| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HARRISON SHANE R | EVP & Chief Financial Officer | 1245 Q STREET, LINCOLN | /s/ Shane R. Harrison, by Cody Kofoid, attorney-in-fact, pursuant to a POA previously filed with the SEC | 26 Jan 2026 | 0001640089 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NRC | Common Stock | Tax liability | $396,917 | -21,271 | -12% | $18.66 | 150,729 | 29 Dec 2025 | Direct |