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CIK 0001370450 · Large accelerated filer

Willdan Group, Inc.

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Ticker
WLDN
Exchange
Nasdaq
Industry
Services-Engineering Services
FY end
Jan 1
Incorporated
DE
Entity type
operating
EIN
141951112
Phone
800-424-9144
Business address
2401 EAST KATELLA AVENUE, SUITE 300, ANAHEIM, CA, 92806
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$5,871,381
in 3 filings

Net −$5,871,381. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Brisbin Thomas Donald −$5.9M Director sold 41% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-08-21 Brisbin Thomas Donald Director Sale −100 $106.34 $11K 188,291
2025-08-20 Brisbin Thomas Donald Director Sale −7,405 $104.19 $772K 313,291
2025-08-18 Brisbin Thomas Donald Director Grant or award +21,461 445,696
2025-08-18 Brisbin Thomas Donald Director Option exercise +5,082 $16.27 $83K 450,778
2025-08-18 Brisbin Thomas Donald Director Sale −4,782 $112.30 $537K 445,996
2025-08-18 Brisbin Thomas Donald Director Sale −300 $113.01 $34K 445,696
2025-08-18 Brisbin Thomas Donald Director Sale −33,233 $108.63 $3.6M 412,463
2025-08-18 Brisbin Thomas Donald Director Sale −58,303 $109.51 $6.4M 354,160
2025-08-18 Brisbin Thomas Donald Director Sale −26,258 $110.51 $2.9M 327,902
2025-08-18 Brisbin Thomas Donald Director Sale −7,206 $111.21 $801K 320,696
2025-08-18 Brisbin Thomas Donald Director Option exercise · Stock Options (Right to Buy) −5,082 94,918
2025-08-18 EARLY CREIGHTON K EXECUTIVE VP AND CFO Grant or award +2,732 75,151
2025-08-18 EARLY CREIGHTON K EXECUTIVE VP AND CFO Shares withheld for taxes −1,470 $109.53 $161K 73,681
2025-08-18 BIEBER MICHAEL A PRESIDENT AND CEO Grant or award +12,963 214,330
2025-08-18 BIEBER MICHAEL A PRESIDENT AND CEO Shares withheld for taxes −6,788 $109.53 $743K 207,542
2025-08-18 CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL Grant or award +2,732 41,620
2025-08-18 CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL Shares withheld for taxes −1,197 $109.53 $131K 40,423
2025-08-15 Downes Cynthia Director Sale −2,763 $109.43 $302K 8,909
2025-08-14 REDER WANDA KAY Director Sale −850 $119.46 $102K 10,676
2025-08-13 EARLY CREIGHTON K EXECUTIVE VP AND CFO Option exercise +7,764 $9.08 $70K 79,835

Page 5 of 11 · 211 trades