[Form 4] Willdan Group, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Dennis V. McGinn, a director of Willdan Group, Inc. (WLDN), reported the sale of 7,298 shares of the company’s common stock on 09/18/2025 at a weighted average price of $106.32. After the sale he beneficially owns 11,330 shares, which include 1,781 restricted shares vesting on June 11, 2026 and 1,124 restricted shares vesting on June 12, 2026, both subject to continued service. The Form 4 was signed by an attorney-in-fact, Creighton K. Early, on 09/22/2025. The filing discloses that the reported price is a weighted average for multiple transactions executed between $106.00 and $106.87, and offers to provide further per-trade details upon request.

Positive

• Timely disclosure of the insider sale via Form 4 with clear weighted-average price and offer to provide per-trade details
• Post-sale beneficial ownership and restricted-stock vesting dates are explicitly disclosed

Negative

• Director sale of 7,298 shares reduces insider holdings to 11,330 shares
• No 10b5-1 plan designation disclosed in this Form 4 for the reported sale

Insights

Securities Analyst

TL;DR: Director sale of 7,298 shares reduces insider holdings but appears routine; filing provides clear transaction detail.

The Form 4 shows a director-initiated sale of 7,298 shares at a weighted average price of $106.32 executed on 09/18/2025, leaving the reporting person with 11,330 shares including time-vesting restricted stock. The filing includes a transparent price range ($106.00–$106.87) and an offer to provide per-trade breakdowns, which aids market transparency. There is no additional information about any 10b5-1 plan or other arrangement disclosed in the form, and no derivative transactions were reported. Overall this is a straightforward insider sale disclosure and, based solely on the filing, does not indicate a material change to company fundamentals.

Corporate Governance Expert

TL;DR: Timely Form 4 filing documents a director sale; governance disclosure appears complete for the reported transaction.

The Form 4 is properly executed and signed by an attorney-in-fact, indicating formal compliance with Section 16 reporting requirements. The report specifies post-transaction beneficial ownership and documents restricted stock vesting dates, which helps stakeholders evaluate insider alignment over time. The absence of stated 10b5-1 plan designation in the form means the sale may have been discretionary, but the filing does not provide any indication of related-party transactions or other governance anomalies. From a governance perspective, the form meets disclosure standards for this class of transaction.

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
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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^*

McGinn Dennis V

(Last) (First) (Middle)

2401 E. KATELLA AVE

SUITE 300

(Street)

ANAHEIM CA 92806

(City) (State) (Zip)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2025

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

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

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

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	09/18/2025		S		7,298	D	$106.32(1)	11,330(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. 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).

2. 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.

	/s/ Creighton K. Early, Attorney-in-fact for Dennis V. McGinn	09/22/2025
	** 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.

FAQ

What did WLDN director Dennis V. McGinn sell according to the Form 4?

He sold 7,298 shares of Willdan Group, Inc. common stock on 09/18/2025 at a weighted average price of $106.32.

How many Willdan (WLDN) shares does Dennis V. McGinn own after the sale?

Following the reported transaction he beneficially owns 11,330 shares of WLDN common stock.

Does the Form 4 disclose any restricted shares for the reporting person?

Yes. The filing includes 1,781 restricted shares vesting on June 11, 2026 and 1,124 restricted shares vesting on June 12, 2026, subject to continued service.

What price range did the sale of WLDN shares occur at?

The reported weighted average price is $106.32, and the shares were sold in multiple transactions at prices ranging from $106.00 to $106.87.

Who signed the Form 4 for Dennis V. McGinn?

The Form 4 was signed by an attorney-in-fact, Creighton K. Early, on 09/22/2025.