Table of Contents Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ⌧ No ◻ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. Yes ◻ No ⌧ Indicate by check ...

Exhibit 99.1 Willdan Group Reports Fourth Quarter/Full Year 2023 Results and Provides 2024 Outlook ANAHEIM, Calif. –March 7, 2024 – Willdan Group, Inc. ("Willdan") (Nasdaq: WLDN) today reported financial results for its fourth quarter and fiscal year ended December 29, 2023 and outlook for 2024. "We had an exceptional fourth quarter," said Mike Bieber, Willdan's President and Chief Executive Officer. "Revenue, profitability and cash flow were above our expectations, aided by end of year program expansions. ...

Willdan Group, Inc. (NASDAQ:WLDN) Q3 2023 Earnings Conference Call November 2, 2023 5:30 PM ET Company Participants Al Kaschalk - VP, Investor Relations Thomas Brisbin - Chief Executive Officer and Chairman Creighton Early - Chief Financial Officer Michael Bieber - President Conference Call Participants Craig Irwin - Roth MKM Operator Good day, ladies and gentlemen, and welcome to the Willdan Group Third Quarter 2023 Financial Results Conference Call. Our host for today's call is Al Kaschalk, Vice Presiden ...

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 29, 2023 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 14-1951112 (State or Other ...

Willdan Group, Inc. (NASDAQ:WLDN) Q2 2023 Earnings Conference Call August 3, 2023 5:30 PM ET Company Participants Al Kaschalk - VP of IR Thomas Brisbin - Chairman and CEO Kim Early - Chief Financial Officer Mike Bieber - President Conference Call Participants Craig Irwin - ROTH MKM Moshe Katri - Wedbush Securities Operator Good day, ladies and gentlemen, and welcome to Willdan Group's Second Quarter 2023 Financial Results Conference Call. Our host for today's call is Al Kaschalk. [Operator Instructions] 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 June 30, 2023 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) (IRS Employer Identification No.) Delawar ...

Willdan Group, Inc. (NASDAQ:WLDN) Q1 2023 Earnings Conference Call May 4, 2023 5:30 PM ET Company Participants Al Kaschalk - VP of IR Thomas Brisbin - Chairman and CEO Creighton Early - CFO and VP Michael Bieber - President Conference Call Participants Chip Moore - EF Hutton Marc Riddick - Sidoti Operator Good day, ladies and gentlemen, and welcome to the Willdan Group First Quarter 2023 Financial Results Conference Call. [Operator Instructions] At this time, it is my pleasure to turn the floor over to your ...

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 31, 2023 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 14-1951112 (IRS Employer Identi ...

Willdan Group, Inc. (NASDAQ:WLDN) Q4 2022 Earnings Conference Call March 9, 2023 5:30 PM ET Company Participants Al Kaschalk - VP of IR Thomas Brisbin - Chairman & CEO Creighton Early - CFO & VP Michael Bieber - President Conference Call Participants Chip Moore - EF Hutton Marc Riddick - Sidoti & Company Operator Greetings, and welcome to the Willdan Group Fourth Quarter and Full Year 2022 Financial Results Conference Call. [Operator Instructions]. It is now my pleasure to introduce your host, Al Kaschalk o ...

Table of Contents If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ | "C/l 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 | | ...