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

Reporting relationship: Director
Issuer ticker: WLDN
Reported as of: 25 Aug 2025
Net transaction value: -$527,942
SEC form: 4
Accepted by SEC: 26 Aug 2025, 17:45:24 UTC
Prior SEC filing: 26 Aug 2025
Next SEC filing: 12 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin

Key filing fact

Thomas D. Brisbin filed Form 4 for Willdan Group, Inc. (WLDN) on 26 Aug 2025.

Key facts

This page summarizes Thomas D. Brisbin's Form 4 filing for Willdan Group, Inc. (WLDN).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 26 Aug 2025, 17:45.

Change

Previous filing in this sequence was filed on 26 Aug 2025.
Current net transaction value: -$527,942.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001395188 Primary reporting owner

Brisbin Thomas Donald

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WLDN transaction

Common Stock

Options Exercise

Transaction value: $84,311
Shares: +5,182
Change %: +7.3%
Price: $16.27
Shares after: 75,878
Date: 25 Aug 2025
Ownership: Direct
Footnotes: F1

WLDN transaction

Common Stock

Sale

Transaction value: $612,253
Shares: -5,182
Change %: -6.8%
Price: $118.15
Shares after: 70,696
Date: 25 Aug 2025
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WLDN transaction Derivative

Stock Options (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -5,182
Change %: -5.5%
Price: $0.000000
Shares after: 89,736
Date: 25 Aug 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,182
Exercise price: $16.27
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote 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.

Footnote 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).

Footnote 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.