Live feed17:45:53·392dINSIDERFilingvia QuantisnowDirector Brisbin Thomas Donald sold $83,804 worth of shares (1,626 units at $51.54) and exercised 1,626 shares at a strike of $13.91 (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WLDN· Willdan Group Inc.Consumer DiscretionaryOriginal source