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 |
|---|---|---|---|---|
| Goodin David L | Director | 642,907.82 | 2024-01-05 | D |
| Kivisto Nicole A | Director · Officer | 583,629.498 | 2026-02-17 | A |
| Vollmer Jason L | Officer | 361,742.397 | 2026-02-17 | A |
| Thiede Jeffrey S | Officer | 281,214.85 | 2024-02-15 | A |
| PEARCE HARRY J | Director | 246,740 | 2018-11-20 | A |
| JOHNSON DENNIS W | Director | 187,945 | 2025-11-13 | A |
| Barney David C | Officer | 141,490 | 2023-02-16 | A |
| WILSON JOHN K | Director | 138,808 | 2020-11-17 | A |
| WHITE MARTIN A | Director | 137,012.71 | 2006-02-16 | A |
| Jones Anne M | Officer | 130,027.238 | 2026-02-17 | A |
| EVERIST THOMAS S | Director | 110,626 | 2022-11-21 | A |
| Senger Garret | Officer | 108,215 | 2026-02-17 | A |
| OLSON JOHN L | Director | 104,736 | 2009-05-18 | A |
| Sievert Stephanie A | Officer | 100,941.051 | 2026-02-17 | A |
| Johnson Rob L. | Officer | 93,295 | 2026-02-17 | A |
| Fagg Karen B | Director | 92,827.65 | 2022-11-21 | A |
| MOSS PATRICIA L | Director | 92,212 | 2022-11-21 | A |
| Harp John G | Officer | 86,065 | 2010-02-11 | A |
| Link Margaret A | Officer | 78,474.99 | 2024-02-15 | A |
| Hastings Trevor J | Officer | 76,359.53 | 2023-05-31 | A |
| Schneider William E | Officer | 65,755 | 2013-05-07 | S |
| Holaday A Bart | Director | 65,002 | 2017-11-21 | A |
| Liepitz Karl A | Officer | 64,283 | 2023-05-31 | A |
| RAILE VERNON A | Officer | 54,301.99 | 2010-02-11 | A |
| NANCE ROBERT L | Reporting Owner | 46,502.51 | 2006-04-28 | A |
| Schwartz Doran N | Officer | 45,499 | 2017-02-16 | A |
| Ryan Edward A | Director | 44,727 | 2023-11-15 | A |
| SPARBY DAVID M | Director | 43,463 | 2023-11-15 | A |
| Sanderson Paul R. | Officer | 38,066 | 2024-02-15 | A |
| Bietz Steven L | Officer | 34,703.59 | 2014-02-19 | S |
| Wang Chenxi | Director | 33,691 | 2024-11-15 | A |
| HELLERSTEIN MARK A | Director | 33,207 | 2020-11-17 | A |
| CASTLEBERRY JOHN K | Officer | 32,973.46 | 2007-02-15 | A |
| Imsdahl Bruce T | Officer | 31,346 | 2008-02-14 | A |
| Gray Brian R. | Officer | 31,075.59 | 2023-03-01 | — |
| LEWIS RICHARD H | Director | 28,167 | 2012-11-19 | A |
| Knudson Thomas C | Director | 28,070 | 2013-11-20 | A |
| WELLS JAMES KENT | Officer | 27,743 | 2012-05-24 | P |
| Haider Dennis L | Officer | 26,735 | 2017-02-16 | A |
| Kuntz Daniel S | Officer | 26,638 | 2020-02-13 | A |
| MCCRACKEN WILLIAM E | Director | 24,000 | 2018-11-20 | A |
| Dosch Vernon A. | Director | 20,377.241 | 2026-09-30 | A |
| ANDERSON DARREL T | Director | 17,594 | 2025-11-13 | A |
| Stumpf John P | Officer | 17,314.63 | 2014-02-13 | A |
| Foti Anthony Donald | Officer | 16,634 | 2026-02-17 | A |
| Rosenthal Dale | Director | 16,499 | 2024-03-12 | P |
| NORLAND CYNTHIA J | Officer | 16,227 | 2016-02-11 | A |
| Jaeger Douglas W. | Director | 12,726 | 2025-11-13 | A |
| Del Vecchio Mark A | Officer | 12,561 | 2014-02-13 | A |
| DURKIN MARIAN M | Officer | 11,848 | 2026-09-30 | A |
| SANDNESS PAUL K | Officer | 10,390.94 | 2014-05-12 | S |
| REDDING CINDY C | Officer | 8,460 | 2007-02-15 | A |
| KELLEY CHARLES M | Director | 8,031 | 2026-02-13 | P |
| Gemmel James H. | Director | 8,008 | 2023-11-15 | A |
| Gatzemeier Paul | Officer | 7,986.85 | 2006-02-16 | A |
| Boese Dyke A. | Officer | 7,084 | 2026-02-17 | A |
| Connors William R | Officer | 6,200 | 2014-02-21 | S |
| WOOD ROBERT E | Officer | 6,189 | 2006-02-16 | A |
| Miller Tammy J | Director | 6,031 | 2025-11-13 | A |
| Patel Priti Rashmikant | Director | 4,849 | 2025-11-13 | A |
| Morehouse Kenneth Frank | Officer | 4,459 | 2014-05-12 | S |
| SPLICHAL DARYL A | Officer | 4,090.02 | 2006-02-16 | A |
| WELDER SISTER THOMAS | Director | 4,050 | 2009-05-18 | A |
| Ring Nathan W | Officer | 2,431.75 | 2014-05-07 | I |
| Moylan Daniel B | Officer | 2,318.37 | 2006-01-10 | — |
| Mahowald Douglass A | Officer | 1,165.37 | 2014-02-21 | S |
| Carmona-Alvarez German | Director | 816 | 2022-11-21 | A |
| HILDESTAD TERRY D | Officer | 0 | 2010-11-29 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-30 | Dosch Vernon A. | Grant / award | 1,462 | $0.00 | 20,377.241 |
| 2026-09-30 | DURKIN MARIAN M | Grant / award | 172 | $0.00 | 11,848 |
| 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 |
| 2025-08-12 | Miller Tammy J | — | — | — | 3,000 |
| 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 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.