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Thomas Donald Brisbin - DirectorOpen-market sale$316K- Thomas Donald Brisbin
About Willdan Group, Inc. (WLDN)
Willdan Group, Inc. is an SEC registrant, filing under CIK 0001370450, classified as engineering services. It is grouped with Industrials companies on this site.
WLDN Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 67,101 | $5.87M |
| Option exercise | 8 | 179,442 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
WLDN insider transactions (Form 4)
5654 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 1 of 2.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Thomas Donald Brisbin - Director | Option exercise | Common Stock | 22,635 | $16.27 | $368K | |
| Thomas Donald Brisbin - Director | Option exercise | Stock Options (Right to Buy) | 22,635 | $0.00 | - | |
| Thomas Donald Brisbin - Director | Option exercise | Common Stock | 4,905 | $16.27 | $80K | |
| Thomas Donald Brisbin - Director | Open-market sale | Common Stock | 4,005 | $79.01 footnote F2 | $316K | |
| Thomas Donald Brisbin - Director | Open-market sale | Common Stock | 900 | $80.91 footnote F3 | $73K | |
| Thomas Donald Brisbin - Director | Option exercise | Stock Options (Right to Buy) | 4,905 | $0.00 | - | |
| ||||||
| Thomas Donald Brisbin - Director | Option exercise | Common Stock | 3,439 | $16.27 | $56K | |
| Thomas Donald Brisbin - Director | Open-market sale | Common Stock | 3,439 | $88.19 footnote F2 | $303K | |
| Thomas Donald Brisbin - Director | Option exercise | Stock Options (Right to Buy) | 3,439 | $0.00 | - | |
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| Thomas Donald Brisbin - Director | Option exercise | Common Stock | 58,757 | $16.27 | $956K | |
| Thomas Donald Brisbin - Director | Open-market sale | Common Stock | 58,757 | $88.14 footnote F2 | $5.18M | |
| Thomas Donald Brisbin - Director | Option exercise | Stock Options (Right to Buy) | 58,727 | $0.00 | - | |
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| Mohammad Shahidehpour | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
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| Cynthia Downes | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
| ||||||
 Wanda Kay Reder | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
| ||||||
 Dennis V. McGinn | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
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 Steven A. Cohen | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
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| Thomas Donald Brisbin | Grant or award | Common Stock | 1,241 footnote F1 | $0.00 | - | |
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 Michael A. Bieber - Officer | Option exercise | Common Stock | 40,009 | $16.27 | $651K | |
| Michael A. Bieber - Officer | Option exercise | Common Stock | 16,667 | $28.19 | $470K | |
| Michael A. Bieber - Officer | Open-market sale | Common Stock | 25,429 | $90.88 footnote F2 | $2.31M | |
| Michael A. Bieber - Officer | Open-market sale | Common Stock | 23,015 | $91.95 footnote F3 | $2.12M | |
| Michael A. Bieber - Officer | Open-market sale | Common Stock | 7,956 | $92.65 footnote F4 | $737K | |
| Michael A. Bieber - Officer | Open-market sale | Common Stock | 276 | $93.74 footnote F5 | $26K | |
| Michael A. Bieber - Officer | Option exercise | Stock Options (Right to Buy) | 40,009 | $0.00 | - | |
| Michael A. Bieber - Officer | Option exercise | Stock Options (Right to Buy) | 16,667 | $0.00 | - | |
| ||||||
| Michael A. Bieber - Officer | Option exercise | Common Stock | 9,991 | $16.27 | $163K | |
| Michael A. Bieber - Officer | Open-market sale | Common Stock | 9,991 | $92.65 footnote F2 | $926K | |
| Michael A. Bieber - Officer | Option exercise | Stock Options (Right to Buy) | 9,991 | $0.00 | - | |
| ||||||
 Micah Chen - Officer | Grant or award | Common Stock | 3,780 footnote F1 | $0.00 | - | |
| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 1,660 footnote F3 | $82.80 | $137K | |
| ||||||
| Michael A. Bieber - Officer | Grant or award | Common Stock | 15,750 footnote F1 | $0.00 | - | |
| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 6,444 footnote F3 | $82.80 | $534K | |
| ||||||
| Creighton K. Early - Officer | Grant or award | Common Stock | 3,780 footnote F1 | $0.00 | - | |
| Creighton K. Early - Officer | Tax withholding / forfeiture | Common Stock | 2,142 footnote F3 | $82.80 | $177K | |
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| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 615 footnote F1 | $75.52 | $46K | |
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| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 2,387 footnote F1 | $75.52 | $180K | |
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| Creighton K. Early - Officer | Tax withholding / forfeiture | Common Stock | 794 footnote F1 | $75.52 | $60K | |
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| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 2,625 footnote F1 | $78.29 | $206K | |
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| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 676 footnote F1 | $78.29 | $53K | |
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| Creighton K. Early - Officer | Tax withholding / forfeiture | Common Stock | 873 footnote F1 | $78.29 | $68K | |
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| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 1,826 footnote F3 | $78.61 | $144K | |
| Micah Chen - Officer | Grant or award | Common Stock | 4,158 footnote F1 | $0.00 | - | |
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| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 7,090 footnote F3 | $78.61 | $557K | |
| Michael A. Bieber - Officer | Grant or award | Common Stock | 17,326 footnote F1 | $0.00 | - | |
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| Creighton K. Early - Officer | Grant or award | Common Stock | 4,158 footnote F1 | $0.00 | - | |
| Creighton K. Early - Officer | Tax withholding / forfeiture | Common Stock | 2,356 footnote F3 | $78.61 | $185K | |
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| Micah Chen - Officer | Grant or award | Common Stock | 3,960 footnote F1 | $0.00 | - | |
| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 1,738 footnote F3 | $83.98 | $146K | |
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| Thomas Donald Brisbin | Grant or award | Common Stock | 24,750 footnote F1 | $0.00 | - | |
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| Michael A. Bieber - Officer | Grant or award | Common Stock | 18,810 footnote F1 | $0.00 | - | |
| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 7,697 footnote F3 | $83.98 | $646K | |
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| Creighton K. Early - Officer | Tax withholding / forfeiture | Common Stock | 2,244 footnote F3 | $83.98 | $188K | |
| Creighton K. Early - Officer | Grant or award | Common Stock | 3,960 footnote F1 | $0.00 | - | |
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| Micah Chen - Officer | Tax withholding / forfeiture | Common Stock | 410 footnote F1 | $82.98 | $34K | |
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| Michael A. Bieber - Officer | Tax withholding / forfeiture | Common Stock | 1,814 footnote F1 | $82.98 | $151K | |
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Item 1.01, 9.01
Item 2.02, 9.01
Item 5.02, 5.07, 9.01
Item 2.02, 9.01
Recent WLDN Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Brisbin Thomas | Director | 4,905 | $389K | View on EDGAR | |
| Brisbin Thomas | Director | 3,439 |
WLDN insider trading FAQ
What is the latest insider trade for WLDN?
Willdan Group, Inc. (WLDN) had 4 insider filings in the last 90 days, with the most recent on 17 September 2026. The full record for WLDN runs to 54 Form 4 filings, the earliest from 8 November 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying WLDN stock?
No insider purchases of WLDN were filed in the last 90 days.
How many insiders are selling WLDN stock?
4 insider sales of WLDN were filed in the last 90 days, totaling $5.87M.
Where can I see WLDN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects WLDN Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Thomas Donald Brisbin view on EDGAR
- - Thomas Donald Brisbin view on EDGAR
- - Thomas Donald Brisbin view on EDGAR
- - Thomas Donald Brisbin view on EDGAR
- - Mohammad Shahidehpour view on EDGAR
- - Cynthia Downes view on EDGAR
- - Wanda Kay Reder view on EDGAR
- - Dennis V. McGinn view on EDGAR
- - Steven A. Cohen view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where WLDN's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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