Mdu Resources Group Inc (MDU)

Market is closed

Insider Trading: Purchases

Insider	Price	Amount	Relationship	Remaining Holdings	Date	Form 4
Pearce	$18.01	3,000	Director	186,278	2010-05-21	Filing
Pearce	$18.00	17,300	Director	183,278	2010-05-21	Filing
Pearce	$18.00	300	Director	165,978	2010-05-21	Filing
Pearce	$17.99	800	Director	165,678	2010-05-21	Filing
Pearce	$17.98	15,478	Director	164,878	2010-05-21	Filing
Schwartz	$17.90	100	Officer	11,574	2010-05-21	Filing
Schwartz	$17.89	25	Officer	11,474	2010-05-21	Filing
Schwartz	$17.86	375	Officer	11,449	2010-05-21	Filing
Schwartz	$17.78	500	Officer	11,074	2010-05-06	Filing
Holaday	$20.41	2,100	Director	24,050	2010-02-26	Filing
Holaday	$20.41	400	Director	21,950	2010-02-26	Filing
Holaday	$20.40	3,341	Director	21,550	2010-02-26	Filing
Holaday	$20.40	300	Director	18,209	2010-02-26	Filing
Holaday	$20.40	500	Director	17,909	2010-02-26	Filing
Holaday	$20.39	2,959	Director	17,409	2010-02-26	Filing
Holaday	$20.38	400	Director	14,450	2010-02-26	Filing
Schwartz	$20.37	100	Officer	10,574	2010-02-26	Filing
Schwartz	$20.36	100	Officer	10,474	2010-02-26	Filing
Schwartz	$20.36	100	Officer	10,374	2010-02-26	Filing
Schwartz	$20.36	2,200	Officer	10,274	2010-02-26	Filing