官方财报日， 3月5日，盘后。$Willdan集团(WLDN)$ ANAHEIM, Calif.--(BUSINESS WIRE)--Willdan Group, Inc. (“Willdan”) (NASDAQ: WLDN), a provider of professional technical and consulting services, today announced the planned date for the release of its fourth quarter 2019 financial results and the related conference call to discuss the results. On Thursday, March 5, 2020, after market close, Willdan plans to release its fourth quarter 2019 financial results.