Richard H Lewis

Insider

First SEC filing: Oct. 1, 2008 · Latest: Oct. 1, 2008

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

MDU selling Aug. 30, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 36 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

36 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 29, 2013	MDU	A	329	$24.72	$8,133	18,515 Direct	+1.81%	Acquired	116.1% (price as of 2026-08-21)
Dec. 31, 2012	MDU	A	502	$21.02	$10,552	18,186 Direct	+2.84%	Acquired	154.2% (price as of 2026-08-21)
Nov. 19, 2012	MDU	A	5,467	$20.12	$109,996	28,167 Direct	+24.08%	Acquired	165.5% (price as of 2026-08-21)
Sept. 28, 2012	MDU	A	468	$22.18	$10,380	17,684 Direct	+2.72%	Acquired	140.9% (price as of 2026-08-21)
Aug. 30, 2012	MDU	S	3,000	$21.68	$65,040	22,700 Direct	-11.67%	Disposed	146.4% (price as of 2026-08-21)
June 29, 2012	MDU	A	484	$21.30	$10,309	17,216 Direct	+2.89%	Acquired	150.8% (price as of 2026-08-21)
March 30, 2012	MDU	A	457	$22.40	$10,237	16,732 Direct	+2.81%	Acquired	138.5% (price as of 2026-08-21)
Dec. 31, 2011	MDU	A	758	—	—	16,276 Direct	+4.88%	Acquired	(price as of 2026-08-21)
Nov. 21, 2011	MDU	A	5,450	$20.18	$109,981	25,700 Direct	+26.91%	Acquired	164.7% (price as of 2026-08-21)
Sept. 30, 2011	MDU	A	826	—	—	15,518 Direct	+5.62%	Acquired	(price as of 2026-08-21)
June 30, 2011	MDU	A	717	—	—	14,692 Direct	+5.13%	Acquired	(price as of 2026-08-21)
March 31, 2011	MDU	A	701	—	—	13,975 Direct	+5.28%	Acquired	(price as of 2026-08-21)
Dec. 31, 2010	MDU	A	781	—	—	13,274 Direct	+6.25%	Acquired	(price as of 2026-08-21)
Sept. 30, 2010	MDU	A	792	—	—	12,493 Direct	+6.77%	Acquired	(price as of 2026-08-21)
June 30, 2010	MDU	A	848	—	—	11,701 Direct	+7.81%	Acquired	(price as of 2026-08-21)
May 17, 2010	MDU	A	4,050	$19.52	$79,056	20,250 Direct	+25.00%	Acquired	173.7% (price as of 2026-08-21)
March 31, 2010	MDU	A	701	—	—	10,854 Direct	+6.90%	Acquired	(price as of 2026-08-21)
Dec. 31, 2009	MDU	A	633	—	—	10,152 Direct	+6.65%	Acquired	(price as of 2026-08-21)
Sept. 30, 2009	MDU	A	730	—	—	9,519 Direct	+8.31%	Acquired	(price as of 2026-08-21)
June 30, 2009	MDU	A	817	—	—	8,790 Direct	+10.25%	Acquired	(price as of 2026-08-21)
May 18, 2009	MDU	A	4,050	$17.15	$69,458	16,200 Direct	+33.33%	Acquired	211.5% (price as of 2026-08-21)
March 31, 2009	MDU	A	922	—	—	7,973 Direct	+13.08%	Acquired	(price as of 2026-08-21)
Dec. 31, 2008	MDU	A	764	—	—	7,051 Direct	+12.15%	Acquired	(price as of 2026-08-21)
Sept. 30, 2008	MDU	A	528	—	—	6,287 Direct	+9.17%	Acquired	(price as of 2026-08-21)
June 30, 2008	MDU	A	482	—	—	5,759 Direct	+9.13%	Acquired	(price as of 2026-08-21)
April 28, 2008	MDU	A	4,050	$28.52	$115,506	12,150 Direct	+50.00%	Acquired	87.3% (price as of 2026-08-21)
March 31, 2008	MDU	A	577	—	—	5,277 Direct	+12.28%	Acquired	(price as of 2026-08-21)
Dec. 31, 2007	MDU	A	560	—	—	4,700 Direct	+13.53%	Acquired	(price as of 2026-08-21)
Sept. 28, 2007	MDU	A	611	—	—	4,140 Direct	+17.31%	Acquired	(price as of 2026-08-21)
June 29, 2007	MDU	A	544	—	—	3,529 Direct	+18.22%	Acquired	(price as of 2026-08-21)
April 27, 2007	MDU	A	4,050	$31.07	$125,834	8,100 Direct	+100.00%	Acquired	72.0% (price as of 2026-08-21)
March 30, 2007	MDU	A	481	—	—	2,985 Direct	+19.21%	Acquired	(price as of 2026-08-21)
Dec. 29, 2006	MDU	A	591	—	—	2,504 Direct	+30.89%	Acquired	(price as of 2026-08-21)
Sept. 29, 2006	MDU	A	667	—	—	1,913 Direct	+53.53%	Acquired	(price as of 2026-08-21)
June 30, 2006	MDU	A	457	—	—	831 Direct	+122.19%	Acquired	(price as of 2026-08-21)
April 28, 2006	MDU	A	2,700	$37.11	$100,197	2,700 Direct	—	Acquired	116.0% (price as of 2026-08-21)
March 31, 2006	MDU	A	374	—	—	374 Direct	—	Acquired	(price as of 2026-08-21)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 29, 2013	MDU	Phantom Stock	Common Stock (329)	—	—	329	Acquired
Dec. 31, 2012	MDU	Phantom Stock	Common Stock (502)	—	—	502	Acquired
Sept. 28, 2012	MDU	Phantom Stock	Common Stock (468)	—	—	468	Acquired
June 29, 2012	MDU	Phantom Stock	Common Stock (484)	—	—	484	Acquired
March 30, 2012	MDU	Phantom Stock	Common Stock (457)	—	—	457	Acquired
Dec. 31, 2011	MDU	Phantom Stock	Common Stock (758)	—	—	758	Acquired
Sept. 30, 2011	MDU	Phantom Stock	Common Stock (826)	—	—	826	Acquired
June 30, 2011	MDU	Phantom Stock	Common Stock (717)	—	—	717	Acquired
March 31, 2011	MDU	Phantom Stock	Common Stock (701)	—	—	701	Acquired
Dec. 31, 2010	MDU	Phantom Stock	Common Stock (781)	—	—	781	Acquired
Sept. 30, 2010	MDU	Phantom Stock	Common Stock (792)	—	—	792	Acquired
June 30, 2010	MDU	Phantom Stock	Common Stock (848)	—	—	848	Acquired
March 31, 2010	MDU	Phantom Stock	Common Stock (701)	—	—	701	Acquired
Dec. 31, 2009	MDU	Phantom Stock	Common Stock (633)	—	—	633	Acquired
Sept. 30, 2009	MDU	Phantom Stock	Common Stock (730)	—	—	730	Acquired
June 30, 2009	MDU	Phantom Stock	Common Stock (817)	—	—	817	Acquired
March 31, 2009	MDU	Phantom Stock	Common Stock (922)	—	—	922	Acquired
Dec. 31, 2008	MDU	Phantom Stock	Common Stock (764)	—	—	764	Acquired
Sept. 30, 2008	MDU	Phantom Stock	Common Stock (528)	—	—	528	Acquired
June 30, 2008	MDU	Phantom Stock	Common Stock (482)	—	—	482	Acquired
March 31, 2008	MDU	Phantom Stock	Common Stock (577)	—	—	577	Acquired
Dec. 31, 2007	MDU	Phantom Stock	Common Stock (560)	—	—	560	Acquired
Sept. 28, 2007	MDU	Phantom Stock	Common Stock (611)	—	—	611	Acquired
June 29, 2007	MDU	Phantom Stock	Common Stock (544)	—	—	544	Acquired
March 30, 2007	MDU	Phantom Stock	Common Stock (481)	—	—	481	Acquired
Dec. 29, 2006	MDU	Phantom Stock	Common Stock (591)	—	—	591	Acquired
Sept. 29, 2006	MDU	Phantom Stock	Common Stock (667)	—	—	667	Acquired
June 30, 2006	MDU	Phantom Stock	Common Stock (457)	—	—	457	Acquired
March 31, 2006	MDU	Phantom Stock	Common Stock (374)	—	—	374	Acquired

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