| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Larson Barbara A | EVP, CFO & Treasurer | 2900 UNIVERSITY BLVD., AMES | /s/ Brandon E. Ziegler as attorney-in-fact for Barbara A. Larson | 22 Jan 2026 | 0001904150 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | WK | Class A Common Stock | 0 | 20 Jan 2026 | Direct |