| 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 | 27 Feb 2026 | 0001929555 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HNI | Common Stock | Award | $0 | +6,942 | +32% | $0.000000 | 28,976 | 25 Feb 2026 | Direct | F1 |
| transaction | HNI | Common Stock | Tax liability | $147,261 | -2,937 | -10% | $50.14 | 26,039 | 25 Feb 2026 | Direct | F2 |
| holding | HNI | Common Stock | 2,539 | 25 Feb 2026 | Profit-Sharing Retirement Plan |
| Id | Content |
|---|---|
| F1 | Reflects shares of Common Stock of Issuer with respect to Performance Stock Units granted under Issuer's 2017 Stock-Based Compensation Plan on February 15, 2023. |
| F2 | These shares were withheld by Issuer to cover taxes upon vesting of Performance Stock Units that vested on February 25, 2026. No shares were sold. |