| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ziegler Brandon | EVP, CLO, CAO & Corp Secretary | 2900 UNIVERSITY BLVD., AMES | /s/ Brandon E. Ziegler | 04 Feb 2026 | 0001809344 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WK | Class A Common Stock | Tax liability | $326,232 | -4,531 | -3.5% | $72.00 | 124,273 | 03 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares delivered to the issuer for the payment of withholding taxes due upon the vesting of restricted stock units previously granted. |