| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Brisbin Thomas Donald | Director | 2401 EAST KATELLA AVENUE, SUITE 300, ANAHEIM | /s/ Creighton K. Early, Attorney-in-Fact for Thomas D. Brisbin | 20 Aug 2025 | 0001395188 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WLDN | Common Stock | Award | $0 | +21,461 | +5.1% | $0.000000 | 445,696 | 18 Aug 2025 | Direct | F1, F2 |
| transaction | WLDN | Common Stock | Options Exercise | $82,684 | +5,082 | +1.1% | $16.27 | 450,778 | 18 Aug 2025 | Direct | F2 |
| transaction | WLDN | Common Stock | Sale | $537,019 | -4,782 | -1.1% | $112.30 | 445,996 | 18 Aug 2025 | Direct | F2, F3 |
| transaction | WLDN | Common Stock | Sale | $33,903 | -300 | -0.07% | $113.01 | 445,696 | 18 Aug 2025 | Direct | F2, F4 |
| transaction | WLDN | Common Stock | Sale | $3,610,101 | -33,233 | -7.5% | $108.63 | 412,463 | 18 Aug 2025 | Direct | F2, F5 |
| transaction | WLDN | Common Stock | Sale | $6,384,762 | -58,303 | -14% | $109.51 | 354,160 | 18 Aug 2025 | Direct | F2, F6 |
| transaction | WLDN | Common Stock | Sale | $2,901,772 | -26,258 | -7.4% | $110.51 | 327,902 | 18 Aug 2025 | Direct | F2, F7 |
| transaction | WLDN | Common Stock | Sale | $801,379 | -7,206 | -2.2% | $111.21 | 320,696 | 18 Aug 2025 | Direct | F2, F8 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WLDN | Stock Options (Right to Buy) | Options Exercise | $0 | -5,082 | -5.1% | $0.000000 | 94,918 | 18 Aug 2025 | Common Stock | 5,082 | $16.27 | Direct | F9 |
| Id | Content |
|---|---|
| F1 | Represents performance-based restricted stock units previously granted to the Reporting Person by the Issuer on August 2, 2022. The performance conditions applicable to the award were determined to have been satisfied by the Issuer's Compensation Committee effective on August 18, 2025, resulting in the immediate vesting of the restricted stock units as to 21,461 shares of Common Stock. |
| F2 | Includes (i) 1,781 shares of restricted stock that vest on June 11, 2026, (ii) 1,124 shares of restricted stock that vest on June 12, 2026, and (iii) 5,834 shares of restricted stock that vest on March 7,2026, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date. |
| F3 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $112.00 to $112.73, 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 (3), footnote (4), footnote (5), footnote (6), footnote (7) and footnote (8). |
| F4 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at $113.01. |
| F5 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to $108.99, inclusive. |
| F6 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $109.00 to $109.99, inclusive. |
| F7 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $110.00 to $110.99, inclusive. |
| F8 | The price reported in Column 4 is the weighted average price. These shares were sold in multiple transactions at prices ranging from $111.00 to $111.44, inclusive. |
| F9 | 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. |