CREIGHTON K. EARLY - 13 Aug 2025 Form 4 Insider Report for Willdan Group, Inc. (WLDN)

Role: EXECUTIVE VP AND CFO
Signature: /s/ Creighton K. Early
Issuer symbol: WLDN
Transactions as of: 13 Aug 2025
Transactions value $: -$834,319
Form type: 4
Filing time: 15 Aug 2025, 17:31:02 UTC
Previous filing: 29 May 2025
Next filing: 20 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
EARLY CREIGHTON K	EXECUTIVE VP AND CFO	2401 E. KATELLA AVE, SUITE 300, ANAHEIM	/s/ Creighton K. Early	15 Aug 2025	0000904702

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WLDN	Common Stock	Options Exercise	$70.5K	+7.76K	+10.77%	$9.08	79.8K	13 Aug 2025	Direct	F1
transaction	WLDN	Common Stock	Sale	-$905K	-7.76K	-9.73%	$116.54	72.1K	13 Aug 2025	Direct	F1

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	-7.76K	-100%	$0.00	0	13 Aug 2025	Common Stock	7.76K	$9.08	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Includes (i) 4,620 shares of restricted stock units that vest in three substantially equal installments on each of March 17, 2026, March 17, 2027 and March 17, 2028, (ii) 2,800 shares of restricted stock units that vest in two substantially equal installments on each of March 20, 2026 and March 20, 2027 and (iii) 7,600 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	Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of December 7, 2016, December 7, 2017 and December 7, 2018.

Content

Includes (i) 4,620 shares of restricted stock units that vest in three substantially equal installments on each of March 17, 2026, March 17, 2027 and March 17, 2028, (ii) 2,800 shares of restricted stock units that vest in two substantially equal installments on each of March 20, 2026 and March 20, 2027 and (iii) 7,600 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.

Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of December 7, 2016, December 7, 2017 and December 7, 2018.