Mdu Resources's three largest insider shareholders as of March 23, 2026 are David L Goodin (Director, 595.56K shares), Thomas S Everist (Director, 556.53K shares), Nicole A Kivisto (President Ceo, 547.96K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David L Goodin | 595,558 | 0 | 16 Feb, 2024 | |
| Thomas S Everist | 0 | 556,526 | 15 Jun, 2021 | |
| Nicole A Kivisto | President Ceo | 547,962 | 0 | 19 Feb, 2026 |
| Jason L Vollmer | Cfo | 324,976 | 0 | 19 Feb, 2026 |
| Jeffrey S Thiede | President Ceo Mdu Csg | 269,169 | 0 | 16 Feb, 2024 |
| Dennis W Johnson | 187,945 | 0 | 14 Nov, 2025 | |
| David C Barney | Ceo Knife River | 132,769 | 0 | 21 Feb, 2023 |
| Anne M Jones | Chiefhrsafetyadminofficer | 118,017 | 0 | 19 Feb, 2026 |
| Thomas S Everist | 110,626 | 0 | 22 Nov, 2022 | |
| Garret Senger | Chief Utilities Officer | 100,048 | 0 | 19 Feb, 2026 |
| Karen B Fagg | 92,828 | 0 | 22 Nov, 2022 | |
| Patricia L Moss | 92,212 | 0 | 22 Nov, 2022 | |
| Stephanie A Sievert | Chiefaccntgregaffairsofficer | 90,503 | 0 | 19 Feb, 2026 |
| Rob L. Johnson | President Wbi | 82,665 | 0 | 19 Feb, 2026 |
| Trevor J Hastings | President Ceo Wbi Holdings | 76,360 | 0 | 01 Jun, 2023 |
| Margaret A Link | Vp And Cio | 74,387 | 0 | 16 Feb, 2024 |
| Karl A Liepitz | Vp, Gen Counsel Secretary | 64,283 | 0 | 01 Jun, 2023 |
| Edward A Ryan | 44,727 | 0 | 17 Nov, 2023 | |
| David M Sparby | 43,463 | 0 | 17 Nov, 2023 | |
| Rob L. Johnson | President Wbi Holdings | 0 | 41,934 | 08 May, 2024 |
| Stephanie A Barth | Vp, Cao Controller | 40,508 | 0 | 01 Jun, 2023 |
| Paul R. Sanderson | Vp, Clo Secretary | 38,066 | 0 | 16 Feb, 2024 |
| Chenxi Wang | 33,691 | 0 | 19 Nov, 2024 | |
| Darrel T Anderson | 17,594 | 0 | 14 Nov, 2025 | |
| Dyke A. Boese | Cio | 0 | 17,274 | 16 Jul, 2025 |
| Anthony Donald Foti | Clo Corporate Secretary | 16,634 | 0 | 19 Feb, 2026 |
| Dale Rosenthal | 16,499 | 0 | 13 Mar, 2024 | |
| Vernon A. Dosch | 16,130 | 0 | 02 Jan, 2026 | |
| Douglas W. Jaeger | 12,726 | 0 | 14 Nov, 2025 | |
| Marian M Durkin | 11,367 | 0 | 02 Jan, 2026 | |
| Anne M Jones | Vp Chro | 0 | 10,624 | 26 Feb, 2024 |
| Charles M Kelley | 8,031 | 0 | 17 Feb, 2026 | |
| James H. Gemmel | 8,008 | 0 | 17 Nov, 2023 | |
| Dyke A. Boese | Cio | 7,084 | 0 | 19 Feb, 2026 |
| Tammy J Miller | 6,031 | 0 | 14 Nov, 2025 | |
| Priti Rashmikant Patel | 4,849 | 0 | 14 Nov, 2025 | |
| German Carmona-Alvarez | 816 | 0 | 22 Nov, 2022 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | Garret Senger | Common Stock | A | 6,920 | $0.00 | 108,215 | D | A |
| 17 Feb, 2026 | Stephanie A Sievert | Common Stock | A | 4,544 | $0.00 | 100,941 | D | A |
| 17 Feb, 2026 | Anthony Donald Foti | Common Stock | A | 8,161 | $0.00 | 16,634 | D | A |
| 17 Feb, 2026 | Dyke A. Boese | Common Stock | A | 3,702 | $0.00 | 7,084 | D | A |
| 17 Feb, 2026 | Anne M Jones | Common Stock | A | 5,523 | $0.00 | 130,027 | D | A |
| 17 Feb, 2026 | Nicole A Kivisto | Common Stock | A | 45,037 | $0.00 | 583,630 | D | A |
| 17 Feb, 2026 | Jason L Vollmer | Common Stock | A | 15,229 | $0.00 | 361,742 | D | A |
| 17 Feb, 2026 | Rob L. Johnson | Common Stock | A | 5,830 | $0.00 | 93,295 | D | A |
| 18 Feb, 2026 | Stephanie A Sievert | Common Stock | D | 10,438 | $20.36 | 90,503 | D | F |
| 18 Feb, 2026 | Jason L Vollmer | Common Stock | D | 36,766 | $20.36 | 324,976 | D | F |
| 18 Feb, 2026 | Garret Senger | Common Stock | D | 8,167 | $20.36 | 100,048 | D | F |
| 18 Feb, 2026 | Nicole A Kivisto | Common Stock | D | 35,668 | $20.36 | 547,962 | D | F |
| 18 Feb, 2026 | Anne M Jones | Common Stock | D | 12,010 | $20.36 | 118,017 | D | F |
| 18 Feb, 2026 | Rob L. Johnson | Common Stock | D | 10,630 | $20.36 | 82,665 | D | F |
| 13 Feb, 2026 | Charles M Kelley | Common Stock | A | 5,000 | $20.85 | 8,031 | D | P |
| 31 Dec, 2025 | Vernon A. Dosch | Common Stock | A | 1,394 | $0.00 | 16,130 | D | A |
| 31 Dec, 2025 | Marian M Durkin | Common Stock | A | 164 | $0.00 | 11,367 | D | A |
| 13 Nov, 2025 | Priti Rashmikant Patel | Common Stock | A | 4,849 | $0.00 | 4,849 | D | A |
| 13 Nov, 2025 | Dennis W Johnson | Common Stock | A | 7,779 | $0.00 | 187,945 | D | A |
| 13 Nov, 2025 | Tammy J Miller | Common Stock | A | 3,031 | $0.00 | 6,031 | D | A |