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Nasdaq · USD

WLDN

Willdan Group, Inc.

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Tapewire entity
4758
SEC CIK
0001370450
Parsed reports
396

Last 12 months

Inside the activity.

0 purchase rows · 10 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202600
Feb 202600
Mar 202601
Apr 202600
May 202605
Jun 202600
Jul 202600
Aug 202600
Sep 202604
Oct 202600

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 16, 2026 Filed Sep 17, 2026 21:44 UTC Exercise / conversionStock Options (Right to Buy) · Derivative 22,635 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001395188-26-000012 · form4-09172026_090952.xml · derivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,635 shares

Expires 2026-11-03

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 November 3, 2017, November 3, 2018 and November 3, 2019.

Read SEC document
September 16, 2026 Filed Sep 17, 2026 21:44 UTC Exercise / conversionCommon Stock 22,635 $16.27 $368,271.45
Disclosure

SEC source: 0001395188-26-000012 · form4-09172026_090952.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,322

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

Read SEC document
September 15, 2026 Filed Sep 16, 2026 21:32 UTC Exercise / conversionStock Options (Right to Buy) · Derivative 4,905 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001395188-26-000010 · form4-09162026_090951.xml · derivative · entry 4

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,635

Underlying: Common Stock · 4,905 shares

Expires 2026-11-03

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 November 3, 2017, November 3, 2018 and November 3, 2019.

Read SEC document
September 15, 2026 Filed Sep 16, 2026 21:32 UTC SaleCommon Stock 900 $80.91 $72,819.00
Disclosure

SEC source: 0001395188-26-000010 · form4-09162026_090951.xml · nonDerivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,687

F3 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $80.67 to $80.94, inclusive.

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

Read SEC document
September 15, 2026 Filed Sep 16, 2026 21:32 UTC SaleCommon Stock 4,005 $79.01 $316,435.05
Disclosure

SEC source: 0001395188-26-000010 · form4-09162026_090951.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,587

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $79.00 to $79.19, 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 (3).

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

Read SEC document
September 15, 2026 Filed Sep 16, 2026 21:32 UTC Exercise / conversionCommon Stock 4,905 $16.27 $79,804.35
Disclosure

SEC source: 0001395188-26-000010 · form4-09162026_090951.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,592

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

Read SEC document
September 08, 2026 Filed Sep 9, 2026 22:01 UTC Exercise / conversionStock Options (Right to Buy) · Derivative 3,439 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001395188-26-000008 · form4-09092026_100957.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,540

Underlying: Common Stock · 3,439 shares

Expires 2026-11-03

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 November 3, 2017, November 3, 2018 and November 3, 2019.

Read SEC document
September 08, 2026 Filed Sep 9, 2026 22:01 UTC SaleCommon Stock 3,439 $88.19 $303,285.41
Disclosure

SEC source: 0001395188-26-000008 · form4-09092026_100957.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,687

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $88.18 to $88.25, 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).

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

Read SEC document
September 08, 2026 Filed Sep 9, 2026 22:01 UTC Exercise / conversionCommon Stock 3,439 $16.27 $55,952.53
Disclosure

SEC source: 0001395188-26-000008 · form4-09092026_100957.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,126

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

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:41 UTC Exercise / conversionStock Options (Right to Buy) · Derivative 58,727 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001395188-26-000006 · form4-09042026_090943.xml · derivative · entry 3

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,979

Underlying: Common Stock · 58,727 shares

Expires 2026-11-03

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 November 3, 2017, November 3, 2018 and November 3, 2019.

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:41 UTC SaleCommon Stock 58,757 $88.14 $5,178,841.98
Disclosure

SEC source: 0001395188-26-000006 · form4-09042026_090943.xml · nonDerivative · entry 2

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,687

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $88.05 to $88.49, 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).

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

Read SEC document
September 03, 2026 Filed Sep 4, 2026 21:41 UTC Exercise / conversionCommon Stock 58,757 $16.27 $955,976.39
Disclosure

SEC source: 0001395188-26-000006 · form4-09042026_090943.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,444

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

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:08 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001895686-26-000002 · form4-06182026_090623.xml · nonDerivative · entry 1

REDER WANDA KAY · CIK 0001895686 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,917

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:04 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001640413-26-000004 · form4-06182026_090640.xml · nonDerivative · entry 1

Cohen Steven A · CIK 0001640413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,090

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:11 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001640436-26-000002 · form4-06182026_090627.xml · nonDerivative · entry 1

Shahidehpour Mohammad · CIK 0001640436 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,789

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:10 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001518288-26-000002 · form4-06182026_090602.xml · nonDerivative · entry 1

Downes Cynthia · CIK 0001518288 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,150

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:06 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001701806-26-000003 · form4-06182026_090606.xml · nonDerivative · entry 1

McGinn Dennis V · CIK 0001701806 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,571

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
June 17, 2026 Filed Jun 18, 2026 21:03 UTC GrantCommon Stock 1,241 $0.00 $0.00
Disclosure

SEC source: 0001395188-26-000004 · form4-06182026_090658.xml · nonDerivative · entry 1

Brisbin Thomas Donald · CIK 0001395188 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,687

F1 · shares: Represents shares of restricted stock awarded to the Reporting Person by the Issuer on June 17, 2026, which vest on June 17, 2027.

F2 · balance_after: Includes 1,241 shares of restricted stock that vest on June 17, 2027.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionStock Options (Right to Buy) · Derivative 16,667 $0.00 Strike: $28.19 $0.00
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · derivative · entry 8

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,667 shares

Expires 2027-03-08

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.

F7 · 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 March 8, 2018, March 8, 2019, and March 8, 2020.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionStock Options (Right to Buy) · Derivative 40,009 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · derivative · entry 7

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 40,009 shares

Expires 2026-11-03

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.

F6 · 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 November 3, 2017, November 3, 2018, and November 3, 2019.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
SaleCommon Stock 276 $93.74 $25,872.24
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 6

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,525

F5 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $93.62 to $93.99, inclusive.

F1 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
SaleCommon Stock 7,956 $92.65 $737,123.40
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 5

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,801

F4 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $92.50 to $93.41, inclusive.

F1 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
SaleCommon Stock 23,015 $91.95 $2,116,229.25
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 4

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,757

F3 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $91.50 to $92.49, inclusive.

F1 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
SaleCommon Stock 25,429 $90.88 $2,310,987.52
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 3

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,772

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $90.50 to $91.46, 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 (2), footnote (3), footnote (4), and footnote (5).

F1 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionCommon Stock 16,667 $28.19 $469,842.73
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 2

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,201

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) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 14, 2026 Filed May 15, 2026 22:08 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionCommon Stock 40,009 $16.27 $650,946.43
Disclosure

SEC source: 0001270606-26-000017 · form4-05152026_100506.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 289,534

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) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 13, 2026 Filed May 14, 2026 21:56 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionStock Options (Right to Buy) · Derivative 9,991 $0.00 Strike: $16.27 $0.00
Disclosure

SEC source: 0001270606-26-000015 · form4-05142026_090556.xml · derivative · entry 3

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,009

Underlying: Common Stock · 50,000 shares

Expires 2026-11-03

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 November 3, 2017, November 3, 2018, and November 3, 2019.

Read SEC document
May 13, 2026 Filed May 14, 2026 21:56 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
SaleCommon Stock 9,991 $92.65 $925,666.15
Disclosure

SEC source: 0001270606-26-000015 · form4-05142026_090556.xml · nonDerivative · entry 2

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,525

F2 · price: The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $92.50 to $92.85, 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) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
May 13, 2026 Filed May 14, 2026 21:56 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Exercise / conversionCommon Stock 9,991 $16.27 $162,553.57
Disclosure

SEC source: 0001270606-26-000015 · form4-05142026_090556.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 259,516

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) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
March 25, 2026 Filed Mar 26, 2026 18:15 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
Tax withholdingCommon Stock 2,142 $82.80 $177,357.60
Disclosure

SEC source: 0000904702-26-000015 · form4-03262026_100322.xml · nonDerivative · entry 2

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,664

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 5,625 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Read SEC document
March 25, 2026 Filed Mar 26, 2026 18:15 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
GrantCommon Stock 3,780 $0.00 $0.00
Disclosure

SEC source: 0000904702-26-000015 · form4-03262026_100322.xml · nonDerivative · entry 1

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,806

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 20, 2024. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 25, 2026, resulting in the immediate vesting of the restricted stock units as to 3,780 shares of Common Stock.

F2 · balance_after: Includes (i) 5,625 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 25, 2026 Filed Mar 26, 2026 22:16 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Tax withholdingCommon Stock 6,444 $82.80 $533,563.20
Disclosure

SEC source: 0001270606-26-000013 · form4-03262026_100340.xml · nonDerivative · entry 2

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 249,525

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 25, 2026 Filed Mar 26, 2026 22:16 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
GrantCommon Stock 15,750 $0.00 $0.00
Disclosure

SEC source: 0001270606-26-000013 · form4-03262026_100340.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 255,969

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 20, 2024. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 25, 2026, resulting in the immediate vesting of the restricted stock units as to 15,750 shares of Common Stock.

F2 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 25, 2026 Filed Mar 26, 2026 22:17 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
Tax withholdingCommon Stock 1,660 $82.80 $137,448.00
Disclosure

SEC source: 0001733678-26-000013 · form4-03262026_100334.xml · nonDerivative · entry 2

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,050

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 25, 2026 Filed Mar 26, 2026 22:17 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
GrantCommon Stock 3,780 $0.00 $0.00
Disclosure

SEC source: 0001733678-26-000013 · form4-03262026_100334.xml · nonDerivative · entry 1

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,710

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 20, 2024. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 25, 2026, resulting in the immediate vesting of the restricted stock units as to 3,780 shares of Common Stock.

F2 · balance_after: 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 20, 2026 Filed Mar 23, 2026 17:30 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
Tax withholdingCommon Stock 794 $75.52 $59,962.88
Disclosure

SEC source: 0000904702-26-000013 · form4-03232026_090313.xml · nonDerivative · entry 1

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,026

F1 · shares: 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 20, 2026, which restricted stock was granted on March 20, 2024.

F2 · balance_after: Includes (i) 5,625 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 20, 2026 Filed Mar 23, 2026 21:31 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Tax withholdingCommon Stock 2,387 $75.52 $180,266.24
Disclosure

SEC source: 0001270606-26-000011 · form4-03232026_090328.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,219

F1 · shares: 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 20, 2026, which restricted stock was granted on March 20, 2024.

F2 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 20, 2026 Filed Mar 23, 2026 21:33 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
Tax withholdingCommon Stock 615 $75.52 $46,444.80
Disclosure

SEC source: 0001733678-26-000012 · form4-03232026_090300.xml · nonDerivative · entry 1

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,930

F1 · shares: 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 20, 2026, which restricted stock was granted on March 20, 2024.

F2 · balance_after: 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) 1,400 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

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March 17, 2026 Filed Mar 19, 2026 17:30 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
Tax withholdingCommon Stock 873 $78.29 $68,347.17
Disclosure

SEC source: 0000904702-26-000011 · form4-03192026_090317.xml · nonDerivative · entry 1

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,820

F1 · shares: 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.

F2 · balance_after: Includes (i) 5,625 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.

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March 17, 2026 Filed Mar 19, 2026 21:34 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Tax withholdingCommon Stock 2,625 $78.29 $205,511.25
Disclosure

SEC source: 0001270606-26-000010 · form4-03192026_090356.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,606

F1 · shares: 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.

F2 · balance_after: Includes (i) 18,000 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) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 11,667 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.

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March 17, 2026 Filed Mar 19, 2026 21:31 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
Tax withholdingCommon Stock 676 $78.29 $52,924.04
Disclosure

SEC source: 0001733678-26-000010 · form4-03192026_090337.xml · nonDerivative · entry 1

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,545

F1 · shares: 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.

F2 · balance_after: 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.

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March 16, 2026 Filed Mar 17, 2026 17:51 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
Tax withholdingCommon Stock 2,356 $78.61 $185,205.16
Disclosure

SEC source: 0000904702-26-000009 · form4-03172026_090309.xml · nonDerivative · entry 2

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,693

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 5,625 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) 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, 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.

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March 16, 2026 Filed Mar 17, 2026 17:51 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
GrantCommon Stock 4,158 $0.00 $0.00
Disclosure

SEC source: 0000904702-26-000009 · form4-03172026_090309.xml · nonDerivative · entry 1

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,049

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 17, 2025. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 16, 2026, resulting in the immediate vesting of the restricted stock units as to 4,158 shares of Common Stock.

F2 · balance_after: Includes (i) 5,625 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) 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, 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.

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March 16, 2026 Filed Mar 17, 2026 21:53 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Tax withholdingCommon Stock 7,090 $78.61 $557,344.90
Disclosure

SEC source: 0001270606-26-000008 · form4-03172026_090312.xml · nonDerivative · entry 2

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245,231

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 18,000 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) 19,250 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, and (iii) 11,667 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.

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March 16, 2026 Filed Mar 17, 2026 21:53 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
GrantCommon Stock 17,326 $0.00 $0.00
Disclosure

SEC source: 0001270606-26-000008 · form4-03172026_090312.xml · nonDerivative · entry 1

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,321

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 17, 2025. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 16, 2026, resulting in the immediate vesting of the restricted stock units as to 17,326 shares of Common Stock.

F2 · balance_after: Includes (i) 18,000 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) 19,250 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, and (iii) 11,667 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.

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March 16, 2026 Filed Mar 17, 2026 21:55 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
Tax withholdingCommon Stock 1,826 $78.61 $143,541.86
Disclosure

SEC source: 0001733678-26-000008 · form4-03172026_090302.xml · nonDerivative · entry 2

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,221

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: 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) 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, 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.

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March 16, 2026 Filed Mar 17, 2026 21:55 UTC
CHEN MICAHEXECUTIVE VP & GENERAL COUNSEL
GrantCommon Stock 4,158 $0.00 $0.00
Disclosure

SEC source: 0001733678-26-000008 · form4-03172026_090302.xml · nonDerivative · entry 1

CHEN MICAH · CIK 0001733678 · EXECUTIVE VP & GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,047

F1 · shares: Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on March 17, 2025. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on March 16, 2026, resulting in the immediate vesting of the restricted stock units as to 4,158 shares of Common Stock.

F2 · balance_after: 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) 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, 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.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 17:31 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
Tax withholdingCommon Stock 2,244 $83.98 $188,451.12
Disclosure

SEC source: 0000904702-26-000007 · form4-03122026_090305.xml · nonDerivative · entry 2

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,891

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 5,625 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) 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, 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.

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March 11, 2026 Filed Mar 12, 2026 17:31 UTC
EARLY CREIGHTON KEXECUTIVE VP AND CFO
GrantCommon Stock 3,960 $0.00 $0.00
Disclosure

SEC source: 0000904702-26-000007 · form4-03122026_090305.xml · nonDerivative · entry 1

EARLY CREIGHTON K · CIK 0000904702 · EXECUTIVE VP AND CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,135

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, 2026, resulting in the immediate vesting of the restricted stock units as to 3,960 shares of Common Stock.

F2 · balance_after: Includes (i) 5,625 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) 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, 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.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 21:33 UTC
BIEBER MICHAEL ADirector · PRESIDENT AND CEO
Tax withholdingCommon Stock 7,697 $83.98 $646,394.06
Disclosure

SEC source: 0001270606-26-000006 · form4-03122026_090314.xml · nonDerivative · entry 2

BIEBER MICHAEL A · CIK 0001270606 · Director · PRESIDENT AND CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,995

F3 · shares: Represents shares of the Issuer's Common Stock withheld to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units referenced in footnote (1).

F2 · balance_after: Includes (i) 18,000 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) 19,250 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, and (iii) 11,667 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.

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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.