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$MDU

$20.76 +$0.04 (0.19%)

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Insider Transactions

Insider Transaction Summary

David L Goodin

595,558 shares

Net: 0 B/S: -

Nicole A Kivisto

547,961 shares

Net: +9,369 B/S: ∞

Jason L Vollmer

324,976 shares

Net: -11,537 B/S: ∞

Jeffrey S Thiede

269,169 shares

Net: 0 B/S: -

HARRY J PEARCE

246,740 shares

Net: 0 B/S: -

DENNIS W JOHNSON

187,945 shares

Net: +7,779 B/S: ∞

JOHN K WILSON

138,808 shares

Net: 0 B/S: -

David C Barney

132,769 shares

Net: 0 B/S: -

Anne M Jones

118,017 shares

Net: -6,487 B/S: ∞

THOMAS S EVERIST

110,626 shares

Net: 0 B/S: -

Garret Senger

100,048 shares

Net: -1,247 B/S: ∞

Karen B Fagg

92,828 shares

Net: 0 B/S: -

PATRICIA L MOSS

92,212 shares

Net: 0 B/S: -

Stephanie A Sievert

90,503 shares

Net: -5,894 B/S: ∞

Rob L. Johnson

82,665 shares

Net: -4,800 B/S: ∞

Margaret A Link

74,387 shares

Net: 0 B/S: -

Trevor J Hastings

69,510 shares

Net: 0 B/S: -

Karl A Liepitz

53,267 shares

Net: 0 B/S: -

Edward A Ryan

44,727 shares

Net: 0 B/S: -

Doran N Schwartz

43,600 shares

Net: 0 B/S: -

Paul R. Sanderson

38,066 shares

Net: 0 B/S: -

Stephanie A Barth

35,787 shares

Net: 0 B/S: -

Chenxi Wang

33,691 shares

Net: 0 B/S: -

MARK A HELLERSTEIN

33,207 shares

Net: 0 B/S: -

Daniel S Kuntz

26,186 shares

Net: 0 B/S: -

Dennis L Haider

25,717 shares

Net: 0 B/S: -

DAVID M SPARBY

24,905 shares

Net: 0 B/S: -

WILLIAM E MCCRACKEN

24,000 shares

Net: 0 B/S: -

DARREL T ANDERSON

17,594 shares

Net: +8,082 B/S: ∞

Vernon A. Dosch

17,464 shares

Net: +13,201 B/S: ∞

Anthony Donald Foti

16,634 shares

Net: +8,161 B/S: ∞

Dale Rosenthal

16,499 shares

Net: 0 B/S: -

CYNTHIA J NORLAND

15,721 shares

Net: 0 B/S: -

Douglas W. Jaeger

12,726 shares

Net: +7,274 B/S: ∞

A Bart Holaday

12,109 shares

Net: 0 B/S: -

MARIAN M DURKIN

11,524 shares

Net: +7,952 B/S: ∞

CHARLES M KELLEY

8,031 shares

Net: +8,031 B/S: ∞

James H. Gemmel

8,008 shares

Net: 0 B/S: -

Dyke A. Boese

7,084 shares

Net: +3,702 B/S: ∞

Tammy J Miller

6,031 shares

Net: +3,031 B/S: ∞

Priti Rashmikant Patel

4,849 shares

Net: +4,849 B/S: ∞

German Carmona-Alvarez

816 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
David L Goodin	595,558	0	-
Nicole A Kivisto	547,961	+9,369	∞
Jason L Vollmer	324,976	-11,537	∞
Jeffrey S Thiede	269,169	0	-
HARRY J PEARCE	246,740	0	-
DENNIS W JOHNSON	187,945	+7,779	∞
JOHN K WILSON	138,808	0	-
David C Barney	132,769	0	-
Anne M Jones	118,017	-6,487	∞
THOMAS S EVERIST	110,626	0	-
Garret Senger	100,048	-1,247	∞
Karen B Fagg	92,828	0	-
PATRICIA L MOSS	92,212	0	-
Stephanie A Sievert	90,503	-5,894	∞
Rob L. Johnson	82,665	-4,800	∞
Margaret A Link	74,387	0	-
Trevor J Hastings	69,510	0	-
Karl A Liepitz	53,267	0	-
Edward A Ryan	44,727	0	-
Doran N Schwartz	43,600	0	-
Paul R. Sanderson	38,066	0	-
Stephanie A Barth	35,787	0	-
Chenxi Wang	33,691	0	-
MARK A HELLERSTEIN	33,207	0	-
Daniel S Kuntz	26,186	0	-
Dennis L Haider	25,717	0	-
DAVID M SPARBY	24,905	0	-
WILLIAM E MCCRACKEN	24,000	0	-
DARREL T ANDERSON	17,594	+8,082	∞
Vernon A. Dosch	17,464	+13,201	∞
Anthony Donald Foti	16,634	+8,161	∞
Dale Rosenthal	16,499	0	-
CYNTHIA J NORLAND	15,721	0	-
Douglas W. Jaeger	12,726	+7,274	∞
A Bart Holaday	12,109	0	-
MARIAN M DURKIN	11,524	+7,952	∞
CHARLES M KELLEY	8,031	+8,031	∞
James H. Gemmel	8,008	0	-
Dyke A. Boese	7,084	+3,702	∞
Tammy J Miller	6,031	+3,031	∞
Priti Rashmikant Patel	4,849	+4,849	∞
German Carmona-Alvarez	816	0	-

Individual Transactions

March 31, 2026

MARIAN M DURKIN

Grant/Award Acquisition

Change: +157

Price: $0.00

Shares: 11,524

Value: +$0

Vernon A. Dosch

Grant/Award Acquisition

Change: +1,334

Price: $0.00

Shares: 17,464

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
MARIAN M DURKIN	Apr 01	Grant/Award Acquisition (A) Compensation/Award	11,524	+157	$0.00	+$0
Vernon A. Dosch	Apr 01	Grant/Award Acquisition (A) Compensation/Award	17,464	+1,334	$0.00	+$0

February 18, 2026

Garret Senger

Tax Payment

Change: -8,167

Price: $20.36

Shares: 100,048

Value: -$166,280

Rob L. Johnson

Tax Payment

Change: -10,630

Price: $20.36

Shares: 82,665

Value: -$216,426

Stephanie A Sievert

Tax Payment

Change: -10,438

Price: $20.36

Shares: 90,503

Value: -$212,517

Anne M Jones

Tax Payment

Change: -12,010

Price: $20.36

Shares: 118,017

Value: -$244,523

Jason L Vollmer

Tax Payment

Change: -36,766

Price: $20.36

Shares: 324,976

Value: -$748,555

Nicole A Kivisto

Tax Payment

Change: -35,668

Price: $20.36

Shares: 547,961

Value: -$726,200

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Garret Senger	Feb 19	Tax Payment (F) Tax Payment	100,048	-8,167	$20.36	-$166,280
Rob L. Johnson	Feb 19	Tax Payment (F) Tax Payment	82,665	-10,630	$20.36	-$216,426
Stephanie A Sievert	Feb 19	Tax Payment (F) Tax Payment	90,503	-10,438	$20.36	-$212,517
Anne M Jones	Feb 19	Tax Payment (F) Tax Payment	118,017	-12,010	$20.36	-$244,523
Jason L Vollmer	Feb 19	Tax Payment (F) Tax Payment	324,976	-36,766	$20.36	-$748,555
Nicole A Kivisto	Feb 19	Tax Payment (F) Tax Payment	547,961	-35,668	$20.36	-$726,200

February 17, 2026

Dyke A. Boese

Grant/Award Acquisition

Change: +3,702

Price: $0.00

Shares: 7,084

Value: +$0

Garret Senger

Grant/Award Acquisition

Change: +6,920

Price: $0.00

Shares: 108,215

Value: +$0

Rob L. Johnson

Grant/Award Acquisition

Change: +5,830

Price: $0.00

Shares: 93,295

Value: +$0

Anthony Donald Foti

Grant/Award Acquisition

Change: +8,161

Price: $0.00

Shares: 16,634

Value: +$0

Stephanie A Sievert

Grant/Award Acquisition

Change: +4,544

Price: $0.00

Shares: 100,941

Value: +$0

Anne M Jones

Grant/Award Acquisition

Change: +5,523

Price: $0.00

Shares: 130,027

Value: +$0

Jason L Vollmer

Grant/Award Acquisition

Change: +15,229

Price: $0.00

Shares: 361,742

Value: +$0

Nicole A Kivisto

Grant/Award Acquisition

Change: +45,037

Price: $0.00

Shares: 583,629

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Dyke A. Boese	Feb 19	Grant/Award Acquisition (A) Compensation/Award	7,084	+3,702	$0.00	+$0
Garret Senger	Feb 19	Grant/Award Acquisition (A) Compensation/Award	108,215	+6,920	$0.00	+$0
Rob L. Johnson	Feb 19	Grant/Award Acquisition (A) Compensation/Award	93,295	+5,830	$0.00	+$0
Anthony Donald Foti	Feb 19	Grant/Award Acquisition (A) Compensation/Award	16,634	+8,161	$0.00	+$0
Stephanie A Sievert	Feb 19	Grant/Award Acquisition (A) Compensation/Award	100,941	+4,544	$0.00	+$0
Anne M Jones	Feb 19	Grant/Award Acquisition (A) Compensation/Award	130,027	+5,523	$0.00	+$0
Jason L Vollmer	Feb 19	Grant/Award Acquisition (A) Compensation/Award	361,742	+15,229	$0.00	+$0
Nicole A Kivisto	Feb 19	Grant/Award Acquisition (A) Compensation/Award	583,629	+45,037	$0.00	+$0

February 13, 2026

CHARLES M KELLEY

Open Market Purchase

Change: +5,000

Price: $20.85

Shares: 8,031

Value: +$104,225

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHARLES M KELLEY	Feb 17	Open Market Purchase (P) Market Purchase	8,031	+5,000	$20.85	+$104,225

December 31, 2025

Vernon A. Dosch

Grant/Award Acquisition

Change: +1,394

Price: $0.00

Shares: 16,130

Value: +$0

MARIAN M DURKIN

Grant/Award Acquisition

Change: +164

Price: $0.00

Shares: 11,367

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Vernon A. Dosch	Jan 02	Grant/Award Acquisition (A) Compensation/Award	16,130	+1,394	$0.00	+$0
MARIAN M DURKIN	Jan 02	Grant/Award Acquisition (A) Compensation/Award	11,367	+164	$0.00	+$0

November 13, 2025

Priti Rashmikant Patel

Grant/Award Acquisition

Change: +4,849

Price: $0.00

Shares: 4,849

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Priti Rashmikant Patel	Nov 14	Grant/Award Acquisition (A) Compensation/Award	4,849	+4,849	$0.00	+$0