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Brisbin Thomas Donald

Disclosed activity across 1 company

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10208
SEC CIK
0001395188

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Willdan Group, Inc.WLDN · Entity 4758DirectorSeptember 16, 2026September 17, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Willdan Group, Inc.

Report date September 16, 2026 · Filed September 17, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect119,322 Reported balance After 2026-09-16 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-09-16 · Exercise / conversion · Acquired 22,635 · Balance 119,322

F1: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $16.27 · Expires 2026-11-03Direct0 Reported balance After 2026-09-16 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-09-16 · Exercise / conversion · Disposed 22,635 · Balance 0

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.

Filing footnotes · ownership attribution and instrument terms

F1: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
May 16, 2025 Filed May 20, 2025 21:43 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 20,000 $0.00 Strike: $13.91 $0.00
Disclosure

SEC source: 0001415889-25-013838 · form4-05202025_090538.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 20,000 shares

Expires 2025-06-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_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 June 5, 2016, June 5, 2017, and June 5, 2018.

Read SEC document
May 16, 2025 Filed May 20, 2025 21:43 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 20,000 $48.54 $970,800.00
Disclosure

SEC source: 0001415889-25-013838 · form4-05202025_090538.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 422,454

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $48.54 to $48.60, inclusive. The Reporting Person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026 and (ii) 5,834 shares of restricted stock that vest on March 7, 2026.

Read SEC document
May 16, 2025 Filed May 20, 2025 21:43 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 20,000 $13.91 $278,200.00
Disclosure

SEC source: 0001415889-25-013838 · form4-05202025_090538.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 442,454

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026 and (ii) 5,834 shares of restricted stock that vest on March 7, 2026.

Read SEC document
March 11, 2025 Filed Mar 12, 2025 22:12 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 15,750 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-007897 · form4-03122025_100311.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 422,454

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 7, 2023. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 11, 2025, resulting in the immediate vesting of the restricted stock units as to 15,750 shares of Common Stock.

F2 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026 and (ii) 5,834 shares of restricted stock that vest on March 7, 2026.

Read SEC document
November 25, 2024 Filed Dec 16, 2024 23:33 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 7,700 $43.45 $334,565.00
Disclosure

SEC source: 0001415889-24-029509 · form4-12162024_111210.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 406,704

F1 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026, (ii) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026 and (iii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
November 22, 2024 Filed Dec 16, 2024 23:33 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 7,700 $42.34 $326,018.00
Disclosure

SEC source: 0001415889-24-029509 · form4-12162024_111210.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 414,404

F1 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026, (ii) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026 and (iii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
November 21, 2024 Filed Dec 16, 2024 23:33 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 7,700 $41.69 $321,013.00
Disclosure

SEC source: 0001415889-24-029509 · form4-12162024_111210.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 422,104

F1 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026, (ii) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026 and (iii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
August 19, 2024 Filed Aug 21, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 13,648 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-021838 · form4-08212024_090816.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 429,804

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on August 2, 2022. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee on July 30, 2024, resulting in the immediate vesting of the restricted stock units as to 13,648 shares of Common Stock.

F2 · balance_after: Includes (i) 2,248 shares of restricted stock that vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026, (ii) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026 and (iii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
June 12, 2024 Filed Jun 13, 2024 22:26 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 2,248 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-016734 · form4-06132024_100603.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 416,156

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 12, 2024, which vest in two substantially equal installments on each of June 12, 2025 and June 12, 2026.

F2 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026 and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 29, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 1,576 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · derivative · entry 6

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,576 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 29, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,576 $31.37 $49,439.12
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · nonDerivative · entry 4

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F3 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $31.19 to $31.51, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 29, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 1,576 $7.13 $11,236.88
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 415,484

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 28, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 18,245 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · derivative · entry 5

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,576

Underlying: Common Stock · 18,245 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 28, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 18,245 $32.06 $584,934.70
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $32.02 to $32.19, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 28, 2024 Filed May 30, 2024 21:33 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 18,245 $7.13 $130,086.85
Disclosure

SEC source: 0001415889-24-014904 · form4-05302024_090500.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 432,153

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 24, 2024 Filed May 28, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 397 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014697 · form4-05282024_090517.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,821

Underlying: Common Stock · 397 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 24, 2024 Filed May 28, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 397 $31.90 $12,664.30
Disclosure

SEC source: 0001415889-24-014697 · form4-05282024_090517.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 24, 2024 Filed May 28, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 397 $7.13 $2,830.61
Disclosure

SEC source: 0001415889-24-014697 · form4-05282024_090517.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 414,305

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 22, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 5,267 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · derivative · entry 6

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,218

Underlying: Common Stock · 5,267 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 22, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 5,267 $32.16 $169,386.72
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · nonDerivative · entry 4

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F3 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $32.16 to $32.20, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 22, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 5,267 $7.13 $37,553.71
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 419,175

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 21, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 2,742 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · derivative · entry 5

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,485

Underlying: Common Stock · 2,742 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 21, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 2,742 $32.12 $88,073.04
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $32.12 to $32.15, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 21, 2024 Filed May 23, 2024 21:31 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 2,742 $7.13 $19,550.46
Disclosure

SEC source: 0001415889-24-014326 · form4-05232024_090535.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 416,650

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 20, 2024 Filed May 21, 2024 22:30 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 14,426 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-014011 · form4-05212024_100518.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,227

Underlying: Common Stock · 14,426 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 20, 2024 Filed May 21, 2024 22:30 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 14,426 $32.06 $462,497.56
Disclosure

SEC source: 0001415889-24-014011 · form4-05212024_100518.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $32.05 to $32.22, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 20, 2024 Filed May 21, 2024 22:30 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 14,426 $7.13 $102,857.38
Disclosure

SEC source: 0001415889-24-014011 · form4-05212024_100518.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 428,334

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

Read SEC document
May 16, 2024 Filed May 20, 2024 21:35 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionStock Options (Right to Buy) · Derivative 7,347 $0.00 Strike: $7.13 $0.00
Disclosure

SEC source: 0001415889-24-013794 · form4-05202024_090524.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,653

Underlying: Common Stock · 7,347 shares

Expires 2024-06-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_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 June 6, 2015, June 6, 2016 and June 6, 2017.

Read SEC document
May 16, 2024 Filed May 20, 2024 21:35 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 7,347 $32.01 $235,177.47
Disclosure

SEC source: 0001415889-24-013794 · form4-05202024_090524.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $32.00 to $32.08, inclusive. The reporting person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., 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.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

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May 16, 2024 Filed May 20, 2024 21:35 UTC Willdan Group, Inc. WLDN · Entity 4758 Exercise / conversionCommon Stock 7,347 $7.13 $52,384.11
Disclosure

SEC source: 0001415889-24-013794 · form4-05202024_090524.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 421,255

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, and (ii) 6,250 shares of restricted stock that vest on March 9, 2025.

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March 20, 2024 Filed Apr 10, 2024 21:32 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 15,750 $0.00 $0.00
Disclosure

SEC source: 0001415889-24-010658 · form4-04102024_090400.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,908

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 7, 2023. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee on March 20, 2024, resulting in the immediate vesting of the restricted stock units as to 15,750 shares of Common Stock.

F2 · balance_after: Includes (i) 11,667 shares of restricted stock that vest in two substantially equal installments on each of March 7, 2025 and March 7, 2026, (ii) 6,250 shares of restricted stock that vest on March 9, 2025, and (iii) 538 shares of Common Stock purchased under the Amended and Restated Willdan Group, Inc. 2006 Employee Stock Purchase Plan on December 31, 2023.

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August 24, 2023 Filed Aug 28, 2023 22:14 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 126 $24.70 $3,112.20
Disclosure

SEC source: 0001415889-23-012720 · form4-08282023_100841.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 397,620

F1 · shares: Represents shares of Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of the performance-based restricted stock units on August 21, 2023.

F4 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $24.68 to $24.75, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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August 24, 2023 Filed Aug 28, 2023 22:14 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,937 $24.34 $47,146.58
Disclosure

SEC source: 0001415889-23-012720 · form4-08282023_100841.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 397,746

F1 · shares: Represents shares of Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of the performance-based restricted stock units on August 21, 2023.

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $23.67 to $24.65, 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 (2) and footnote (4).

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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August 23, 2023 Filed Aug 24, 2023 21:40 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,003 $23.81 $23,881.43
Disclosure

SEC source: 0001415889-23-012616 · form4-08242023_090816.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 399,683

F1 · shares: Represents shares of Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of the performance-based restricted stock units on August 21, 2023.

F5 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $23.65 to $24.15, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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August 23, 2023 Filed Aug 24, 2023 21:40 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,347 $23.29 $31,371.63
Disclosure

SEC source: 0001415889-23-012616 · form4-08242023_090816.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,686

F1 · shares: Represents shares of Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of the performance-based restricted stock units on August 21, 2023.

F4 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $22.65 to $23.64, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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August 22, 2023 Filed Aug 24, 2023 21:40 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 2,442 $22.82 $55,726.44
Disclosure

SEC source: 0001415889-23-012616 · form4-08242023_090816.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402,033

F1 · shares: Represents shares of Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of the performance-based restricted stock units on August 21, 2023.

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $22.60 to $23.09, 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 (2), footnote (4) and footnote (5).

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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August 21, 2023 Filed Aug 22, 2023 22:12 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 13,648 $0.00 $0.00
Disclosure

SEC source: 0001415889-23-012513 · form4-08222023_100807.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 404,475

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on August 2, 2022. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee on August 21, 2023, resulting in the immediate vesting of the restricted stock units as to 13,648 shares of Common Stock.

F2 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

F3 · balance_after: Includes 823 shares of Common Stock purchased under the Amended and Restated Willdan Group, Inc. 2006 Employee Stock Purchase Plan on June 30, 2023.

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March 13, 2023 Filed Mar 15, 2023 00:15 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 999 $16.77 $16,753.23
Disclosure

SEC source: 0001415889-23-004912 · form4-03152023_120322.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,004

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F4 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $16.54 to $17.04, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 13, 2023 Filed Mar 15, 2023 00:15 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,607 $16.15 $25,953.05
Disclosure

SEC source: 0001415889-23-004912 · form4-03152023_120322.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 391,003

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $15.53 to $16.52, 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 (2) and footnote (4).

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 10, 2023 Filed Mar 13, 2023 22:48 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 235 $16.96 $3,985.60
Disclosure

SEC source: 0001415889-23-004811 · form4-03132023_100311.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,610

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F5 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $16.60 to $17.00, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 10, 2023 Filed Mar 13, 2023 22:48 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,060 $15.78 $16,726.80
Disclosure

SEC source: 0001415889-23-004811 · form4-03132023_100311.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,845

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F4 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $15.56 to $16.53, inclusive.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 10, 2023 Filed Mar 13, 2023 22:48 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 1,194 $15.21 $18,160.74
Disclosure

SEC source: 0001415889-23-004811 · form4-03132023_100311.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 393,905

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $14.55 to $15.53, 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 (2), footnote (4) and footnote (5).

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 09, 2023 Filed Mar 10, 2023 23:09 UTC Willdan Group, Inc. WLDN · Entity 4758 Tax withholdingCommon Stock 3,147 $17.05 $53,656.35
Disclosure

SEC source: 0001415889-23-004690 · form4-03102023_110315.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 395,099

F4 · shares: Represents shares of the Issuer's Common Stock withheld for tax withholding purposes in connection with the vesting of restricted stock on March 9, 2023, which restricted stock was granted on March 9, 2021.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 09, 2023 Filed Mar 10, 2023 23:09 UTC Willdan Group, Inc. WLDN · Entity 4758 SaleCommon Stock 2,681 $17.03 $45,657.43
Disclosure

SEC source: 0001415889-23-004690 · form4-03102023_110315.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 398,246

F1 · shares: Represents shares of the Issuer's Common Stock sold in the open market, the proceeds of which were used to pay the tax withholding obligations incurred upon the vesting of restricted stock on March 8, 2023, which restricted stock was granted on March 8, 2022.

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $16.90 to $17.35 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 range set forth in this footnote.

F3 · balance_after: Includes (i) 17,500 shares of restricted stock that vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026 and (ii) 12,500 shares of restricted stock that vest in two substantially equal installments on each of March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 07, 2023 Filed Mar 8, 2023 23:36 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 17,500 $0.00 $0.00
Disclosure

SEC source: 0001415889-23-004532 · form4-03082023_110347.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400,927

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on March 7, 2023, which vest in three substantially equal installments on each of March 7, 2024, March 7, 2025 and March 7, 2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

F2 · balance_after: Includes18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

F3 · balance_after: Includes 238 shares of Common Stock purchased under the Amended and Restated Willdan Group, Inc. 2006 Employee Stock Purchase Plan on December 31, 2022.

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September 14, 2022 Filed Sep 15, 2022 21:49 UTC Willdan Group, Inc. WLDN · Entity 4758 Disposition to issuerCommon Stock 10,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001415889-22-009687 · form4-09152022_020905.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 383,189

F1 · price: On September 14, 2022, the Reporting Person and the Issuer mutually agreed to cancel 10,000 shares of restricted stock, which were previously awarded to the Reporting Person by the Issuer on March 8, 2022, and which were scheduled to vest in one installment on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through such date. The Reporting Person received a new grant of 4,000 performance-based restricted stock units as consideration for such cancellation. The cancellation of shares of restricted stock and subsequent new grant of performance-based restricted stock units were approved by the Compensation Committee of the Issuer's Board of Directors on September 14, 2022.

F2 · balance_after: Includes (i) 18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025 and (ii) 13,751 shares of restricted stock that vest on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

F3 · balance_after: Includes 533 shares of Common Stock purchased under the Amended and Restated Willdan Group, Inc. 2006 Employee Stock Purchase Plan on June 30, 2022.

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March 28, 2022 Filed Mar 30, 2022 21:36 UTC Willdan Group, Inc. WLDN · Entity 4758 Tax withholdingCommon Stock 4,507 $30.84 $138,995.88
Disclosure

SEC source: 0001415889-22-003483 · form4-03302022_020312.xml · nonDerivative · entry 4

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,656

F5 · shares: Represents shares of the Issuer's Common Stock withheld for tax withholding purposes in connection with the vesting of the performance-based restricted stock units referenced in footnote (3).

F2 · balance_after: Includes (i) 18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025 and (ii) 23,751 shares of restricted stock that vest on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 28, 2022 Filed Mar 30, 2022 21:36 UTC Willdan Group, Inc. WLDN · Entity 4758 Tax withholdingCommon Stock 4,638 $30.84 $143,035.92
Disclosure

SEC source: 0001415889-22-003483 · form4-03302022_020312.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 397,163

F4 · shares: Represents shares of the Issuer's Common Stock withheld for tax withholding purposes in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025 and (ii) 23,751 shares of restricted stock that vest on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 28, 2022 Filed Mar 30, 2022 21:36 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 8,950 $0.00 $0.00
Disclosure

SEC source: 0001415889-22-003483 · form4-03302022_020312.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 401,801

F3 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 2, 2020. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee on March 28, 2022, resulting in the immediate vesting of the restricted stock units as to 8,950 shares of Common Stock.

F2 · balance_after: Includes (i) 18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025 and (ii) 23,751 shares of restricted stock that vest on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 28, 2022 Filed Mar 30, 2022 21:36 UTC Willdan Group, Inc. WLDN · Entity 4758 GrantCommon Stock 9,208 $0.00 $0.00
Disclosure

SEC source: 0001415889-22-003483 · form4-03302022_020312.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director · CHIEF EXECUTIVE OFFICER · CHAIRMAN OF THE BOARD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,851

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 6, 2018. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee on March 28, 2022, resulting in the immediate vesting of the restricted stock units as to 9,208 shares of Common Stock.

F2 · balance_after: Includes (i) 18,750 shares of restricted stock that vest in three substantially equal installments on each of March 9, 2023, March 9, 2024 and March 9, 2025 and (ii) 23,751 shares of restricted stock that vest on March 8, 2023, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.