InsiderTrades

Form 4 for WLDN Willdan Group, Inc.

Accepted 2026-09-17 17:44:01 ET · period of report 2026-09-16 · accession 0001395188-26-000012 · 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 2026-09-17 17:44 2026-09-16 WLDN Brisbin Thomas Donald Dir M - OptEx $16.27 +22.6K 119.3K +23% +$368.3K
D 2026-09-17 17:44 2026-09-16 WLDN Brisbin Thomas Donald Dir M - OptEx $0.00 -22.6K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-09-16 M A 22,635 $16.27 119,322 D — — (F1) Includes 1,241 shares of restricted stock that vest on June 17, 2027.
2 Derivative Stock Options (Right to Buy) 2026-09-16 M D 22,635 $0.00 0 D $16.27 · 2017-11-03 to 2026-11-03 22,635 Common Stock (F2) 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.