Harry J Pearce

Insider

First SEC filing: Dec. 11, 2008 · Latest: Dec. 11, 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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 88 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

88 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 20, 2018	MDU	A	5,462	$26.54	$144,961	246,740 Direct	+2.26%	Acquired	104.2% (price as of 2026-08-20)
Nov. 21, 2017	MDU	A	5,393	$26.88	$144,964	241,278 Direct	+2.29%	Acquired	101.6% (price as of 2026-08-20)
Nov. 21, 2016	MDU	A	3,886	$28.30	$109,974	235,885 Direct	+1.68%	Acquired	91.5% (price as of 2026-08-20)
Nov. 18, 2015	MDU	A	6,039	$18.21	$109,970	231,999 Direct	+2.67%	Acquired	197.6% (price as of 2026-08-20)
April 10, 2015	MAR	A	220	$80.37	$17,681	93,217 Direct	+0.24%	Acquired	345.1% (price as of 2026-08-20)
Jan. 9, 2015	MAR	A	225	$78.54	$17,672	92,886 Direct	+0.24%	Acquired	355.4% (price as of 2026-08-20)
Nov. 19, 2014	MDU	A	4,340	$25.34	$109,976	225,960 Direct	+1.96%	Acquired	113.9% (price as of 2026-08-20)
Oct. 10, 2014	MAR	A	275	$63.93	$17,581	92,547 Direct	+0.30%	Acquired	459.5% (price as of 2026-08-20)
July 10, 2014	MAR	A	270	$65.18	$17,599	92,146 Direct	+0.29%	Acquired	448.8% (price as of 2026-08-20)
May 12, 2014	MAR	A	2,118	—	—	91,738 Direct	+2.36%	Acquired	(price as of 2026-08-20)
April 10, 2014	MAR	A	313	$56.23	$17,600	89,620 Direct	+0.35%	Acquired	536.1% (price as of 2026-08-20)
Nov. 20, 2013	MDU	A	3,603	$30.53	$110,000	221,620 Direct	+1.65%	Acquired	77.5% (price as of 2026-08-20)
Oct. 10, 2013	MAR	A	422	$41.76	$17,623	88,663 Direct	+0.48%	Acquired	756.5% (price as of 2026-08-20)
July 10, 2013	MAR	A	423	$41.72	$17,648	88,071 Direct	+0.48%	Acquired	757.4% (price as of 2026-08-20)
May 13, 2013	MAR	A	2,856	—	—	87,472 Direct	+3.38%	Acquired	(price as of 2026-08-20)
April 10, 2013	MAR	A	421	$41.87	$17,627	84,616 Direct	+0.50%	Acquired	754.3% (price as of 2026-08-20)
Nov. 19, 2012	MDU	A	5,467	$20.12	$109,996	218,017 Direct	+2.57%	Acquired	169.4% (price as of 2026-08-20)
July 11, 2012	MAR	A	486	$38.70	$18,808	82,826 Direct	+0.59%	Acquired	824.3% (price as of 2026-08-20)
May 7, 2012	MAR	A	2,808	—	—	82,208 Direct	+3.54%	Acquired	(price as of 2026-08-20)
April 10, 2012	MAR	A	508	$37.00	$18,796	79,400 Direct	+0.64%	Acquired	866.7% (price as of 2026-08-20)
Jan. 10, 2012	MAR	A	644	$32.85	$21,155	78,669 Direct	+0.83%	Acquired	988.9% (price as of 2026-08-20)
Nov. 21, 2011	MDU	A	5,450	$20.18	$109,981	212,550 Direct	+2.63%	Acquired	168.6% (price as of 2026-08-20)
Oct. 10, 2011	MAR	A	601	$29.31	$17,615	78,025 Direct	+0.78%	Acquired	1194.8% (price as of 2026-08-20)
July 11, 2011	MAR	A	547	$36.55	$19,993	77,295 Direct	+0.71%	Acquired	938.3% (price as of 2026-08-20)
May 10, 2011	MAR	A	3,024	—	—	76,640 Direct	+4.11%	Acquired	(price as of 2026-08-20)
April 11, 2011	MAR	A	512	$34.40	$17,613	73,616 Direct	+0.70%	Acquired	1003.2% (price as of 2026-08-20)
Jan. 10, 2011	MAR	A	465	$40.63	$18,893	73,016 Direct	+0.64%	Acquired	834.1% (price as of 2026-08-20)
Oct. 11, 2010	MAR	A	492	$35.81	$17,619	72,475 Direct	+0.68%	Acquired	959.8% (price as of 2026-08-20)
July 9, 2010	MAR	A	607	$30.99	$18,811	71,944 Direct	+0.85%	Acquired	1124.6% (price as of 2026-08-20)
May 21, 2010	MDU	M	6,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 21, 2010	MDU	M	6,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 21, 2010	MDU	M	6,750	$17.13	$115,628	207,100 Direct	+3.37%	Acquired	216.4% (price as of 2026-08-20)
May 21, 2010	MDU	M	6,750	$13.03	$87,952	200,350 Direct	+3.49%	Acquired	316.0% (price as of 2026-08-20)
May 21, 2010	MDU	P	7,322	$18.02	$131,942	193,600 Direct	+3.93%	Acquired	200.8% (price as of 2026-08-20)
May 21, 2010	MDU	P	3,000	$18.01	$54,030	186,278 Direct	+1.64%	Acquired	201.0% (price as of 2026-08-20)
May 21, 2010	MDU	P	17,300	$18.00	$311,400	183,278 Direct	+10.42%	Acquired	201.1% (price as of 2026-08-20)
May 21, 2010	MDU	P	300	$18.00	$5,400	165,978 Direct	+0.18%	Acquired	201.1% (price as of 2026-08-20)
May 21, 2010	MDU	P	800	$17.99	$14,392	165,678 Direct	+0.49%	Acquired	201.3% (price as of 2026-08-20)
May 21, 2010	MDU	P	15,478	$17.98	$278,294	164,878 Direct	+10.36%	Acquired	201.5% (price as of 2026-08-20)
May 17, 2010	MDU	A	4,050	$19.52	$79,056	149,400 Direct	+2.79%	Acquired	177.7% (price as of 2026-08-20)
May 10, 2010	MAR	A	3,101	—	—	71,295 Direct	+4.55%	Acquired	(price as of 2026-08-20)
April 9, 2010	MAR	A	501	$32.84	$16,453	68,194 Direct	+0.74%	Acquired	1055.6% (price as of 2026-08-20)
Jan. 11, 2010	MAR	A	670	$28.08	$18,814	67,652 Direct	+1.00%	Acquired	1251.5% (price as of 2026-08-20)
Oct. 9, 2009	MAR	A	709	$26.50	$18,788	66,869 Direct	+1.07%	Acquired	1336.4% (price as of 2026-08-20)
July 10, 2009	MAR	A	1,024	—	—	65,923 Direct	+1.58%	Acquired	(price as of 2026-08-20)
May 18, 2009	MDU	A	4,050	$17.15	$69,458	145,350 Direct	+2.87%	Acquired	216.0% (price as of 2026-08-20)
May 4, 2009	MAR	A	3,412	—	—	64,899 Direct	+5.55%	Acquired	(price as of 2026-08-20)
April 9, 2009	MAR	A	857	—	—	61,368 Direct	+1.42%	Acquired	(price as of 2026-08-20)
Jan. 9, 2009	MAR	A	934	$20.12	$18,792	60,385 Direct	+1.57%	Acquired	1807.1% (price as of 2026-08-20)
Dec. 10, 2008	MDU	A	2,384	$20.97	$49,992	139,959 Direct	+1.73%	Acquired	158.5% (price as of 2026-08-20)
Oct. 10, 2008	MAR	A	1,007	$17.50	$17,622	59,451 Direct	+1.72%	Acquired	2092.6% (price as of 2026-08-20)
July 14, 2008	MAR	A	806	$24.79	$19,981	58,252 Direct	+1.40%	Acquired	1447.8% (price as of 2026-08-20)
May 5, 2008	MAR	A	2,209	—	—	57,446 Direct	+4.00%	Acquired	(price as of 2026-08-20)
April 28, 2008	MDU	A	4,050	$28.52	$115,506	137,575 Direct	+3.03%	Acquired	90.0% (price as of 2026-08-20)
April 10, 2008	MAR	A	515	$34.22	$17,623	55,181 Direct	+0.94%	Acquired	1021.3% (price as of 2026-08-20)
Jan. 10, 2008	MAR	A	523	$32.82	$17,165	54,666 Direct	+0.97%	Acquired	1069.1% (price as of 2026-08-20)
Dec. 31, 2007	MDU	A	1,789	$27.94	$49,985	133,525 Direct	+1.36%	Acquired	94.0% (price as of 2026-08-20)
Oct. 10, 2007	MAR	A	368	$41.56	$15,294	54,036 Direct	+0.69%	Acquired	823.2% (price as of 2026-08-20)
July 20, 2007	MAR	A	42	$44.85	$1,884	53,668 Direct	+0.08%	Acquired	755.5% (price as of 2026-08-20)
July 10, 2007	MAR	A	407	$46.21	$18,807	51,613 Direct	+0.79%	Acquired	730.3% (price as of 2026-08-20)
April 27, 2007	MAR	A	33	$46.25	$1,526	51,206 Direct	+0.06%	Acquired	729.6% (price as of 2026-08-20)
April 27, 2007	MAR	A	1,730	$46.25	$80,012	53,153 Direct	+3.36%	Acquired	729.6% (price as of 2026-08-20)
April 27, 2007	MDU	A	4,050	$31.07	$125,834	131,736 Direct	+3.17%	Acquired	74.5% (price as of 2026-08-20)
April 10, 2007	MAR	A	283	$49.85	$14,108	51,423 Direct	+0.55%	Acquired	669.7% (price as of 2026-08-20)
Jan. 10, 2007	MAR	A	33	$46.21	$1,525	51,173 Direct	+0.06%	Acquired	730.3% (price as of 2026-08-20)
Jan. 10, 2007	MAR	A	393	$46.21	$18,161	51,140 Direct	+0.77%	Acquired	730.3% (price as of 2026-08-20)
Dec. 29, 2006	MDU	A	4,062	$25.81	$104,840	127,686 Direct	+3.29%	Acquired	110.0% (price as of 2026-08-20)
Oct. 10, 2006	MAR	A	390	$40.43	$15,768	50,747 Direct	+0.77%	Acquired	849.0% (price as of 2026-08-20)
July 10, 2006	MAR	A	438	$37.57	$16,456	50,357 Direct	+0.88%	Acquired	921.3% (price as of 2026-08-20)
April 28, 2006	MAR	A	816	$73.55	$60,017	24,475 Direct	+3.45%	Acquired	943.4% (price as of 2026-08-20)
April 28, 2006	MDU	A	2,700	$37.11	$100,197	82,416 Direct	+3.39%	Acquired	119.1% (price as of 2026-08-20)
April 10, 2006	MAR	A	213	$71.68	$15,268	24,111 Direct	+0.89%	Acquired	970.6% (price as of 2026-08-20)
Jan. 10, 2006	MAR	A	239	$68.83	$16,450	23,898 Direct	+1.01%	Acquired	1014.9% (price as of 2026-08-20)
Dec. 30, 2005	MDU	A	2,784	$32.86	$91,482	79,285 Direct	+3.64%	Acquired	147.4% (price as of 2026-08-20)
Oct. 10, 2005	MAR	A	244	$62.73	$15,306	23,595 Direct	+1.04%	Acquired	1123.3% (price as of 2026-08-20)
July 11, 2005	MAR	A	241	$70.00	$16,870	23,351 Direct	+1.04%	Acquired	996.3% (price as of 2026-08-20)
May 6, 2005	MAR	A	966	$62.10	$59,989	23,110 Direct	+4.36%	Acquired	1135.7% (price as of 2026-08-20)
April 29, 2005	MDU	A	2,700	$26.85	$72,495	75,646 Direct	+3.70%	Acquired	202.8% (price as of 2026-08-20)
April 11, 2005	MAR	A	208	$67.83	$14,109	22,144 Direct	+0.95%	Acquired	1031.4% (price as of 2026-08-20)
Jan. 10, 2005	MAR	A	247	$61.90	$15,289	21,936 Direct	+1.14%	Acquired	1139.7% (price as of 2026-08-20)
Dec. 31, 2004	MDU	A	924	—	—	25,867 Direct	+3.70%	Acquired	(price as of 2026-08-20)
Dec. 7, 2004	MAR	G	5,825	—	—	4,175 Direct	-58.25%	Disposed	(price as of 2026-08-20)
Oct. 11, 2004	MAR	A	242	$53.30	$12,899	21,626 Direct	+1.13%	Acquired	1339.8% (price as of 2026-08-20)
Sept. 30, 2004	MDU	A	939	—	—	24,943 Direct	+3.91%	Acquired	(price as of 2026-08-20)
July 12, 2004	MAR	A	287	$49.08	$14,086	21,384 Direct	+1.36%	Acquired	1463.6% (price as of 2026-08-20)
June 30, 2004	MDU	A	1,202	—	—	24,004 Direct	+5.27%	Acquired	(price as of 2026-08-20)
May 4, 2004	MDU	A	2,700	$22.60	$61,020	71,061 Direct	+3.95%	Acquired	259.7% (price as of 2026-08-20)
April 30, 2004	MAR	A	1,057	$47.31	$50,007	21,097 Direct	+5.27%	Acquired	1522.1% (price as of 2026-08-20)
April 12, 2004	MAR	J	288	$44.85	$12,917	20,040 Direct	+1.46%	Acquired	1611.0% (price as of 2026-08-20)
March 31, 2004	MDU	A	1,090	—	—	22,802 Direct	+5.02%	Acquired	(price as of 2026-08-20)
Jan. 12, 2004	MAR	J	279	$46.33	$12,926	19,752 Direct	+1.43%	Acquired	1556.4% (price as of 2026-08-20)
Dec. 31, 2003	MDU	A	1,244	—	—	21,716 Direct	+6.08%	Acquired	(price as of 2026-08-20)
Oct. 10, 2003	MAR	J	301	$42.96	$12,931	19,409 Direct	+1.58%	Acquired	1686.3% (price as of 2026-08-20)
Sept. 30, 2003	MDU	A	688	—	—	13,648 Direct	+5.31%	Acquired	(price as of 2026-08-20)

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
May 21, 2010	MDU	Stock Options (Right to Buy)	Common Stock (6,750)	$17.13	May 17, 2011	6,750	Disposed
May 21, 2010	MDU	Stock Options (Right to Buy)	Common Stock (6,750)	$13.03	May 16, 2012	6,750	Disposed
Dec. 31, 2004	MDU	Phantom Stock	Common Stock (924)	—	—	924	Acquired
Sept. 30, 2004	MDU	Phantom Stock	Common Stock (939)	—	—	939	Acquired
June 30, 2004	MDU	Phantom Stock	Common Stock (1,202)	—	—	1,202	Acquired
March 31, 2004	MDU	Phantom Stock	Common Stock (1,090)	—	—	1,090	Acquired
Dec. 31, 2003	MDU	Phantom Stock	Common Stock (1,244)	—	—	1,244	Acquired
Sept. 30, 2003	MDU	Phantom Stock	Common Stock (688)	—	—	688	Acquired

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