep 15, 26Form 144 ↗Notice of proposed sale
- Sep 9, 26Form 4 ↗Insider transaction
- Sep 8, 26Form 144 ↗Notice of proposed sale
- Sep 4, 26Form 4 ↗Insider transaction
- Sep 3, 26Form 144 ↗Notice of proposed sale
- Aug 7, 2610-Q ↗Quarterly report
- Aug 6, 268-K ↗Current report · Results
- Jul 30, 26SCHEDULE 13G/A ↗Passive stake · BlackRock, Inc. · 8.0% · event on Jun 30, 26 · amendment
- Jun 18, 268-K ↗Current report · A senior executive left or was appointed
- May 19, 26SCHEDULE 13G ↗Passive stake · Divisadero Street Capital Management, LP · 8.9% · event on May 12, 26
- May 15, 26Form 4 ↗Insider transaction
- May 14, 26Form 144 ↗Notice of proposed sale
- May 14, 26Form 4 ↗Insider transaction
- May 13, 26Form 144 ↗Notice of proposed sale
- May 8, 2610-Q ↗Quarterly report
- May 7, 268-K ↗Current report · Results
1,126 filings on record, the oldest from Nov 20, 06.
Listing the 25 most recent filings of the 1,126 on record.
14041
- Sep 23, 26Entered a material agreement+1 more in the same filing8-K 1.01 ↗
7 senior executive changes2023 – 2026show all 7hide
- Jun 18, 26A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jun 13, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Nov 18, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 14, 24A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Mar 7, 24A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Feb 29, 24A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Dec 12, 23A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Oct 5, 23Entered a material agreement+5 more in the same filing8-K 1.01 ↗
7 senior executive changes2021 – 2023show all 7hide
- Jun 9, 23A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Jan 24, 23A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Jun 10, 22A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Apr 25, 22A senior executive left or was appointed8-K 5.02 ↗
- Dec 6, 21A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Oct 25, 21A senior executive left or was appointed+1 more in the same filing8-K 5.02 ↗
- Aug 5, 21A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- May 3, 21Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Apr 16, 21A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Sep 10, 19A senior executive left or was appointed8-K 5.02 ↗
- Jul 2, 19Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Jun 17, 19A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Apr 15, 19A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Nov 9, 18Completed an acquisition or disposal+3 more in the same filing8-K 2.01 ↗
- Oct 9, 18Entered a material agreement+2 more in the same filing8-K 1.01 ↗
1 older filings not shown · The record reaches back to Nov 29, 06.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Apr 23, 08Listing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
The full record holds 1 stress filing.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- Divisadero Street Capital Management, LP8.9%May 12, 26SCHEDULE 13G ↗5 co-filers on this document — the figure is the largest single stake, not their sum.
- BlackRock, Inc.8.0%Jun 30, 26SCHEDULE 13G/A ↗2 earlier filings
- The Vanguard Group7.3%Sep 30, 25SCHEDULE 13G/A ↗
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Sale intention announced
On Sep 15, THOMAS BRISBIN filed notice of intent to sell up to $389K. That is about 0.03% of shares outstanding.
A notice is not a sale: it may not go ahead, may happen in part, or at a different price.
After the notice, they sold $389K across 2 trades on Sep 15, per their Form 4. That is 100% of the shares announced so far, and the window is still open.
View notice (Form 144) ↗+2 more recent notices · 2 with a later sale
- Sep 15, 26Sell$316KThomas Donald Brisbin↗
- Sep 15, 26Sell$73KThomas Donald Brisbin↗
- Sep 8, 26Sell$303KThomas Donald Brisbin↗
- Sep 3, 26Sell$5.2MThomas Donald Brisbin↗
- May 14, 26Sell$2.3MMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 14, 26Sell$2.1MMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 14, 26Sell$737KMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 14, 26Sell$26KMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 13, 26Sell$926KMICHAEL A BIEBERPRESIDENT AND CEO↗
Stock compensation, tax and giftsshow the 31 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- Sep 16, 26Compensation$368KThomas Donald Brisbin↗
- Sep 15, 26Compensation$80KThomas Donald Brisbin↗
- Sep 8, 26Compensation$56KThomas Donald Brisbin↗
- Sep 3, 26Compensation$956KThomas Donald Brisbin↗
- Jun 17, 26Compensationamount n/aThomas Donald Brisbin↗
- Jun 17, 26Compensationamount n/aCynthia Downes↗
- Jun 17, 26Compensationamount n/aSteven A Cohen↗
- Jun 17, 26Compensationamount n/aMohammad Shahidehpour↗
- Jun 17, 26Compensationamount n/aDennis McGinn V↗
- Jun 17, 26Compensationamount n/aWANDA KAY REDER↗
- May 14, 26Compensation$651KMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 14, 26Compensation$470KMICHAEL A BIEBERPRESIDENT AND CEO↗
- May 13, 26Compensation$163KMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 25, 26Compensationamount n/aCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 25, 26Tax$177KCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 25, 26Compensationamount n/aMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 25, 26Tax$534KMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 25, 26Compensationamount n/aMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
- Mar 25, 26Tax$137KMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
- Mar 20, 26Tax$60KCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 20, 26Tax$180KMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 20, 26Tax$46KMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
- Mar 17, 26Tax$68KCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 17, 26Tax$206KMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 17, 26Tax$53KMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
- Mar 16, 26Compensationamount n/aCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 16, 26Tax$185KCREIGHTON K EARLYEXECUTIVE VP AND CFO↗
- Mar 16, 26Compensationamount n/aMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 16, 26Tax$557KMICHAEL A BIEBERPRESIDENT AND CEO↗
- Mar 16, 26Compensationamount n/aMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
- Mar 16, 26Tax$144KMICAH CHENEXECUTIVE VP & GENERAL COUNSEL↗
The full record holds 308 transactions and goes back to Jun 9, 22.
Its sector and its market
Willdan Group, Inc. among Industrials companies
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- End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
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- 250 clean closes in the period.
- SEC records
- 1,126 documents on file, from Nov 20, 2006 to Sep 23, 2026.
- Company description
- Wikipedia, read on Sep 3, 2026.
- This page
- Generated on Oct 19, 2026; refreshed through the day.
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Which SEC documents appear here?
Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
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It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.
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