Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended July 3, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-33076 WILLDAN GROUP, INC. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorporat ...

Willdan Group, Inc. (NASDAQ:WLDN) Q1 2020 Results Conference Call May 7, 2020 5:30 PM ET Company Participants Tony Rossi - Financial Profiles, Inc. Thomas Brisbin - Chairman and Chief Executive Officer Stacy McLaughlin - Chief Financial Officer Mike Bieber - President Conference Call Participants Craig Irwin - ROTH Capital Partners Jed Dorsheimer - Canaccord Genuity Operator Good day, and welcome to the Willdan Group First Quarter 2020 Conference Call. Today's conference is being recorded. At this time, I w ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 3, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-33076 WILLDAN GROUP, INC. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorpora ...

Willdan Group, Inc. (NASDAQ:WLDN) Q4 2019 Results Conference Call March 5, 2020 5:30 PM ET Company Participants Tony Rossi - Financial Profiles, Inc. Thomas Brisbin - Chairman and Chief Executive Officer Stacy McLaughlin - Chief Financial Officer Mike Bieber - President Conference Call Participants Moshe Katri - Wedbush Securities Craig Irwin - Roth Capital Partners Operator Good day, everyone. Welcome to the Willdan Group Fourth Quarter 2019 Conference Call. Today's conference is being recorded. At this ti ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 27, 2019. ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period from to . Commission File Number 001‑33076 WILLDAN GROUP, INC. (Exact name of registrant as specified in its charter) Delaware (State or other jurisdict ...

Willdan Group, Inc. (NASDAQ:WLDN) Q3 2019 Earnings Conference Call October 31, 2019 5:30 PM ET Company Participants Tony Rossi - Financial Profiles Thomas Brisbin - Chairman & CEO Stacy McLaughlin - CFO Conference Call Participants Chip Moore - Canaccord Genuity Craig Irwin - ROTH Capital Partners Robert Hellaur - Casey Capital Operator Good day and welcome to the Willdan Group's Third Quarter 2019 Conference Call. Today's conference is being recorded. And at this time, I would like to turn the conference o ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 27, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-33076 WILLDAN GROUP, INC. Securities registered pursuant to Section 12(b) of the Act: | | | Name of each exchange on ...

Willdan Group, Inc. (NASDAQ:WLDN) Q2 2019 Earnings Conference Call August 1, 2019 5:30 PM ET Company Participants Tony Rossi - Investor Relations Thomas Brisbin - Chairman & Chief Executive Officer Stacy McLaughlin - Chief Financial Officer Mike Bieber - President Conference Call Participants Craig Irwin - ROTH Capital Partners Moshe Katri - Wedbush Securities Andrew Gordon - EF Gordon Capital Tom Koch - Trancoso Partners Operator Good day, and welcome to the Willdan Group Second Quarter 2019 Conference Ca ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 28, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-33076 WILLDAN GROUP, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 14-195112 (State or Other Jurisd ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 29, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 001-33076 WILLDAN GROUP, INC. (Exact Name of Registrant as Specified in Its Charter) Delaware 14-195112 (State or Other Juris ...