DURKIN MARIAN M

Director at MDU RESOURCES GROUP INC · on record since Apr 1, 2026
Senior VP & General Counsel at AVISTA CORP · on record since Aug 1, 2005

Insider trading activity of DURKIN MARIAN M

Transactions on record: 125; since Feb 13, 2006

Open-market buys: 0

Open-market sells: 15; $1.5M

Companies traded: 2; last filing Oct 1, 2026

Figures computed from official regulatory filings — .

Companies where DURKIN MARIAN M has traded

MDU RESOURCES GROUP INC9 tx · Oct 1, 2026
AVISTA CORP116 tx · $8.3M · Mar 12, 2020

Track record of DURKIN MARIAN M

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

Transaction history of DURKIN MARIAN M

Co-insiders of DURKIN MARIAN M

ALBERTSON BRUCE RMDU RESOURCES GROUP INC
Alexander Alexis G.AVISTA CORP
ANDERSON DARREL TMDU RESOURCES GROUP INC
ANDERSON ERIK JAVISTA CORP
Barney David CMDU RESOURCES GROUP INC
Barth Stephanie AMDU RESOURCES GROUP INC
Bentz Julie A.AVISTA CORP
Bietz Steven LMDU RESOURCES GROUP INC
BLAKE KRISTIANNEAVISTA CORP
Boese Dyke A.MDU RESOURCES GROUP INC
BURKE DONALD CAVISTA CORP
BURMEISTER SMITH CHRISTY MAVISTA CORP
Carmona-Alvarez GermanMDU RESOURCES GROUP INC
CASTLEBERRY JOHN KMDU RESOURCES GROUP INC
Christie Kevin JAVISTA CORP
CHRISTOPHERSON CATHLEEN MMDU RESOURCES GROUP INC
CLACK DAVID AAVISTA CORP
Connors William RMDU RESOURCES GROUP INC
Cox Bryan AldenAVISTA CORP
DELLA ROCCA MICHAELMDU RESOURCES GROUP INC
Del Vecchio Mark AMDU RESOURCES GROUP INC
DiLuciano Joshua DAVISTA CORP
Dosch Vernon A.MDU RESOURCES GROUP INC
DUNHAM BRIAN WAVISTA CORP
Ehrbar Patrick DAVISTA CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MDU RESOURCES GROUP INCListing on record	Oct 1, 2026	Award	172	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	Jul 1, 2026	Award	152	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	Apr 1, 2026	Award	157	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	Jan 2, 2026	Award	164	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	Nov 14, 2025	Award	7,274	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	Oct 1, 2025	Award	182	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	Jul 1, 2025	Award	175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
MDU RESOURCES GROUP INCListing on record	Apr 1, 2025	Award	165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
MDU RESOURCES GROUP INCListing on record	Nov 19, 2024	Award	3,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
AVISTA CORPListing on record	Mar 12, 2020	Gift	-880	48.01 USD	$42.2K		SEC
AVISTA CORPListing on record	Feb 28, 2020	ExerciseD (derivative)	-3,300	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 28, 2020	Exercise	4,992	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 28, 2020	Other	-1,608	49.49 USD	$79.6K		SEC
AVISTA CORPListing on record	Feb 7, 2020	AwardD (derivative)	7,156	51.15 USD	$366K		SEC
AVISTA CORPListing on record	Feb 7, 2020	Award	2,385	51.15 USD	$122K	Unusual size	SEC
AVISTA CORPListing on record	Jan 6, 2020	Other	-869	47.47 USD	$41.3K		SEC
AVISTA CORPListing on record	Dec 4, 2019	Sell	-10,000	46.76 USD	$467.6K	Unusual size	SEC
AVISTA CORPListing on record	Sep 5, 2019	Gift	-1,000	48.14 USD	$48.1K		SEC
AVISTA CORPListing on record	Jun 17, 2019	Sell	-10,004	44.11 USD	$441.3K	Unusual size	SEC
AVISTA CORPListing on record	Feb 27, 2019	Gift	-1,500	40.74 USD	$61.1K		SEC
AVISTA CORPListing on record	Feb 12, 2019	Award	2,979	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 12, 2019	AwardD (derivative)	8,937	40.97 USD	$366.1K		SEC
AVISTA CORPListing on record	Feb 7, 2019	ExerciseD (derivative)	-3,300	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 7, 2019	Exercise	1,848	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 7, 2019	Other	-446	41.42 USD	$18.5K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
MDU RESOURCES GROUP INCListing on record	Oct 1, 2026	Award	172	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	Jul 1, 2026	Award	152	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	Apr 1, 2026	Award	157	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	Jan 2, 2026	Award	164	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	Nov 14, 2025	Award	7,274	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	Oct 1, 2025	Award	182	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	Jul 1, 2025	Award	175	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
MDU RESOURCES GROUP INCListing on record	Apr 1, 2025	Award	165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
MDU RESOURCES GROUP INCListing on record	Nov 19, 2024	Award	3,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	Unusual size	SEC
AVISTA CORPListing on record	Mar 12, 2020	Gift	-880	48.01 USD	$42.2K		SEC
AVISTA CORPListing on record	Feb 28, 2020	ExerciseD (derivative)	-3,300	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 28, 2020	Exercise	4,992	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 28, 2020	Other	-1,608	49.49 USD	$79.6K		SEC
AVISTA CORPListing on record	Feb 7, 2020	AwardD (derivative)	7,156	51.15 USD	$366K		SEC
AVISTA CORPListing on record	Feb 7, 2020	Award	2,385	51.15 USD	$122K	Unusual size	SEC
AVISTA CORPListing on record	Jan 6, 2020	Other	-869	47.47 USD	$41.3K		SEC
AVISTA CORPListing on record	Dec 4, 2019	Sell	-10,000	46.76 USD	$467.6K	Unusual size	SEC
AVISTA CORPListing on record	Sep 5, 2019	Gift	-1,000	48.14 USD	$48.1K		SEC
AVISTA CORPListing on record	Jun 17, 2019	Sell	-10,004	44.11 USD	$441.3K	Unusual size	SEC
AVISTA CORPListing on record	Feb 27, 2019	Gift	-1,500	40.74 USD	$61.1K		SEC
AVISTA CORPListing on record	Feb 12, 2019	Award	2,979	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 12, 2019	AwardD (derivative)	8,937	40.97 USD	$366.1K		SEC
AVISTA CORPListing on record	Feb 7, 2019	ExerciseD (derivative)	-3,300	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 7, 2019	Exercise	1,848	—	n/a (No price was disclosed in the filing)		SEC
AVISTA CORPListing on record	Feb 7, 2019	Other	-446	41.42 USD	$18.5K		SEC