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Willdan Group, Inc.

WLDN Mostly scheduled

CIK 0001370450 #2362 in the set updated 21 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$12.48M

$0.00 on a plan · $11.99M straight out of an exercise

Sold at will

$490.92K

1 of 10 sales

Net

−$12.48M

−$490.92K against sales at will

By person

9 insiders · 11 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

BIEBER MICHAEL A

PRESIDENT AND CEO

—

$6.12M (5) scheduled

−$6.12M

249,525

1.64%

$20.19M

+43.0%

Brisbin Thomas Donald

Director

—

$5.87M (4) scheduled

−$5.87M

119,322

0.7834%

$9.65M

−72.2%

Cohen Steven A

Director

—

$490.92K (1)

−$490.92K

22,090

0.1450%

$1.79M

−19.9%

EARLY CREIGHTON K

EXECUTIVE VP AND CFO

—

78,664

0.5164%

$6.36M

+12.3%

CHEN MICAH

EXECUTIVE VP & GENERAL COUNSEL

—

50,050

0.3286%

$4.05M

+56.2%

Shahidehpour Mohammad

Director

—

15,789

0.1037%

$1.28M

+5.0%

McGinn Dennis V

Director

—

12,571

0.0825%

$1.02M

−25.4%

REDER WANDA KAY

Director

—

11,917

0.0782%

$964.20K

+22.3%

Downes Cynthia

Director

—

10,150

0.0666%

$821.24K

+2.6%

Individual transactions

Insider

Date

Role

Action

Price

Amount

Brisbin Thomas Donald

16 Sep 2026

Director

Exercised, kept

22,635

$16.27

$368.27K

Brisbin Thomas Donald

15 Sep 2026

Director

Sold after exercise

900

$80.91

$72.82K

Brisbin Thomas Donald

15 Sep 2026

Director

Sold after exercise

4,005

$79.01

$316.44K

Brisbin Thomas Donald

8 Sep 2026

Director

Sold after exercise

3,439

$88.19

$303.29K

Brisbin Thomas Donald

3 Sep 2026

Director

Sold after exercise

58,757

$88.14

$5.18M

BIEBER MICHAEL A

14 May 2026

PRESIDENT AND CEO

Sold after exercise

276

$93.74

$25.87K

BIEBER MICHAEL A

14 May 2026

PRESIDENT AND CEO

Sold after exercise

7,956

$92.65

$737.12K

BIEBER MICHAEL A

14 May 2026

PRESIDENT AND CEO

Sold after exercise

23,015

$91.95

$2.12M

BIEBER MICHAEL A

14 May 2026

PRESIDENT AND CEO

Sold after exercise

25,429

$90.88

$2.31M

BIEBER MICHAEL A

13 May 2026

PRESIDENT AND CEO

Sold after exercise

9,991

$92.65

$925.67K

Cohen Steven A

6 Mar 2026

Director

Sell

6,000

$81.82

$490.92K

What was left out

Form 4 filings counted 37

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 9

Sales at will 1

Transactions with no price 0

Shares from compensation/vesting 340,104

History held since 19 Sep 2016