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Company profile

Mdu Resources Group Inc Insider Trading

MDU

Every SEC Form 4 insider trading filing for Mdu Resources Group Inc (MDU) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
CIK
0000067716
Filings
82
Insiders
27
Last filing
2026-06-30
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on June 30, 2026, when Marian M Durkin bought 152 shares. 82 filings from 27 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q3 23 to Q2 26. Mdu Resources Group Inc insiders are net sellers across the period shown.

PurchasesSales
Q3 23Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25$2.3MQ1 26Q2 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $2.3M.

90 day insight

Over the last 90 days, Mdu Resources Group Inc insiders bought $0 across 2 transactions with no open-market sales.

  • Most active insider: Marian M Durkin with 1 transaction totaling $0.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Jun 30, 2026Marian M DurkinMDU
Award
152——-3.7% 1m
Jun 30, 2026Vernon A. DoschMDU
Award
1,293——-3.7% 1m
Mar 31, 2026Vernon A. DoschMDU
Award
1,334——-1.5% 3m
Mar 31, 2026Marian M DurkinMDU
Award
157——-1.5% 3m
Feb 18, 2026Stephanie A BarthMDU
Tax Withholding
10,438$20.36$213K+0.9% 6m

45 more transactions hidden

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Top insiders

By total value filed.

Jason L VollmerVP & CFO4 filings−$1.1M
Nicole A KivistoPresident & CEO-Montana-Dakota2 filings−$1.2M
Anne M JonesVP & CHRO2 filings−$426K
Stephanie A BarthVP, CAO & Controller2 filings−$373K
Rob L. JohnsonPresident-WBI Holdings2 filings−$331K

Institutional Ownership

Top 13F-HR holders of Mdu Resources Group Inc as of 2026-06-30

↓ decreasing
Total reported AUM
$1.16B
QoQ change
-66.8%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$383.3M
18.1M shares
#2
State Street Corp
CIK 0000093751
$157.4M
7.4M shares
#3
BlackRock, Inc.
CIK 0002012383
$129.7M
6.1M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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