| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dosch Vernon A. | Director | 1200 WEST CENTURY AVENUE, BISMARCK | Anthony D. Foti, Attorney-in-Fact for Vernon A. Dosch | 2025-11-14 | 0002043675 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MDU | Common Stock | Award | $0 | +7.27K | +97.48% | $0.00 | 14.7K | Nov 13, 2025 | Direct |