CIK 0001370450 · Large accelerated filer
Willdan Group, Inc.
Sign in to watch- 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.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Sale | −25,429 | $90.88 | $2.3M | 280,772 |
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Sale | −23,015 | $91.95 | $2.1M | 257,757 |
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Sale | −7,956 | $92.65 | $737K | 249,801 |
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Sale | −276 | $93.74 | $26K | 249,525 |
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Option exercise · Stock Options (Right to Buy) | −40,009 | 0 | ||
| 2026-05-14 | BIEBER MICHAEL A PRESIDENT AND CEO | Option exercise · Stock Options (Right to Buy) | −16,667 | 0 | ||
| 2026-05-13 | BIEBER MICHAEL A PRESIDENT AND CEO | Option exercise | +9,991 | $16.27 | $163K | 259,516 |
| 2026-05-13 | BIEBER MICHAEL A PRESIDENT AND CEO | Sale | −9,991 | $92.65 | $926K | 249,525 |
| 2026-05-13 | BIEBER MICHAEL A PRESIDENT AND CEO | Option exercise · Stock Options (Right to Buy) | −9,991 | 40,009 | ||
| 2026-03-25 | CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Grant or award | +3,780 | 51,710 | ||
| 2026-03-25 | CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Shares withheld for taxes | −1,660 | $82.80 | $137K | 50,050 |
| 2026-03-25 | BIEBER MICHAEL A PRESIDENT AND CEO | Grant or award | +15,750 | 255,969 | ||
| 2026-03-25 | BIEBER MICHAEL A PRESIDENT AND CEO | Shares withheld for taxes | −6,444 | $82.80 | $534K | 249,525 |
| 2026-03-25 | EARLY CREIGHTON K EXECUTIVE VP AND CFO | Grant or award | +3,780 | 80,806 | ||
| 2026-03-25 | EARLY CREIGHTON K EXECUTIVE VP AND CFO | Shares withheld for taxes | −2,142 | $82.80 | $177K | 78,664 |
| 2026-03-20 | CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Shares withheld for taxes | −615 | $75.52 | $46K | 47,930 |
| 2026-03-20 | BIEBER MICHAEL A PRESIDENT AND CEO | Shares withheld for taxes | −2,387 | $75.52 | $180K | 240,219 |
| 2026-03-20 | EARLY CREIGHTON K EXECUTIVE VP AND CFO | Shares withheld for taxes | −794 | $75.52 | $60K | 77,026 |
| 2026-03-17 | CHEN MICAH EXECUTIVE VP & GENERAL COUNSEL | Shares withheld for taxes | −676 | $78.29 | $53K | 48,545 |
| 2026-03-17 | BIEBER MICHAEL A PRESIDENT AND CEO | Shares withheld for taxes | −2,625 | $78.29 | $206K | 242,606 |
Page 2 of 11 · 211 trades