BIEBER MICHAEL A

PrivateCIK: 1270606
Location

ANAHEIM, CA

BIEBER MICHAEL A (PRESIDENT AND CEO) sold 18.5% of their position (56.68K shares) of WILLDAN GROUP, INC. on the open market

Open‑market sale worth $5.19M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderBIEBER MICHAEL ACIK 1270606
IssuerWILLDAN GROUP, INC.CIK 1370450
DirectorOfficer· PRESIDENT AND CEO
Since Mar 2026
-56.68K
Net shares
Net seller
$5.19M
Total sold
4
Open market trades
0B · 4S
8
Total transactions
56.68K acquired · 113.35K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+40.01K

Price / share

$16.27

Trade value

$650.95K

% of position

16.0%
5/14/2026
249.53K289.53K

Common Stock

Direct
M · Option Exercise

Shares

+16.67K

Price / share

$28.19

Trade value

$469.84K

% of position

5.8%
5/14/2026
289.53K306.20K

Common Stock

Direct
S · Sale

Shares

25.43K

Price / share

$90.88

Trade value

$2.31M

% of position

8.3%
5/14/2026
306.20K280.77K

Common Stock

Direct
S · Sale

Shares

23.02K

Price / share

$91.95

Trade value

$2.12M

% of position

8.2%
5/14/2026
280.77K257.76K

Common Stock

Direct
S · Sale

Shares

7.96K

Price / share

$92.65

Trade value

$737.12K

% of position

3.1%
5/14/2026
257.76K249.80K

Common Stock

Direct
S · Sale

Shares

276.00

Price / share

$93.74

Trade value

$25.87K

% of position

0.1%
5/14/2026
249.80K249.53K
Total

Net shares

+0.00

Net value

-$4.07M

Derivative Transactions2

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

40.01K shares

Shares

40.01K

Strike price

16.27

Held after

0.00

Exercisable

5/14/2026

Stock Options (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

16.67K shares

Shares

16.67K

Strike price

28.19

Held after

0.00

Exercisable

5/14/2026
BIEBER MICHAEL A — Insider Transaction (Form 4) Filed May 15, 2026 | Finecho