TIPTON RONALD D

CEO - Montana-Dakota Utilities at MDU RESOURCES GROUP INC · on record since Aug 22, 2003

Insider trading activity of TIPTON RONALD D

Transactions on record: 40; since Aug 22, 2003

Open-market buys: 0

Open-market sells: 35; $2.8M

Companies traded: 1; last filing Aug 17, 2004

Figures computed from official regulatory filings — .

Companies where TIPTON RONALD D has traded

MDU RESOURCES GROUP INC40 tx · $4.9M · Aug 17, 2004

Track record of TIPTON RONALD D

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of TIPTON RONALD D

Co-insiders of TIPTON RONALD D

ALBERTSON BRUCE RMDU RESOURCES GROUP INC
ANDERSON DARREL TMDU RESOURCES GROUP INC
Barney David CMDU RESOURCES GROUP INC
Barth Stephanie AMDU RESOURCES GROUP INC
Bietz Steven LMDU RESOURCES GROUP INC
Boese Dyke A.MDU RESOURCES GROUP INC
Carmona-Alvarez GermanMDU RESOURCES GROUP INC
CASTLEBERRY JOHN KMDU RESOURCES GROUP INC
CHRISTOPHERSON CATHLEEN MMDU RESOURCES GROUP INC
Connors William RMDU RESOURCES GROUP INC
DELLA ROCCA MICHAELMDU RESOURCES GROUP INC
Del Vecchio Mark AMDU RESOURCES GROUP INC
Dosch Vernon A.MDU RESOURCES GROUP INC
DURKIN MARIAN MMDU RESOURCES GROUP INC
EVERIST THOMAS SMDU RESOURCES GROUP INC
Fagg Karen BMDU RESOURCES GROUP INC
Foti Anthony DonaldMDU RESOURCES GROUP INC
FRITZ MARTIN AMDU RESOURCES GROUP INC
Gatzemeier PaulMDU RESOURCES GROUP INC
Gemmel James H.MDU RESOURCES GROUP INC
Goodin David LMDU RESOURCES GROUP INC
Gray Brian R.MDU RESOURCES GROUP INC
Haider Dennis LMDU RESOURCES GROUP INC
Harp John GMDU RESOURCES GROUP INC
Hastings Trevor JMDU RESOURCES GROUP INC
HELLERSTEIN MARK AMDU RESOURCES GROUP INC
HILDESTAD TERRY DMDU RESOURCES GROUP INC
Holaday A BartMDU RESOURCES GROUP INC
Imsdahl Bruce TMDU RESOURCES GROUP INC
Jaeger Douglas W.MDU RESOURCES GROUP INC
JOHNSON DENNIS WMDU RESOURCES GROUP INC
Johnson Rob L.MDU RESOURCES GROUP INC

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.53 USD	$2.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-600	24.37 USD	$14.6K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	ExerciseD (derivative)	-49,140	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.31 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-300	24.50 USD	$7.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.33 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.39 USD	$26.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.38 USD	$26.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-600	24.48 USD	$14.7K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,600	24.35 USD	$63.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-7,140	24.40 USD	$174.2K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-4,600	24.42 USD	$112.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-6,500	24.43 USD	$158.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-300	24.51 USD	$7.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Exercise	49,140	19.83 USD	$974.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.52 USD	$2.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-5,800	24.45 USD	$141.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,400	24.34 USD	$58.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,900	24.46 USD	$70.9K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,200	24.47 USD	$29.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.41 USD	$26.9K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-6,200	24.44 USD	$151.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-4,200	24.36 USD	$102.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.32 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Feb 17, 2004	Other	-1,613	23.72 USD	$38.3K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.53 USD	$2.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-600	24.37 USD	$14.6K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	ExerciseD (derivative)	-49,140	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.31 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-300	24.50 USD	$7.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.33 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.39 USD	$26.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.38 USD	$26.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-600	24.48 USD	$14.7K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,600	24.35 USD	$63.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-7,140	24.40 USD	$174.2K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-4,600	24.42 USD	$112.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-6,500	24.43 USD	$158.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-300	24.51 USD	$7.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Exercise	49,140	19.83 USD	$974.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.52 USD	$2.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-5,800	24.45 USD	$141.8K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,400	24.34 USD	$58.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-2,900	24.46 USD	$70.9K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,200	24.47 USD	$29.4K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-1,100	24.41 USD	$26.9K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-6,200	24.44 USD	$151.5K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-4,200	24.36 USD	$102.3K	SEC
MDU RESOURCES GROUP INCListing on record	Aug 17, 2004	Sell	-100	24.32 USD	$2.4K	SEC
MDU RESOURCES GROUP INCListing on record	Feb 17, 2004	Other	-1,613	23.72 USD	$38.3K	SEC