Willdan Group (NASDAQ: WLDN) EVP has 676 shares withheld for RSU taxes

Rhea-AI Filing Summary

Willdan Group executive Micah Chen reported a routine tax-related share disposition. On March 17, 2026, 676 shares of Willdan Group common stock were withheld at $78.29 per share to cover tax obligations triggered by vesting restricted stock units granted on March 17, 2025.

After this withholding, Chen directly held 48,545 shares of common stock. Footnotes state he also holds unvested restricted stock units: 4,500 RSUs vesting in three equal installments on March 3 of 2027, 2028 and 2029; 3,080 RSUs vesting in two equal installments on March 17 of 2027 and 2028; and 2,800 RSUs vesting in two equal installments on March 20 of 2026 and 2027, subject to continued service.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider CHEN MICAH

Role EXECUTIVE VP & GENERAL COUNSEL

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	676	$78.29	$53K

Holdings After Transaction: Common Stock — 48,545 shares (Direct)

Footnotes (1)

1. Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units on March 17, 2026, which restricted stock was granted on March 17, 2025. Includes (i) 4,500 shares of restricted stock units that vest in three substantially equal installments on each of March 3, 2027, March 3, 2028 and March 3, 2029, (ii) 3,080 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 2,800 shares of restricted stock units that vest in two substantially equal installments on each of March 20, 2026 and March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

CHEN MICAH

(Last) (First) (Middle)

2401 EAST KATELLA AVENUE

SUITE 300

(Street)

ANAHEIM CALIFORNIA 92806

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Willdan Group, Inc. [ WLDN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EXECUTIVE VP & GENERAL COUNSEL

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/17/2026		F		676(1)	D	$78.29	48,545(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units on March 17, 2026, which restricted stock was granted on March 17, 2025.

2. Includes (i) 4,500 shares of restricted stock units that vest in three substantially equal installments on each of March 3, 2027, March 3, 2028 and March 3, 2029, (ii) 3,080 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 2,800 shares of restricted stock units that vest in two substantially equal installments on each of March 20, 2026 and March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

	/s/ Creighton K. Early, Attorney-in-fact for Micah Chen	03/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Willdan Group (WLDN) report for Micah Chen?

Willdan Group Executive VP & General Counsel Micah Chen reported a tax-withholding disposition of 676 common shares. The shares were withheld to cover taxes due upon vesting of prior restricted stock unit awards, rather than sold in the open market.

Was the WLDN Form 4 transaction a sale of shares by Micah Chen?

The Form 4 shows no open-market sale by Micah Chen. Instead, 676 shares of Willdan Group common stock were withheld by the company to satisfy tax obligations arising from vesting restricted stock units granted on March 17, 2025.

How many Willdan Group (WLDN) shares does Micah Chen hold after this Form 4?

Following the tax-withholding transaction, Micah Chen directly holds 48,545 shares of Willdan Group common stock. This position reflects his remaining equity stake after 676 shares were withheld to cover tax liabilities tied to restricted stock unit vesting.

What restricted stock units does Micah Chen still have with Willdan Group (WLDN)?

Footnotes state Chen holds 4,500 RSUs vesting in three installments on March 3 of 2027, 2028 and 2029, 3,080 RSUs vesting in two installments on March 17 of 2027 and 2028, and 2,800 RSUs vesting in two installments on March 20 of 2026 and 2027.

Why were 676 Willdan Group (WLDN) shares withheld from Micah Chen?

The 676 shares were withheld to satisfy tax withholding obligations upon RSU vesting. When restricted stock units granted on March 17, 2025 vested on March 17, 2026, the company retained shares instead of cash to cover Chen’s related tax liability.

Does the WLDN Form 4 indicate option exercises or derivative trades by Micah Chen?

The Form 4 data show no option exercises or derivative transactions for Micah Chen. It reports only a single non-derivative tax-withholding event in common stock, tied to vesting restricted stock units, with no derivative positions listed in the derivative summary.