Cathleen M Christopherson

CIK 1195506 · View on SEC EDGAR ↗

Insider

First SEC filing: June 1, 2005 · Latest: June 1, 2005

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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 May 31, 2005

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 31, 2005	MDU	M	6,740	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 31, 2005	MDU	S	4,440	$28.68	$127,339	33,309 Direct	-11.76%	Disposed	183.5% (price as of 2026-08-20)
May 31, 2005	MDU	S	2,300	$28.66	$65,918	37,749 Direct	-5.74%	Disposed	183.7% (price as of 2026-08-20)
May 31, 2005	MDU	M	6,740	$14.08	$94,899	40,049 Direct	+20.23%	Acquired	477.4% (price as of 2026-08-20)
Feb. 28, 2005	MDU	I	3,641	$26.97	$98,198	16,593 Indirect	-17.99%	Disposed	201.5% (price as of 2026-08-20)
Feb. 17, 2005	MDU	F	411	$27.68	$11,376	33,309 Direct	-1.22%	Disposed	193.7% (price as of 2026-08-20)
Feb. 17, 2005	MDU	F	251	$27.68	$6,948	33,720 Direct	-0.74%	Disposed	193.7% (price as of 2026-08-20)
Feb. 17, 2005	MDU	A	689	—	—	33,971 Direct	+2.07%	Acquired	(price as of 2026-08-20)
Nov. 24, 2004	MDU	M	10,000	—	—	6,740 Direct	-59.74%	Disposed	(price as of 2026-08-20)
Nov. 24, 2004	MDU	S	500	$27.27	$13,635	32,157 Direct	-1.53%	Disposed	198.1% (price as of 2026-08-20)
Nov. 24, 2004	MDU	S	9,500	$27.22	$258,590	32,657 Direct	-22.53%	Disposed	198.7% (price as of 2026-08-20)
Nov. 24, 2004	MDU	M	10,000	$14.08	$140,800	42,157 Direct	+31.10%	Acquired	477.4% (price as of 2026-08-20)
Feb. 27, 2004	MDU	M	9,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 27, 2004	MDU	S	4,100	$23.25	$95,325	32,157 Direct	-11.31%	Disposed	249.7% (price as of 2026-08-20)
Feb. 27, 2004	MDU	S	4,900	$23.16	$113,484	36,257 Direct	-11.91%	Disposed	251.0% (price as of 2026-08-20)
Feb. 27, 2004	MDU	M	9,000	$8.22	$73,980	41,157 Direct	+27.99%	Acquired	889.1% (price as of 2026-08-20)
Feb. 12, 2004	MDU	F	367	$23.72	$8,705	32,157 Direct	-1.13%	Disposed	242.8% (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 31, 2005	MDU	Empl.Stock Opt.(Right to Buy)	Common Stock (6,740)	$14.08	Feb. 10, 2008	6,740	Disposed
Nov. 24, 2004	MDU	Empl.Stock Opt.(Right to Buy)	Common Stock (10,000)	$14.08	Feb. 10, 2008	10,000	Disposed
Feb. 27, 2004	MDU	Empl.Stock Opt.(Right to Buy)	Common Stock (9,000)	$8.22	Feb. 8, 2005	9,000	Disposed

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