| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Boese Dyke A. | CIO | 1200 WEST CENTURY AVENUE, BISMARCK | Anthony D. Foti, Attorney-in-Fact for Dyke Boese | 16 Jul 2025 | 0002048128 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MDU | Common Stock - 401(k) | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | $131,650 | +7,749 | +81% | $16.99 | 17,274 | 15 May 2025 | By Trustee | F1 |
| holding | MDU | Common Stock | 3,382 | 15 May 2025 | Direct | ||||||
| holding | MDU | Common Stock | 211 | 15 May 2025 | By Child | F2 |
| Id | Content |
|---|---|
| F1 | The reporting person's 401(k) was inadvertently rebalanced on May 15, 2025, resulting in the inadvertent purchase of additional shares of the issuer's common stock on May 15, 2025. |
| F2 | These shares are held in the name of the reporting person's child. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest. |