SEC Form 4 · accession 0001395188-26-000008
Willdan Group, Inc. · WLDN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Thomas Donald Brisbin
Director
Period of report
Sep 8, 2026
Accepted (ET)
Sep 9, 2026 · 6:01 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001370450
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Sep 8, 2026 | M | 3,439 | $16.27 | A | 100,126 | D | |
| Common StockF2,F1 | Sep 8, 2026 | S | 3,439 | $88.19 | D | 96,687 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Options (Right to Buy)F3 | $16.27 | Sep 8, 2026 | M | 3,439 | D | Nov 3, 2017 | Nov 3, 2026 | Common Stock | 3,439 | 27,540 | D |
Explanation of responses
- F1Includes 1,241 shares of restricted stock that vest on June 17, 2027.
- F2The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $88.18 to $88.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 (2).
- F3Stock 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.