0001415889-25-014748.txt : 20250528 0001415889-25-014748.hdr.sgml : 20250528 20250528174553 ACCESSION NUMBER: 0001415889-25-014748 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250523 FILED AS OF DATE: 20250528 DATE AS OF CHANGE: 20250528 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Brisbin Thomas Donald CENTRAL INDEX KEY: 0001395188 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33076 FILM NUMBER: 25996797 MAIL ADDRESS: STREET 1: 2401 E. KATELLA AVENUE, #300 CITY: ANAHEIM STATE: CA ZIP: 92806 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Willdan Group, Inc. CENTRAL INDEX KEY: 0001370450 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-ENGINEERING SERVICES [8711] ORGANIZATION NAME: 07 Trade & Services EIN: 141951112 STATE OF INCORPORATION: DE FISCAL YEAR END: 0102 BUSINESS ADDRESS: STREET 1: 2401 EAST KATELLA AVENUE, SUITE 300 CITY: ANAHEIM STATE: CA ZIP: 92806 BUSINESS PHONE: 800-424-9144 MAIL ADDRESS: STREET 1: 2401 EAST KATELLA AVENUE, SUITE 300 CITY: ANAHEIM STATE: CA ZIP: 92806 4 1 form4-05282025_090550.xml X0508 4 2025-05-23 0001370450 Willdan Group, Inc. WLDN 0001395188 Brisbin Thomas Donald 2401 EAST KATELLA AVENUE SUITE 300 ANAHEIM CA 92806 true false false false 0 Common Stock 2025-05-23 4 M 0 1626 13.91 A 424080 D Common Stock 2025-05-23 4 S 0 1626 51.54 D 422454 D Stock Options (Right to Buy) 13.91 2025-05-23 4 M 0 1626 0 D 2016-06-05 2025-06-05 Common Stock 1626 22459 D Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026 and (ii) 5,834 shares of restricted stock that vest on March 7, 2026. The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $51.53 to $51.56, inclusive. The Reporting Person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of June 5, 2016, June 5, 2017, and June 5, 2018. /s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin 2025-05-28