| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rao Radhakrishna S | Chief Info and Digital Officer | 600 E. 2ND STREET, MUSCATINE | /s/ Steven M. Bradford; by Power of Attorney | 18 Feb 2026 | 0001929555 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HNI | Common Stock | Tax liability | $26,316 | -526 | -2.8% | $50.03 | 18,156 | 14 Feb 2026 | Direct | F1 |
| transaction | HNI | Common Stock | Tax liability | $27,567 | -551 | -3% | $50.03 | 17,605 | 15 Feb 2026 | Direct | F2 |
| holding | HNI | Common Stock | 2,539 | 14 Feb 2026 | Profit-Sharing Retirement Plan |
| Id | Content |
|---|---|
| F1 | These shares were withheld by Issuer to cover taxes upon vesting of restricted stock units that vested on February 14, 2026. No shares were sold. |
| F2 | These shares were withheld by Issuer to cover taxes upon vesting of restricted stock units that vested on February 15, 2026. No shares were sold. |