SEC Form 4 · Updated Daily
MDU
— MDU RESOURCES GROUP, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Kivisto Nicole A | Director · Officer | 547,961.498 | 2026-02-18 | F |
| Vollmer Jason L | Officer | 324,976.397 | 2026-02-18 | F |
| JOHNSON DENNIS W | Director | 187,945 | 2025-11-13 | A |
| Jones Anne M | Officer | 118,017.238 | 2026-02-18 | F |
| Senger Garret | Officer | 100,048 | 2026-02-18 | F |
| Sievert Stephanie A | Officer | 90,503.051 | 2026-02-18 | F |
| Johnson Rob L. | Officer | 82,665 | 2026-02-18 | F |
| Dosch Vernon A. | Director | 18,834 | 2026-06-30 | A |
| ANDERSON DARREL T | Director | 17,594 | 2025-11-13 | A |
| Foti Anthony Donald | Officer | 16,634 | 2026-02-17 | A |
| Jaeger Douglas W. | Director | 12,726 | 2025-11-13 | A |
| DURKIN MARIAN M | Director | 11,676 | 2026-06-30 | A |
| KELLEY CHARLES M | Director | 8,031 | 2026-02-13 | P |
| Boese Dyke A. | Officer | 7,084 | 2026-02-17 | A |
| Miller Tammy J | Director | 6,031 | 2025-11-13 | A |
| Patel Priti Rashmikant | Director | 4,849 | 2025-11-13 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-06-30 | Dosch Vernon A. | Grant / award | 1,293 | $0.00 | 18,834 |
| 2026-06-30 | DURKIN MARIAN M | Grant / award | 152 | $0.00 | 11,676 |
| 2026-03-31 | Dosch Vernon A. | Grant / award | 1,334 | $0.00 | 17,464 |
| 2026-03-31 | DURKIN MARIAN M | Grant / award | 157 | $0.00 | 11,524 |
| 2026-02-18 | Johnson Rob L. | Tax withholding | 10,630 | $20.36 | 82,665 |
| 2026-02-18 | Jones Anne M | Tax withholding | 12,010 | $20.36 | 118,017.238 |
| 2026-02-18 | Kivisto Nicole A | Tax withholding | 35,668 | $20.36 | 547,961.498 |
| 2026-02-18 | Senger Garret | Tax withholding | 8,167 | $20.36 | 100,048 |
| 2026-02-18 | Sievert Stephanie A | Tax withholding | 10,438 | $20.36 | 90,503.051 |
| 2026-02-18 | Vollmer Jason L | Tax withholding | 36,766 | $20.36 | 324,976.397 |
| 2026-02-17 | Johnson Rob L. | Grant / award | 5,830 | $0.00 | 93,295 |
| 2026-02-17 | Jones Anne M | Grant / award | 5,523 | $0.00 | 130,027.238 |
| 2026-02-17 | Kivisto Nicole A | Grant / award | 45,037 | $0.00 | 583,629.498 |
| 2026-02-17 | Senger Garret | Grant / award | 6,920 | $0.00 | 108,215 |
| 2026-02-17 | Boese Dyke A. | Grant / award | 3,702 | $0.00 | 7,084 |
| 2026-02-17 | Sievert Stephanie A | Grant / award | 4,544 | $0.00 | 100,941.051 |
| 2026-02-17 | Foti Anthony Donald | Grant / award | 8,161 | $0.00 | 16,634 |
| 2026-02-17 | Vollmer Jason L | Grant / award | 15,229 | $0.00 | 361,742.397 |
| 2026-02-13 | KELLEY CHARLES M | Open-market buy | 5,000 | $20.84 | 8,031 |
| 2025-12-31 | Dosch Vernon A. | Grant / award | 1,394 | $0.00 | 16,130 |
| 2025-12-31 | DURKIN MARIAN M | Grant / award | 164 | $0.00 | 11,367 |
| 2025-11-13 | Dosch Vernon A. | Grant / award | 7,274 | $0.00 | 14,736 |
| 2025-11-13 | ANDERSON DARREL T | Grant / award | 8,082 | $0.00 | 17,594 |
| 2025-11-13 | Jaeger Douglas W. | Grant / award | 7,274 | $0.00 | 12,726 |
| 2025-11-13 | DURKIN MARIAN M | Grant / award | 7,274 | $0.00 | 11,203 |
| 2025-11-13 | JOHNSON DENNIS W | Grant / award | 7,779 | $0.00 | 187,945 |
| 2025-11-13 | KELLEY CHARLES M | Grant / award | 3,031 | $0.00 | 3,031 |
| 2025-11-13 | Miller Tammy J | Grant / award | 3,031 | $0.00 | 6,031 |
| 2025-11-13 | Patel Priti Rashmikant | Grant / award | 4,849 | $0.00 | 4,849 |
| 2025-09-30 | Dosch Vernon A. | Grant / award | 1,541 | $0.00 | 7,462 |
| 2025-09-30 | DURKIN MARIAN M | Grant / award | 182 | $0.00 | 3,929 |
| 2025-09-08 | Vollmer Jason L | Open-market buy | 5,000 | $16.07 | 344,548.197 |
| 2025-08-19 | Vollmer Jason L | Open-market buy | 5,000 | $16.27 | 339,548.197 |
| 2025-06-30 | DURKIN MARIAN M | Grant / award | 175 | $0.00 | 3,747 |
| 2025-06-30 | Dosch Vernon A. | Grant / award | 1,658 | $0.00 | 5,921 |
| 2025-05-15 | Boese Dyke A. | I | 7,748.653 | $16.99 | 17,274.417 |
| 2025-03-31 | Dosch Vernon A. | Grant / award | 1,650 | $0.00 | 4,263 |
| 2025-03-31 | DURKIN MARIAN M | Grant / award | 165 | $0.00 | 3,572 |
| 2025-02-12 | Jones Anne M | Tax withholding | 10,778 | $16.83 | 124,504.238 |
| 2025-02-12 | Jones Anne M | Grant / award | 6,026 | $0.00 | 135,282.238 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.