Willdan Group, Inc. (WLDN) Insider Trading & SEC Filings
Last SEC filing
Willdan Group, Inc. (WLDN) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-18. Insider sales over the same period: 5 transactions worth $6.12M. 2 Form 8-K material event filings were reported by WLDN in the last 90 days. 2 Form 144 notices of proposed sale were filed for WLDN stock. InsiderAlpha tracks every WLDN SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About Willdan Group, Inc. (WLDN)
Willdan Group, Inc. trades under the ticker WLDN. InsiderAlpha tracks 50 primary SEC Form 4 filings from 9 reporting insiders for WLDN since 2024, sourced directly from SEC EDGAR.
| Sector | Industrials insider trading |
|---|---|
| SIC classification | Services-Engineering Services (SIC 8711) |
| SEC CIK | 0001370450 |
90-Day SEC Filing Activity
| Insider sales (90d) | 5 ($6.12M) |
|---|---|
| Form 4 filings (90d) | 8 |
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-06-18 |
Recent WLDN Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Thomas Donald Brisbin | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Dennis V. McGinn | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Cynthia Downes | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Steven A. Cohen | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Wanda Kay Reder | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Mohammad Shahidehpour | Insider | A - Grant or award | 1.2K | $0.00 | - | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | S - Open-market sale | 8.0K | $92.65 | $737K | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | S - Open-market sale | 276 | $93.74 | $26K | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | M - Option exercise | 16.7K | $28.19 | $470K | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | S - Open-market sale | 23.0K | $91.95 | $2.12M | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | M - Option exercise | 40.0K | $16.27 | $651K | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | S - Open-market sale | 25.4K | $90.88 | $2.31M | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | M - Option exercise | 10.0K | $16.27 | $163K | SEC | |
| Michael A. Bieber | PRESIDENT AND CEO | S - Open-market sale | 10.0K | $92.65 | $926K | SEC | |
| Micah Chen | EXECUTIVE VP & GENERAL COUNSEL | F - Tax withholding / forfeiture | 1.7K | $82.80 | $137K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Willdan Group, Inc. (WLDN). Updated in real time as new filings are submitted to the SEC.
Most-Active WLDN Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Michael A. Bieber | 11 | $7.40M |
| Steven A. Cohen | 1 | - |
| Wanda Kay Reder | 1 | - |
| Cynthia Downes | 1 | - |
| Thomas Donald Brisbin | 1 | - |
Recent WLDN Form 8-K Material Events
Recent WLDN Form 144 Notices of Proposed Sale
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
Recent Insider Filings
- - Mohammad Shahidehpour (Insider)
- - Cynthia Downes (Insider)
- - Wanda Kay Reder (Insider)
- - Dennis V. McGinn (Insider)
- - Steven A. Cohen (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in WLDN insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
WLDN Insider Trading - FAQ
- What is the latest insider trade for WLDN?
- Willdan Group, Inc. (WLDN) had 8 insider filings in the last 90 days, with the most recent on 2026-06-18. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying WLDN stock?
- 0 insider purchases of WLDN were filed in the last 90 days.
- How many insiders are selling WLDN stock?
- 5 insider sales of WLDN were filed in the last 90 days, totaling $6.12M.
- Where can I see WLDN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks WLDN Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials Companies with Insider Activity
Other companies in the InsiderAlpha index with a significant SEC Form 4 insider-trading footprint:
- $ZEO Zeo Energy Corp.
- $ADMQ ADM ENDEAVORS, INC.
- $ARAI Arrive AI Inc.
- $BRQL brooqLy, Inc.
- $CCO Clear Channel Outdoor Holdings, Inc.
- $CGEH Capstone Green Energy Holdings, Inc.
- $DFNS Nukkleus Inc.
- $DRCT Direct Digital Holdings, Inc.
- $FLY Firefly Aerospace Inc.
- $GOLD Gold.com, Inc.
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live WLDN dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.