| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Petersen Jennifer Sue | VP, Member Relations | 600 EAST SECOND STREET, MUSCATINE | /s/ Steven M. Bradford as attorney-in-fact for Jennifer Petersen | 18 Feb 2026 | 0002035502 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HNI | Common Stock | Tax liability | $19,762 | -395 | -5.9% | $50.03 | 6,257 | 14 Feb 2026 | Direct | F1 |
| transaction | HNI | Common Stock | Tax liability | $20,312 | -406 | -6.5% | $50.03 | 5,851 | 15 Feb 2026 | Direct | F2 |
| holding | HNI | Common Stock | 1,683 | 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. |