Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 13 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

13 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 7, 2013 MDU S 38,000 $26.35 $1,001,300 65,755 Direct -36.62% Disposed 85.7% (price as of 2026-10-02)
May 7, 2013 MDU S 20,900 $26.36 $550,924 44,855 Direct -31.78% Disposed 85.7% (price as of 2026-10-02)
May 7, 2013 MDU S 100 $26.37 $2,637 44,755 Direct -0.22% Disposed 85.6% (price as of 2026-10-02)
May 7, 2013 MDU S 5,000 $26.41 $132,050 39,755 Direct -11.17% Disposed 85.3% (price as of 2026-10-02)
May 7, 2013 MDU S 1,000 $26.41 $26,410 38,755 Direct -2.52% Disposed 85.3% (price as of 2026-10-02)
Nov. 30, 2012 MDU S 800 $20.62 $16,496 103,755 Direct -0.77% Disposed 137.4% (price as of 2026-10-02)
Nov. 30, 2012 MDU S 200 $20.63 $4,126 104,555 Direct -0.19% Disposed 137.2% (price as of 2026-10-02)
Nov. 30, 2012 MDU S 2,485 $20.61 $51,216 104,755 Direct -2.32% Disposed 137.5% (price as of 2026-10-02)
Nov. 30, 2012 MDU S 8,179 $20.60 $168,487 107,240 Direct -7.09% Disposed 137.6% (price as of 2026-10-02)
Nov. 5, 2010 MDU S 2 $20.38 $41 0 Indirect -100.00% Disposed 140.1% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 200 $27.01 $5,402 82,994 Direct -0.24% Disposed 81.2% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 3,200 $27.00 $86,400 83,194 Direct -3.70% Disposed 81.3% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 16,500 $26.99 $445,335 86,394 Direct -16.04% Disposed 81.3% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 4,500 $26.98 $121,410 102,894 Direct -4.19% Disposed 81.4% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 8,000 $26.97 $215,760 107,394 Direct -6.93% Disposed 81.5% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 3,600 $26.96 $97,056 115,394 Direct -3.03% Disposed 81.5% (price as of 2026-10-02)
Feb. 23, 2007 MDU S 1,200 $26.95 $32,340 118,994 Direct -1.00% Disposed 81.6% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 23, 2007 MDU Empl.Stock Opt.(Right to Buy) Common Stock (57,015) $13.22 Feb. 15, 2011 57,015 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 3 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
May 5, 2005 MDU Common Stock 32,968 Direct
May 5, 2005 MDU Common Stock-Restricted Stock 4,740 Indirect
May 5, 2005 MDU Empl.Stock Opt.(Right to Buy)→ Common Stock (38,010) 38,010 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MDU

President and CEO of Knife River Corporation
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2008 $447,400 · · · · $180,801 $8,976 $1,037,815
2007 $422,000 · · · $206,780 $450,347 $7,026 $1,469,344
2006 $392,000 · $248,217 $20,729 $392,000 $575,325 $6,876 $1,635,147

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.