Dennis V McGinn - 18 Sep 2025 Form 4 Insider Report for Willdan Group, Inc. (WLDN)

Role: Director
Signature: /s/ Creighton K. Early, Attorney-in-fact for Dennis V. McGinn
Issuer symbol: WLDN
Transactions as of: 18 Sep 2025
Net transactions value: -$775,923
Form type: 4
Filing time: 22 Sep 2025, 17:42:01 UTC
Previous filing: 12 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
McGinn Dennis V	Director	2401 E. KATELLA AVE, SUITE 300, ANAHEIM	/s/ Creighton K. Early, Attorney-in-fact for Dennis V. McGinn	22 Sep 2025	0001701806

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLDN	Common Stock	Sale	$775,923	-7,298	-39%	$106.32	11,330	18 Sep 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $106.00 to $106.87, 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 (1).
F2	Includes (i) 1,781 shares of restricted stock that vest on June 11, 2026 and (ii) 1,124 shares of restricted stock that vest on June 12, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Content

The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $106.00 to $106.87, 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 (1).

Includes (i) 1,781 shares of restricted stock that vest on June 11, 2026 and (ii) 1,124 shares of restricted stock that vest on June 12, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.