John K Wilson

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

MDU buying Nov. 7, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 17, 2020	MDU	A	4,921	$25.40	$124,993	138,808 Direct	+3.68%	Acquired	113.4% (price as of 2026-08-20)
Nov. 19, 2019	MDU	A	4,286	$29.16	$124,980	133,887 Direct	+3.31%	Acquired	85.9% (price as of 2026-08-20)
Nov. 20, 2018	MDU	A	4,143	$26.54	$109,955	129,601 Direct	+3.30%	Acquired	104.2% (price as of 2026-08-20)
Dec. 6, 2017	MDU	A	2,451	$27.70	$67,893	125,458 Direct	+1.99%	Acquired	95.7% (price as of 2026-08-20)
Nov. 21, 2017	MDU	A	4,091	$26.88	$109,966	123,007 Direct	+3.44%	Acquired	101.6% (price as of 2026-08-20)
Dec. 7, 2016	MDU	A	2,244	$28.96	$64,986	118,916 Direct	+1.92%	Acquired	87.2% (price as of 2026-08-20)
Nov. 21, 2016	MDU	A	3,886	$28.30	$109,974	116,672 Direct	+3.45%	Acquired	91.5% (price as of 2026-08-20)
Dec. 9, 2015	MDU	A	3,830	$16.97	$64,995	112,786 Direct	+3.52%	Acquired	219.4% (price as of 2026-08-20)
Nov. 18, 2015	MDU	A	6,039	$18.21	$109,970	108,956 Direct	+5.87%	Acquired	197.6% (price as of 2026-08-20)
Dec. 10, 2014	MDU	A	2,582	$23.56	$60,832	102,917 Direct	+2.57%	Acquired	130.1% (price as of 2026-08-20)
Nov. 19, 2014	MDU	A	4,340	$25.34	$109,976	100,335 Direct	+4.52%	Acquired	113.9% (price as of 2026-08-20)
Dec. 9, 2013	MDU	A	1,843	$29.83	$54,977	95,995 Direct	+1.96%	Acquired	81.7% (price as of 2026-08-20)
Nov. 20, 2013	MDU	A	3,603	$30.53	$110,000	94,152 Direct	+3.98%	Acquired	77.5% (price as of 2026-08-20)
Dec. 7, 2012	MDU	A	2,643	$20.80	$54,974	90,549 Direct	+3.01%	Acquired	160.6% (price as of 2026-08-20)
Nov. 19, 2012	MDU	A	5,467	$20.12	$109,996	87,906 Direct	+6.63%	Acquired	169.4% (price as of 2026-08-20)
Dec. 9, 2011	MDU	A	2,680	$20.52	$54,994	82,439 Direct	+3.36%	Acquired	164.1% (price as of 2026-08-20)
Nov. 21, 2011	MDU	A	5,450	$20.18	$109,981	79,759 Direct	+7.33%	Acquired	168.6% (price as of 2026-08-20)
Dec. 8, 2010	MDU	A	2,681	$20.51	$54,987	74,309 Direct	+3.74%	Acquired	164.3% (price as of 2026-08-20)
May 17, 2010	MDU	A	4,050	$19.52	$79,056	71,628 Direct	+5.99%	Acquired	177.7% (price as of 2026-08-20)
Dec. 9, 2009	MDU	A	1,983	$22.48	$44,578	67,578 Direct	+3.02%	Acquired	141.1% (price as of 2026-08-20)
May 18, 2009	MDU	A	4,050	$17.15	$69,458	65,595 Direct	+6.58%	Acquired	216.0% (price as of 2026-08-20)
Dec. 10, 2008	MDU	A	1,430	$20.97	$29,987	61,545 Direct	+2.38%	Acquired	158.5% (price as of 2026-08-20)
Nov. 7, 2008	MDU	P	5,000	$18.05	$90,250	60,115 Direct	+9.07%	Acquired	200.3% (price as of 2026-08-20)
April 28, 2008	MDU	A	4,050	$28.52	$115,506	55,115 Direct	+7.93%	Acquired	90.0% (price as of 2026-08-20)
Dec. 31, 2007	MDU	A	1,073	$27.94	$29,980	51,065 Direct	+2.15%	Acquired	94.0% (price as of 2026-08-20)
April 27, 2007	MDU	A	4,050	$31.07	$125,834	49,992 Direct	+8.82%	Acquired	74.5% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	700	$26.81	$18,767	45,942 Direct	+1.55%	Acquired	102.2% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	600	$26.80	$16,080	45,242 Direct	+1.34%	Acquired	102.2% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	200	$26.79	$5,358	44,642 Direct	+0.45%	Acquired	102.3% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	1,000	$26.78	$26,780	44,442 Direct	+2.30%	Acquired	102.4% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	1,000	$26.77	$26,770	43,442 Direct	+2.36%	Acquired	102.5% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	200	$26.76	$5,352	42,442 Direct	+0.47%	Acquired	102.5% (price as of 2026-08-20)
Feb. 21, 2007	MDU	P	300	$26.75	$8,025	42,242 Direct	+0.72%	Acquired	102.6% (price as of 2026-08-20)
Dec. 29, 2006	MDU	A	1,000	$25.81	$25,810	41,942 Direct	+2.44%	Acquired	110.0% (price as of 2026-08-20)
May 1, 2006	MDU	P	2,000	$36.89	$73,780	27,295 Direct	+7.91%	Acquired	120.4% (price as of 2026-08-20)
April 28, 2006	MDU	A	2,700	$37.11	$100,197	25,295 Direct	+11.95%	Acquired	119.1% (price as of 2026-08-20)
Feb. 22, 2006	MDU	P	100	$35.74	$3,574	22,595 Direct	+0.44%	Acquired	127.5% (price as of 2026-08-20)
Feb. 22, 2006	MDU	P	200	$35.72	$7,144	22,495 Direct	+0.90%	Acquired	127.6% (price as of 2026-08-20)
Feb. 22, 2006	MDU	P	1,700	$35.69	$60,673	22,295 Direct	+8.25%	Acquired	127.8% (price as of 2026-08-20)
Dec. 30, 2005	MDU	A	608	$32.86	$19,979	20,595 Direct	+3.04%	Acquired	147.4% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	1,600	$33.85	$54,160	19,987 Direct	+8.70%	Acquired	140.2% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	300	$33.81	$10,143	18,387 Direct	+1.66%	Acquired	140.5% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	100	$33.79	$3,379	18,087 Direct	+0.56%	Acquired	140.6% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	400	$33.78	$13,512	17,987 Direct	+2.27%	Acquired	140.7% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	1,500	$33.77	$50,655	17,587 Direct	+9.32%	Acquired	140.8% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	100	$33.76	$3,376	16,087 Direct	+0.63%	Acquired	140.8% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	800	$33.75	$27,000	15,987 Direct	+5.27%	Acquired	140.9% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	700	$33.74	$23,618	15,187 Direct	+4.83%	Acquired	141.0% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	300	$33.69	$10,107	14,487 Direct	+2.11%	Acquired	141.3% (price as of 2026-08-20)
Nov. 29, 2005	MDU	P	200	$33.58	$6,716	14,187 Direct	+1.43%	Acquired	142.1% (price as of 2026-08-20)
April 29, 2005	MDU	A	2,700	$26.85	$72,495	13,987 Direct	+23.92%	Acquired	202.8% (price as of 2026-08-20)
Dec. 31, 2004	MDU	A	742	$26.93	$19,982	11,287 Direct	+7.04%	Acquired	201.9% (price as of 2026-08-20)
May 4, 2004	MDU	A	2,700	$22.60	$61,020	10,545 Direct	+34.42%	Acquired	259.7% (price as of 2026-08-20)
Feb. 18, 2004	MDU	P	5,200	$23.95	$124,540	7,845 Direct	+196.60%	Acquired	239.5% (price as of 2026-08-20)
Feb. 17, 2004	MDU	P	600	$23.94	$14,364	2,645 Direct	+29.34%	Acquired	239.6% (price as of 2026-08-20)
Feb. 17, 2004	MDU	P	200	$23.93	$4,786	2,045 Direct	+10.84%	Acquired	239.8% (price as of 2026-08-20)
Dec. 31, 2003	MDU		None	—	—	—	—	—	(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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Aug. 21, 2003	MDU	Common Stock	1,000	Direct