WLDN insider transactions

PRESIDENT AND CEO Bieber Michael A exercised 56,676 shares at a strike of $19.78 and sold $5,190,212 worth of shares (56,676 units at $91.58) (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A exercised 9,991 shares at a strike of $16.27 and sold $925,666 worth of shares (9,991 units at $92.65) (SEC Form 4)

SEC Form 4 filed by Chen Micah

SEC Form 4 filed by Bieber Michael A

SEC Form 4 filed by Early Creighton K

SEC Form 4 filed by Chen Micah

SEC Form 4 filed by Bieber Michael A

SEC Form 4 filed by Early Creighton K

SEC Form 4 filed by Bieber Michael A

SEC Form 4 filed by Chen Micah

SEC Form 4 filed by Early Creighton K

EXECUTIVE VP & GENERAL COUNSEL Chen Micah was granted 4,158 shares and covered exercise/tax liability with 1,826 shares, increasing direct ownership by 5% to 49,221 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A was granted 17,326 shares and covered exercise/tax liability with 7,090 shares, increasing direct ownership by 4% to 245,231 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K was granted 4,158 shares and covered exercise/tax liability with 2,356 shares, increasing direct ownership by 2% to 78,693 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah covered exercise/tax liability with 1,738 shares and was granted 3,960 shares, increasing direct ownership by 5% to 46,889 units (SEC Form 4)

Director Brisbin Thomas Donald was granted 24,750 shares, increasing direct ownership by 35% to 95,446 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A was granted 18,810 shares and covered exercise/tax liability with 7,697 shares, increasing direct ownership by 5% to 234,995 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K was granted 3,960 shares and covered exercise/tax liability with 2,244 shares, increasing direct ownership by 2% to 76,891 units (SEC Form 4)

SEC Form 4 filed by Willdan Group Inc.

EXECUTIVE VP AND CFO Early Creighton K covered exercise/tax liability with 4,307 shares, decreasing direct ownership by 5% to 75,175 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah covered exercise/tax liability with 410 shares, decreasing direct ownership by 0.91% to 44,667 units (SEC Form 4)

SEC Form 4 filed by Willdan Group Inc.

EXECUTIVE VP AND CFO Early Creighton K was granted 5,625 shares, increasing direct ownership by 8% to 79,482 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah was granted 4,500 shares, increasing direct ownership by 11% to 45,077 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A was granted 18,000 shares, increasing direct ownership by 9% to 225,696 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah exercised 10,000 shares at a strike of $32.79 and sold $1,060,000 worth of shares (10,000 units at $106.00) (SEC Form 4)

Director Mcginn Dennis V sold $775,923 worth of shares (7,298 units at $106.32), decreasing direct ownership by 39% to 11,330 units (SEC Form 4)

Director Brisbin Thomas Donald exercised 5,182 shares at a strike of $16.27 and sold $612,253 worth of shares (5,182 units at $118.15) (SEC Form 4)

Director Brisbin Thomas Donald sold $12,784,497 worth of shares (117,595 units at $108.72), decreasing direct ownership by 62% to 70,696 units (SEC Form 4)

Director Brisbin Thomas Donald sold $13,052,879 worth of shares (125,000 units at $104.42), decreasing direct ownership by 40% to 188,291 units (SEC Form 4)

Director Brisbin Thomas Donald sold $771,527 worth of shares (7,405 units at $104.19), decreasing direct ownership by 2% to 313,291 units (SEC Form 4)

Director Brisbin Thomas Donald was granted 21,461 shares, exercised 5,082 shares at a strike of $16.27 and sold $14,268,935 worth of shares (130,082 units at $109.69), decreasing direct ownership by 24% to 320,696 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K was granted 2,732 shares and covered exercise/tax liability with 1,470 shares, increasing direct ownership by 2% to 73,681 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A was granted 12,963 shares and covered exercise/tax liability with 6,788 shares, increasing direct ownership by 3% to 207,542 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah was granted 2,732 shares and covered exercise/tax liability with 1,197 shares, increasing direct ownership by 4% to 40,423 units (SEC Form 4)

Director Downes Cynthia sold $302,355 worth of shares (2,763 units at $109.43), decreasing direct ownership by 24% to 8,909 units (SEC Form 4)

Director Reder Wanda Kay sold $101,541 worth of shares (850 units at $119.46), decreasing direct ownership by 7% to 10,676 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K exercised 7,764 shares at a strike of $9.08 and sold $904,817 worth of shares (7,764 units at $116.54) (SEC Form 4)

Director Cohen Steven A sold $290,850 worth of shares (2,500 units at $116.34), decreasing direct ownership by 9% to 26,849 units (SEC Form 4)

Director Brisbin Thomas Donald was granted 1,781 shares, increasing direct ownership by 0.42% to 424,235 units (SEC Form 4)

Director Mcginn Dennis V was granted 1,781 shares, increasing direct ownership by 11% to 18,628 units (SEC Form 4)

Director Reder Wanda Kay was granted 1,781 shares, increasing direct ownership by 18% to 11,526 units (SEC Form 4)

Director Downes Cynthia was granted 1,781 shares, increasing direct ownership by 18% to 11,672 units (SEC Form 4)

Director Cohen Steven A was granted 1,781 shares, increasing direct ownership by 6% to 29,349 units (SEC Form 4)

Director Shahidehpour Mohammad was granted 1,781 shares, increasing direct ownership by 14% to 14,548 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K exercised 5,000 shares at a strike of $9.08 and sold $266,400 worth of shares (5,000 units at $53.28) (SEC Form 4)

Director Brisbin Thomas Donald exercised 22,459 shares at a strike of $13.91 and sold $1,175,504 worth of shares (22,459 units at $52.34) (SEC Form 4)

Director Brisbin Thomas Donald sold $83,804 worth of shares (1,626 units at $51.54) and exercised 1,626 shares at a strike of $13.91 (SEC Form 4)

Director Brisbin Thomas Donald exercised 5,915 shares at a strike of $13.91 and sold $307,817 worth of shares (5,915 units at $52.04) (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah exercised 10,000 shares at a strike of $32.79 and sold $505,000 worth of shares (10,000 units at $50.50) (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah exercised 10,000 shares at a strike of $32.79 and sold $482,000 worth of shares (10,000 units at $48.20) (SEC Form 4)

Director Brisbin Thomas Donald exercised 20,000 shares at a strike of $13.91 and sold $970,800 worth of shares (20,000 units at $48.54) (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A exercised 25,000 shares at a strike of $13.91 and sold $1,202,750 worth of shares (25,000 units at $48.11) (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah was granted 3,780 shares and covered exercise/tax liability with 1,656 shares, increasing direct ownership by 6% to 38,502 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A was granted 15,750 shares and covered exercise/tax liability with 8,246 shares, increasing direct ownership by 4% to 200,981 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K was granted 3,780 shares and covered exercise/tax liability with 2,034 shares, increasing direct ownership by 2% to 72,071 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K covered exercise/tax liability with 753 shares, decreasing direct ownership by 1% to 70,325 units (SEC Form 4)

EXECUTIVE VP & GENERAL COUNSEL Chen Micah covered exercise/tax liability with 613 shares, decreasing direct ownership by 2% to 36,378 units (SEC Form 4)

PRESIDENT AND CEO Bieber Michael A covered exercise/tax liability with 3,054 shares, decreasing direct ownership by 2% to 193,477 units (SEC Form 4)

EXECUTIVE VP AND CFO Early Creighton K was granted 4,620 shares, increasing direct ownership by 7% to 71,078 units (SEC Form 4)