Form 4 for WLDN Willdan Group, Inc.
Accepted 2026-05-14 17:56:02 ET · period of report 2026-05-13 · accession 0001270606-26-000015 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-05-14 17:56 | 2026-05-13 | WLDN | BIEBER MICHAEL A | Pres AND CEO, Dir | M - OptEx | $16.27 | +9,991 | 259.5K | +4% | +$162.6K |
| D | 2026-05-14 17:56 | 2026-05-13 | WLDN | BIEBER MICHAEL A | Pres AND CEO, Dir | S - Sale+OE | $92.65 | -9,991 | 249.5K | -4% | -$925.7K |
| D | 2026-05-14 17:56 | 2026-05-13 | WLDN | BIEBER MICHAEL A | Pres AND CEO, Dir | M - OptEx | $0.00 | -9,991 | 40.0K | -20% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-13 | M | A | 9,991 | $16.27 | 259,516 | D | — | — | (F1) Includes (i) 18,000 shares of restricted stock units that vest in three substantially equal installments on each of March 3, 2027, March 3, 2028 and March 3, 2029, (ii) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date. |
| 2 | Common | Common Stock | 2026-05-13 | S | D | 9,991 | $92.65 | 249,525 | D | — | — | (F2) The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $92.50 to $92.85, inclusive. The Reporting Person undertakes to provide to Willdan Group, Inc., any security holder of Willdan Group, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. (F1) Includes (i) 18,000 shares of restricted stock units that vest in three substantially equal installments on each of March 3, 2027, March 3, 2028 and March 3, 2029, (ii) 12,834 shares of restricted stock units that vest in two substantially equal installments on each of March 17, 2027 and March 17, 2028, and (iii) 5,834 shares of restricted stock units that vest on March 20, 2027, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date. |
| 3 | Derivative | Stock Options (Right to Buy) | 2026-05-13 | M | D | 9,991 | $0.00 | 40,009 | D | $16.27 · 2017-11-03 to 2026-11-03 | 50,000 Common Stock | (F3) Stock options granted under the Willdan Group, Inc. Amended and Restated 2008 Performance Incentive Plan, which vested in three equal installments on each of November 3, 2017, November 3, 2018, and November 3, 2019. |