According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Mdu Resources are Director Thomas S Everist (667.15K shares), Director David L Goodin (595.56K shares), President & Ceo Nicole A Kivisto (538.09K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Thomas S Everist | 667,152 | 22 Nov, 2022 | |
| David L Goodin | 595,558 | 16 Feb, 2024 | |
| Nicole A Kivisto | President & Ceo | 538,093 | 14 Feb, 2025 |
| Jason L Vollmer | Cfo | 344,548 | 09 Sep, 2025 |
| Jeffrey S Thiede | President & Ceo Mdu Csg | 269,169 | 16 Feb, 2024 |
| Dennis W Johnson | 187,945 | 14 Nov, 2025 | |
| Anne M Jones | Chiefhradmin&Safetyofficer | 135,128 | 14 Feb, 2025 |
| David C Barney | Ceo Knife River | 132,769 | 21 Feb, 2023 |
| Rob L. Johnson | President Wbi | 129,399 | 14 Feb, 2025 |
| Garret Senger | Chief Utilities Officer | 101,295 | 14 Feb, 2025 |
| Stephanie A Sievert | Chiefaccntg&Regaffairsofficer | 96,333 | 14 Feb, 2025 |
| Karen B Fagg | 92,828 | 22 Nov, 2022 | |
| Patricia L Moss | 92,212 | 22 Nov, 2022 | |
| Trevor J Hastings | President & Ceo Wbi Holdings | 76,360 | 01 Jun, 2023 |
| Margaret A Link | Vp And Cio | 74,387 | 16 Feb, 2024 |
| Karl A Liepitz | Vp And Gen Counsel & Secretary | 64,283 | 01 Jun, 2023 |
| Edward A Ryan | 44,727 | 17 Nov, 2023 | |
| David M Sparby | 43,463 | 17 Nov, 2023 | |
| Paul R. Sanderson | Vp And Clo & Secretary | 38,066 | 16 Feb, 2024 |
| Chenxi Wang | 33,691 | 19 Nov, 2024 | |
| Dyke A. Boese | Cio | 20,656 | 14 Feb, 2025 |
| Darrel T Anderson | 17,594 | 14 Nov, 2025 | |
| Dale Rosenthal | 16,499 | 13 Mar, 2024 | |
| Vernon A. Dosch | 16,130 | 02 Jan, 2026 | |
| Douglas W. Jaeger | 12,726 | 14 Nov, 2025 | |
| Marian M Durkin | 11,367 | 02 Jan, 2026 | |
| Anthony Donald Foti | Clo & Corporate Secretary | 8,473 | 14 Feb, 2025 |
| Charles M Kelley | 8,031 | 17 Feb, 2026 | |
| James H. Gemmel | 8,008 | 17 Nov, 2023 | |
| Tammy J Miller | 6,031 | 14 Nov, 2025 | |
| Priti Rashmikant Patel | 4,849 | 14 Nov, 2025 | |
| German Carmona-Alvarez | 816 | 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Feb, 2026 | Charles M Kelley | Common Stock | A | 5,000 | $20.84 | 8,031 | D | P |
| 31 Dec, 2025 | Marian M Durkin | Common Stock | A | 164 | $0.00 | 11,367 | D | A |
| 31 Dec, 2025 | Vernon A. Dosch | Common Stock | A | 1,394 | $0.00 | 16,130 | D | A |
| 13 Nov, 2025 | Dennis W Johnson | Common Stock | A | 7,779 | $0.00 | 187,945 | D | A |
| 13 Nov, 2025 | Darrel T Anderson | - | - | 17,594 | D | |||
| 13 Nov, 2025 | Darrel T Anderson | Common Stock | A | 8,082 | $0.00 | 17,594 | D | A |
| 13 Nov, 2025 | Marian M Durkin | Common Stock | A | 7,274 | $0.00 | 11,203 | D | A |
| 13 Nov, 2025 | Charles M Kelley | Common Stock | A | 3,031 | $0.00 | 3,031 | D | A |
| 13 Nov, 2025 | Douglas W. Jaeger | Common Stock | A | 7,274 | $0.00 | 12,726 | D | A |
| 13 Nov, 2025 | Vernon A. Dosch | Common Stock | A | 7,274 | $0.00 | 14,736 | D | A |
| 13 Nov, 2025 | Tammy J Miller | Common Stock | A | 3,031 | $0.00 | 6,031 | D | A |
| 13 Nov, 2025 | Priti Rashmikant Patel | Common Stock | A | 4,849 | $0.00 | 4,849 | D | A |
| 30 Sep, 2025 | Marian M Durkin | Common Stock | A | 182 | $0.00 | 3,929 | D | A |
| 30 Sep, 2025 | Vernon A. Dosch | Common Stock | A | 1,541 | $0.00 | 7,462 | D | A |
| 08 Sep, 2025 | Jason L Vollmer | Common Stock | A | 5,000 | $16.08 | 344,548 | D | P |
| 19 Aug, 2025 | Jason L Vollmer | Common Stock | A | 5,000 | $16.27 | 339,548 | D | P |
| 19 Aug, 2025 | Jason L Vollmer | - | - | 339,548 | D | |||
| 30 Jun, 2025 | Marian M Durkin | Common Stock | A | 175 | $0.00 | 3,747 | D | A |
| 30 Jun, 2025 | Vernon A. Dosch | Common Stock | A | 1,658 | $0.00 | 5,921 | D | A |
| 15 May, 2025 | Dyke A. Boese | - | - | 17,274 | I |