Insiders who reported open-market trades in the last 12 months at the companies Thomas Donald Brisbin files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Michael A. Bieber - $6.12M in WLDN purchases and sales in the last 12 months
Steven A. Cohen - $491K in WLDN purchases and sales in the last 12 months
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Thomas Donald Brisbin is a corporate insider, tracked as Director of Willdan Group, Inc. (WLDN). InsiderAlpha holds 12 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Thomas Donald Brisbin submitted recently?
4 primary Form 4 filings in the last 90 days, covering 1 company.
Has Thomas Donald Brisbin been buying or selling stock?
Recorded transactions: 0 open-market purchases and 28 open-market sales ($48.34M) across all tracked filings.
Thomas Donald Brisbin is Director of Willdan Group, Inc. (WLDN). 12 SEC Form 4 filings on record going back to 2024, most recently on 17 September 2026. Most recent open-market trade: sold $73K of WLDN on 16 September 2026. Lifetime open-market sales: $48.34M.
Recent transactions
20
The latest 20 SEC Form 4 transactions reported by Thomas Donald Brisbin.
InsiderAlpha's records for Thomas Donald Brisbin go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
