Mdu Resources Group Inc (MDU)

Market is closed

Insider Trading: Purchases

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Pearce Director	$18.02	7,322	$131,942.44	193,600	2010-05-21	Filing
Pearce Director	$18.01	3,000	$54,030.00	186,278	2010-05-21	Filing
Pearce Director	$18.00	17,300	$311,400.00	183,278	2010-05-21	Filing
Pearce Director	$18.00	300	$5,398.50	165,978	2010-05-21	Filing
Pearce Director	$17.99	800	$14,392.00	165,678	2010-05-21	Filing
Pearce Director	$17.98	15,478	$278,294.44	164,878	2010-05-21	Filing
Schwartz Officer	$17.90	100	$1,790.00	11,574	2010-05-21	Filing
Schwartz Officer	$17.89	25	$447.25	11,474	2010-05-21	Filing
Schwartz Officer	$17.86	375	$6,697.50	11,449	2010-05-21	Filing
Schwartz Officer	$17.78	500	$8,890.00	11,074	2010-05-06	Filing
Holaday Director	$20.41	2,100	$42,861.00	24,050	2010-02-26	Filing
Holaday Director	$20.41	400	$8,162.00	21,950	2010-02-26	Filing
Holaday Director	$20.40	3,341	$68,156.40	21,550	2010-02-26	Filing
Holaday Director	$20.40	300	$6,118.80	18,209	2010-02-26	Filing
Holaday Director	$20.40	500	$10,197.50	17,909	2010-02-26	Filing
Holaday Director	$20.39	2,959	$60,334.01	17,409	2010-02-26	Filing
Holaday Director	$20.38	400	$8,152.00	14,450	2010-02-26	Filing
Schwartz Officer	$20.37	100	$2,037.00	10,574	2010-02-26	Filing
Schwartz Officer	$20.36	100	$2,035.99	10,474	2010-02-26	Filing
Schwartz Officer	$20.36	100	$2,035.97	10,374	2010-02-26	Filing