| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Iskow Julie | President & CEO, Director | 2900 UNIVERSITY BOULEVARD, AMES | /s/ Brandon E. Ziegler as attorney-in-fact for Julie Iskow | 03 Feb 2026 | 0001776078 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WK | Class A Common Stock | Tax liability | $1,806,889 | -23,460 | -6.5% | $77.02 | 336,547 | 01 Feb 2026 | Direct | F1 |
| transaction | WK | Class A Common Stock | Award | $9,800,029 | +128,038 | +38% | $76.54 | 464,585 | 02 Feb 2026 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. |
| F2 | Grant of restricted stock units pursuant to the 2014 Equity Incentive Plan. |
| F3 | Vests in three equal annual installments commencing on the first anniversary of the grant date. |