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Willdan director exercises options for 22,635 shares

Willdan Group, Inc. director Thomas Donald Brisbin exercised previously granted stock options to acquire 22,635 shares of Willdan common stock on September 16, 2026 at an exercise price of $16.27 per share.

(Moderate)
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Form Type
4

Rhea-AI Filing Summary

Willdan Group, Inc. director Thomas Donald Brisbin exercised previously granted stock options to acquire 22,635 shares of Willdan common stock on September 16, 2026 at an exercise price of $16.27 per share. These options were granted under Willdan Group, Inc.’s Amended and Restated 2008 Performance Incentive Plan and vested in three equal installments on November 3, 2017, November 3, 2018 and November 3, 2019.

Following this option exercise, Brisbin directly holds 119,322 shares of Willdan common stock, which includes 1,241 shares of restricted stock scheduled to vest on June 17, 2027. No Rule 10b5-1 trading plan is reported for these transactions.

Positive

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Negative

  • None.
Insider Brisbin Thomas Donald
Role Director
Type Security Shares Price Value
Exercise Stock Options (Right to Buy) F2 22,635 $0.00 $0.00
Exercise Common Stock F1 22,635 $16.27 $368K
Holdings After Transaction: Stock Options (Right to Buy) — 0 contracts (Direct); Common Stock — 119,322 shares (Direct)
Footnotes (2)
  1. F1. Includes 1,241 shares of restricted stock that vest on June 17, 2027.
  2. 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 November 3, 2017, November 3, 2018 and November 3, 2019.
Options exercised 22,635 shares Shares of Willdan common stock acquired through option exercise on September 16, 2026
Option exercise price $16.27 per share Exercise price for options converted into 22,635 shares of common stock
Shares held after transaction 119,322 shares Directly held Willdan common shares by Thomas Donald Brisbin after the transactions
Restricted stock included in holdings 1,241 shares Restricted stock scheduled to vest on June 17, 2027, included in Brisbin’s total holdings
Option vesting installments 3 equal installments Options vested on November 3, 2017; November 3, 2018; and November 3, 2019
restricted stock financial
"Includes 1,241 shares of restricted stock that vest on June 17, 2027."
Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.
Amended and Restated 2008 Performance Incentive Plan financial
"Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments"
stock options financial
"Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments"
Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Willdan Group (WLDN) director Thomas Donald Brisbin report on this Form 4?

He reported exercising stock options to acquire 22,635 shares of Willdan Group common stock on September 16, 2026, increasing his directly held position to 119,322 shares, including restricted stock awards.

How many Willdan Group (WLDN) shares does Thomas Donald Brisbin hold after the reported transactions?

After the reported transactions, Thomas Donald Brisbin directly holds 119,322 shares of Willdan Group common stock. This total includes 1,241 shares of restricted stock that are scheduled to vest on June 17, 2027.

What was the exercise price of the options Brisbin exercised for Willdan Group (WLDN)?

The stock options exercised by Thomas Donald Brisbin on Willdan Group common stock had an exercise price of $16.27 per share. He exercised options covering 22,635 shares that were granted under the company’s Amended and Restated 2008 Performance Incentive Plan.

Were the Willdan Group (WLDN) transactions made under a Rule 10b5-1 trading plan?

No. The filing indicates that no Rule 10b5-1 trading plan is associated with these transactions by Thomas Donald Brisbin. The reported option exercise and resulting share acquisition were not affirmed as being made under such a plan.

What restricted stock awards does Thomas Donald Brisbin hold in Willdan Group (WLDN)?

Thomas Donald Brisbin’s post-transaction holdings include 1,241 shares of restricted stock of Willdan Group, Inc. These restricted shares are scheduled to vest on June 17, 2027, as disclosed in the footnotes to the filing.

When did the Willdan Group (WLDN) stock options exercised by Brisbin vest?

The stock options exercised by Thomas Donald Brisbin were granted under Willdan Group, Inc.’s Amended and Restated 2008 Performance Incentive Plan and vested in three equal installments on November 3, 2017, November 3, 2018, and November 3, 2019.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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*
Brisbin Thomas Donald

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock09/16/2026M22,635A$16.27119,322(1)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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Options (Right to Buy)$16.2709/16/2026M22,63511/03/2017(2)11/03/2026Common Stock22,635$00D
Explanation of Responses:
1. Includes 1,241 shares of restricted stock that vest on June 17, 2027.
2. 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.
/s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin09/17/2026
** Signature of Reporting PersonDate
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)

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