Quick Takeaways
- MDU - MDU RESOURCES GROUP INC has 34 insiders with reported activity on this page.
- Net insider value flow over the last year: +$265,975.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 34 Insiders of MDU RESOURCES GROUP INC
- Symbol
- MDU on NYSE
- Location
- Bismarck, ND
What Changed
- Buy value: $265,975; sell value: $0.
- Net share flow: +15,000.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$265,975.
Buys
$265,975
Shares: 15,000
Insiders: 2
Sells
$0
Shares: 0
Insiders: 0
Net
+$265,975
Shares: +15,000
Insiders: 2
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 5,000 | 0 | $104,225 | $0 | +$104,225 |
| 6-9 | 10,000 | 0 | $161,750 | $0 | +$161,750 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
MDU RESOURCES GROUP INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas S. Everist | Director | $13,703,077 | Mixed | 21 Nov 2022 | ||
| David L. Goodin | Director | $12,752,027 | Mixed | 05 Jan 2024 | ||
| Nicole A. Kivisto | President & CEO, Director | $11,476,403 | Mixed | 17 Feb 2026 | ||
| Jason L. Vollmer | Cfo | $6,783,492 | +$161,750 | +2.4% | Mixed | 17 Feb 2026 |
| Jeffrey S. Thiede | President & CEO MDU CSG | $5,792,931 | Mixed | 15 Feb 2024 | ||
| Dennis W. Johnson | Director | $3,350,208 | Mixed | 13 Nov 2025 | ||
| David C. Barney | CEO-Knife River | $2,699,607 | Mixed | 16 Feb 2023 | ||
| Anne M. Jones | ChiefHRSafety&AdminOfficer | $2,621,215 | Mixed | 17 Feb 2026 | ||
| Rob L. Johnson | President-WBI | $2,540,905 | Mixed | 17 Feb 2026 | ||
| Garret Senger | Chief Utilities Officer | $2,527,696 | Mixed | 17 Feb 2026 | ||
| Margaret A. Link | VP and CIO | $1,993,563 | Mixed | 15 Feb 2024 | ||
| Stephanie A. Sievert | ChiefAccntg&RegAffairsOfficer | $1,886,868 | Mixed | 17 Feb 2026 | ||
| Karen B. Fagg | Director | $1,738,662 | Mixed | 21 Nov 2022 | ||
| Patricia L. Moss | Director | $1,727,131 | Mixed | 21 Nov 2022 | ||
| David M. Sparby | Director | $1,707,699 | Mixed | 31 Oct 2024 | ||
| Trevor J. Hastings | President & CEO-WBI Holdings | $1,553,192 | Mixed | 31 May 2023 | ||
| Karl A. Liepitz | VP, Gen Counsel & Secretary | $1,351,905 | Mixed | 31 May 2023 | ||
| Brian R. Gray | President & CEO-Knife River | $1,136,302 | Mixed | 01 Mar 2023 | ||
| Edward A. Ryan | Director | $837,737 | Mixed | 15 Nov 2023 | ||
| Paul R. Sanderson | VP, CLO & Secretary | $793,676 | Mixed | 15 Feb 2024 | ||
| Chenxi Wang | Director | $759,732 | Mixed | 15 Nov 2024 | ||
| Dyke A. Boese | Cio | $489,438 | Mixed | 17 Feb 2026 | ||
| Dale Rosenthal | Director | $372,052 | Filing P/S | 12 Mar 2024 | ||
| Vernon A. Dosch | Director | $340,897 | Mixed | 31 Mar 2026 | ||
| Anthony D. Foti | CLO & Corporate Secretary | $324,695 | Mixed | 17 Feb 2026 | ||
| Darrel T. Anderson | Director | $313,349 | Mixed | 13 Nov 2025 | ||
| Douglas W. Jaeger | Director | $226,650 | Mixed | 13 Nov 2025 | ||
| Marian M. Durkin | Director | $224,948 | Mixed | 31 Mar 2026 | ||
| Charles M. Kelley | Director | $167,406 | +$104,225 | +165% | Filing P/S | 13 Feb 2026 |
| James H. Gemmel | Director | $149,990 | Mixed | 15 Nov 2023 | ||
| Tammy J. Miller | Director | $107,412 | Mixed | 13 Nov 2025 | ||
| Priti R. Patel | Director | $86,360 | Mixed | 13 Nov 2025 | ||
| German Carmona-Alvarez | Director | $15,284 | Mixed | 21 Nov 2022 | ||
| Michael della Rocca | Director | Mixed | 15 Aug 2024 |
Top shareholders of MDU RESOURCES GROUP INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
13%
|
26,226,381
|
$511,938,957 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
12%
|
23,828,483
|
$465,131,987 | — | 31 Dec 2025 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
|
Vanguard Portfolio Management |
6.1%
|
12,551,628
|
$260,069,732 | $0 | 31 Mar 2026 | |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC |
13D/G
13F
|
Company |
6%
|
12,894,945
|
$251,709,326 | $0 | 31 Dec 2025 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
5.3%
|
10,768,699
|
$223,127,443 | $0 | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
|
Company |
5%
|
10,285,747
|
$213,120,678 | $0 | 31 Mar 2026 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
4.9%
|
9,946,196
|
$194,149,746 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.5%
|
7,121,385
|
$139,990,530 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
3%
|
6,105,071
|
$119,170,987 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
2.6%
|
5,323,908
|
$103,922,688 | — | 31 Dec 2025 | |
| River Road Asset Management, LLC |
13F
|
Company |
2.3%
|
4,707,042
|
$91,881,460 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
2.2%
|
4,436,521
|
$86,600,889 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
2%
|
4,012,339
|
$78,320,907 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.7%
|
3,415,233
|
$66,686,741 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.5%
|
3,054,154
|
$59,617,086 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
1.5%
|
3,004,537
|
$58,649,000 | — | 31 Dec 2025 | |
| FRONTIER CAPITAL MANAGEMENT CO LLC |
13F
|
Company |
1.3%
|
2,615,969
|
$51,063,715 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.2%
|
2,441,941
|
$47,666,691 | — | 31 Dec 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
1.1%
|
2,300,369
|
$44,904,000 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
1.1%
|
2,207,523
|
$43,090,849 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.95%
|
1,943,151
|
$37,930,307 | — | 31 Dec 2025 | |
| WESTWOOD HOLDINGS GROUP INC |
13F
|
Company |
0.86%
|
1,752,574
|
$34,210,244 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.83%
|
1,704,631
|
$33,274,397 | — | 31 Dec 2025 | |
| US BANCORP \DE\ |
13F
|
Company |
0.83%
|
1,698,283
|
$33,150,486 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.78%
|
1,602,242
|
$31,836,548 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.79%
|
1,608,236
|
$31,393,241 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.76%
|
1,563,466
|
$30,518,857 | — | 31 Dec 2025 | |
| DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC |
13F
|
Company |
0.76%
|
1,555,852
|
$30,370,000 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.73%
|
1,490,023
|
$29,085,248 | — | 31 Dec 2025 | |
| Bragg Financial Advisors, Inc |
13F
|
Company |
0.7%
|
1,437,711
|
$28,064,119 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.69%
|
1,408,995
|
$27,503,582 | — | 31 Dec 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.59%
|
1,200,000
|
$23,424,000 | — | 31 Dec 2025 | |
| Yaupon Capital Management LP |
13F
|
Company |
0.59%
|
1,200,000
|
$23,424,000 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.58%
|
1,189,196
|
$23,213,100 | — | 31 Dec 2025 | |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.58%
|
1,177,200
|
$22,978,944 | — | 31 Dec 2025 | |
| Perpetual Ltd |
13F
|
Company |
0.55%
|
1,128,612
|
$22,030,506 | — | 31 Dec 2025 | |
| NATIXIS ADVISORS, LLC |
13F
|
Company |
0.55%
|
1,126,669
|
$21,993,000 | — | 31 Dec 2025 | |
| MANAGED ASSET PORTFOLIOS, LLC |
13F
|
Company |
0.52%
|
1,067,661
|
$20,840,749 | — | 31 Dec 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.47%
|
970,644
|
$18,946,971 | — | 31 Dec 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.44%
|
899,148
|
$17,551,369 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.43%
|
874,579
|
$17,071,782 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.4%
|
818,505
|
$15,977,216 | — | 31 Dec 2025 | |
| THRIVENT FINANCIAL FOR LUTHERANS |
13F
|
Company |
0.39%
|
797,596
|
$15,569,000 | — | 31 Dec 2025 | |
| PUBLIC SECTOR PENSION INVESTMENT BOARD |
13F
|
Company |
0.35%
|
707,199
|
$13,804,524 | — | 31 Dec 2025 | |
| Thomas S. Everist |
3/4/5
|
Director |
—
mixed-class rows
|
706,523
mixed-class rows
|
$13,703,077 | — | 21 Nov 2022 | |
| HITE Hedge Asset Management LLC |
13F
|
Company |
0.34%
|
690,000
|
$13,468,800 | — | 31 Dec 2025 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
0.33%
|
675,237
|
$13,180,626 | — | 31 Dec 2025 | |
| David L. Goodin |
3/4/5
|
Director |
—
mixed-class rows
|
611,600
mixed-class rows
|
$12,752,027 | — | 05 Jan 2024 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.3%
|
619,235
|
$12,087,467 | — | 31 Dec 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
0.29%
|
596,653
|
$11,646,667 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for MDU RESOURCES GROUP INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Marian M. Durkin | MDU | Common Stock | Award | 1.38% | 157 | 11,524 | 31 Mar 2026 | Direct | ||
| Vernon A. Dosch | MDU | Common Stock | Award | 8.27% | 1,334 | 17,464 | 31 Mar 2026 | Direct | ||
| Jason L. Vollmer | MDU | Common Stock | Tax liability | -10.2% | -36,766 | 324,976 | 18 Feb 2026 | Direct | ||
| Stephanie A. Sievert | MDU | Common Stock | Tax liability | -10.3% | -10,438 | 90,503 | 18 Feb 2026 | Direct | ||
| Garret Senger | MDU | Common Stock | Tax liability | -7.55% | -8,167 | 100,048 | 18 Feb 2026 | Direct | ||
| Nicole A. Kivisto | MDU | Common Stock | Tax liability | -6.11% | -35,668 | 547,962 | 18 Feb 2026 | Direct | ||
| Anne M. Jones | MDU | Common Stock | Tax liability | -9.24% | -12,010 | 118,017 | 18 Feb 2026 | Direct | ||
| Rob L. Johnson | MDU | Common Stock | Tax liability | -11.4% | -10,630 | 82,665 | 18 Feb 2026 | Direct | ||
| Jason L. Vollmer | MDU | Common Stock | Award | 4.39% | 15,229 | 361,742 | 17 Feb 2026 | Direct | ||
| Anthony D. Foti | MDU | Common Stock | Award | 96.3% | 8,161 | 16,634 | 17 Feb 2026 | Direct | ||
| Stephanie A. Sievert | MDU | Common Stock | Award | 4.71% | 4,544 | 100,941 | 17 Feb 2026 | Direct | ||
| Dyke A. Boese | MDU | Common Stock | Award | 109.5% | 3,702 | 7,084 | 17 Feb 2026 | Direct | ||
| Garret Senger | MDU | Common Stock | Award | 6.83% | 6,920 | 108,215 | 17 Feb 2026 | Direct | ||
| Nicole A. Kivisto | MDU | Common Stock | Award | 8.36% | 45,037 | 583,630 | 17 Feb 2026 | Direct | ||
| Anne M. Jones | MDU | Common Stock | Award | 4.44% | 5,523 | 130,027 | 17 Feb 2026 | Direct | ||
| Rob L. Johnson | MDU | Common Stock | Award | 6.67% | 5,830 | 93,295 | 17 Feb 2026 | Direct | ||
| Charles M. Kelley | MDU | Common Stock | Purchase | 165% | $104,225 | $20.84 | 5,000 | 8,031 | 13 Feb 2026 | Direct |
| Marian M. Durkin | MDU | Common Stock | Award | 1.46% | 164 | 11,367 | 31 Dec 2025 | Direct | ||
| Vernon A. Dosch | MDU | Common Stock | Award | 9.46% | 1,394 | 16,130 | 31 Dec 2025 | Direct | ||
| Priti R. Patel | MDU | Common Stock | Award | 4,849 | 4,849 | 13 Nov 2025 | Direct | |||
| Tammy J. Miller | MDU | Common Stock | Award | 101% | 3,031 | 6,031 | 13 Nov 2025 | Direct | ||
| Vernon A. Dosch | MDU | Common Stock | Award | 97.5% | 7,274 | 14,736 | 13 Nov 2025 | Direct | ||
| Douglas W. Jaeger | MDU | Common Stock | Award | 133.4% | 7,274 | 12,726 | 13 Nov 2025 | Direct | ||
| Charles M. Kelley | MDU | Common Stock | Award | 3,031 | 3,031 | 13 Nov 2025 | Direct | |||
| Marian M. Durkin | MDU | Common Stock | Award | 185.1% | 7,274 | 11,203 | 13 Nov 2025 | Direct | ||
| Darrel T. Anderson | MDU | Common Stock | Award | 85% | 8,082 | 17,594 | 13 Nov 2025 | Direct | ||
| Dennis W. Johnson | MDU | Common Stock | Award | 4.32% | 7,779 | 187,945 | 13 Nov 2025 | Direct | ||
| Marian M. Durkin | MDU | Common Stock | Award | 4.86% | 182 | 3,929 | 30 Sep 2025 | Direct | ||
| Vernon A. Dosch | MDU | Common Stock | Award | 26% | 1,541 | 7,462 | 30 Sep 2025 | Direct | ||
| Jason L. Vollmer | MDU | Common Stock | Purchase | 1.47% | $80,375 | $16.08 | 5,000 | 344,548 | 08 Sep 2025 | Direct |
| Jason L. Vollmer | MDU | Common Stock | Purchase | 1.49% | $81,375 | $16.28 | 5,000 | 339,548 | 19 Aug 2025 | Direct |
| Vernon A. Dosch | MDU | Common Stock | Award | 38.9% | 1,658 | 5,921 | 30 Jun 2025 | Direct | ||
| Marian M. Durkin | MDU | Common Stock | Award | 4.9% | 175 | 3,747 | 30 Jun 2025 | Direct | ||
| Dyke A. Boese | MDU | Common Stock - 401(k) | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 81.3% | 7,749 | 17,274 | 15 May 2025 | By Trustee |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.