| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ROBERTS DAVID MARTIN | Director | 600 EAST SECOND STREET, MUSCATINE | /s/ Steven M. Bradford, By Power or Attorney | 10 Nov 2025 | 0001756325 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HNI | Common Stock | Award | $10,462 | +263 | +4.2% | $39.78 | 6,485 | 06 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | These shares were acquired under the Corporation's 2017 Plan for Non-Employee Directors in lieu of quarterly board retainer fees of $10,462.14. |