Thomas Donald Brisbin - 25 Aug 2025 Form 4 Insider Report for Willdan Group, Inc. (WLDN)

Role
Director
Signature
/s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin
Issuer symbol
WLDN
Transactions as of
25 Aug 2025
Net transactions value
-$527,942
Form type
4
Filing time
26 Aug 2025, 17:45:24 UTC
Previous filing
26 Aug 2025
Next filing
12 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brisbin Thomas Donald Director 2401 EAST KATELLA AVENUE, SUITE 300, ANAHEIM /s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin 26 Aug 2025 0001395188

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WLDN Common Stock Options Exercise $84,311 +5,182 +7.3% $16.27 75,878 25 Aug 2025 Direct F1
transaction WLDN Common Stock Sale $612,253 -5,182 -6.8% $118.15 70,696 25 Aug 2025 Direct F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WLDN Stock Options (Right to Buy) Options Exercise $0 -5,182 -5.5% $0.000000 89,736 25 Aug 2025 Common Stock 5,182 $16.27 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes (i) 1,781 shares of restricted stock that vest on June 11, 2026, (ii) 1,124 shares of restricted stock that vest on June 12, 2026, and (iii) 5,834 shares of restricted stock that vest on March 7, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.
F2 The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $118.07 to $118.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 (2).
F3 Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of November 3, 2017, November 3, 2018 and November 3, 2019.