Company profile
Willdan Group, Inc. Insider Trading
WLDNEvery SEC Form 4 insider trading filing for Willdan Group, Inc. (WLDN) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Services-Engineering Services
- CIK
- 0001370450
- Filings
- 146
- Insiders
- 13
- Last filing
- 2026-09-16
Activity summary
Recent insider activity is bullish. Over the last 30 days, 8 insiders purchased shares versus 4 sales. Buying was led by Thomas Donald Brisbin.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Willdan Group, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $46.0M.
90 day insight
Over the last 90 days, Willdan Group, Inc. insiders bought $1.5M (8 transactions) and sold $5.9M (4 transactions).
- Most active insider: Thomas Donald Brisbin with 12 transactions totaling $7.3M.
- Largest single sale: $5.2M by Thomas Donald Brisbin on Sep 3, 2026.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | Thomas Donald Brisbin | WLDN | Option Exercise | 22,635 | $16.27 | $368K |
| Sep 16, 2026 | Thomas Donald Brisbin | WLDN | Option Exercise | 22,635 | — | — |
| Sep 15, 2026 | Thomas Donald Brisbin | WLDN | Option Exercise | 4,905 | $16.27 | $80K |
| Sep 15, 2026 | Thomas Donald Brisbin | WLDN | Sale | 4,005 | $79.01 | $316K |
| Sep 15, 2026 | Thomas Donald Brisbin | WLDN | Sale | 900 | $80.91 | $73K |
45 more transactions hidden
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Query this yourself
The same rows, over the API.
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Willdan Group, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →