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$MMSI

$85.90 +$0.89 (1.05%)

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Insider Transactions

Insider Transaction Summary

FRED P LAMPROPOULOS

1,066,028 shares

Net: 0 B/S: -

Fred P. Lampropoulos

1,019,955 shares

Net: -25,673 B/S: 2.65

MICHAEL E STILLABOWER

107,868 shares

Net: 0 B/S: -

Brian G. Lloyd

60,132 shares

Net: +4,476 B/S: ∞

Raul Jr. Parra

58,843 shares

Net: +8,027 B/S: ∞

Thomas J. Gunderson

53,241 shares

Net: +17,207 B/S: ∞

Martha Goldberg Aronson

49,792 shares

Net: +49,792 B/S: ∞

Neil W. Peterson

47,000 shares

Net: +1,629 B/S: 2.54

A SCOTT ANDERSON

46,397 shares

Net: 0 B/S: -

Joseph Wright

42,223 shares

Net: 0 B/S: -

F. Ann Ed.D. Millner

38,000 shares

Net: +3,457 B/S: ∞

Thomas James Gunderson

36,034 shares

Net: 0 B/S: -

F. Ann Millner

34,543 shares

Net: 0 B/S: -

Franklin J Miller

32,566 shares

Net: 0 B/S: -

Neil Peterson

28,369 shares

Net: 0 B/S: -

Bernard Birkett

25,000 shares

Net: 0 B/S: -

Michel James Voigt

21,779 shares

Net: 0 B/S: -

Lonny J. Carpenter

20,824 shares

Net: +3,457 B/S: ∞

Lonny J Carpenter

17,367 shares

Net: 0 B/S: -

Ronald Frost

15,144 shares

Net: 0 B/S: -

Laura S. Kaiser

13,352 shares

Net: +3,457 B/S: ∞

Lynne Ward

12,809 shares

Net: 0 B/S: -

Lynne N. Ward

11,266 shares

Net: -1,543 B/S: 0.85

Nolan E. Karras

10,500 shares

Net: 0 B/S: -

Stephen C. Evans

10,266 shares

Net: +3,457 B/S: ∞

James T. Hogan

10,152 shares

Net: 0 B/S: -

MICHAEL R MCDONNELL

9,895 shares

Net: 0 B/S: -

Michael R. McDonnell

9,852 shares

Net: +3,457 B/S: ∞

ELIZABETH HUEBNER

9,726 shares

Net: 0 B/S: -

Justin J. Lampropoulos

9,681 shares

Net: 0 B/S: -

RASHELLE PERRY

9,435 shares

Net: 0 B/S: -

Silvia M. Perez

8,040 shares

Net: +3,457 B/S: ∞

KENT W STANGER

7,500 shares

Net: 0 B/S: -

Jill Anderson

6,252 shares

Net: 0 B/S: -

RICHARD W EDELMAN

6,000 shares

Net: 0 B/S: -

David Floyd

4,880 shares

Net: 0 B/S: -

Silvia Perez

4,583 shares

Net: 0 B/S: -

Scott R. Ward

3,457 shares

Net: +3,457 B/S: ∞

Michel J. Voigt

2,265 shares

Net: +3,242 B/S: ∞

Christian Adam Smith

2,220 shares

Net: +7,811 B/S: ∞

GREG L BARNETT

1,000 shares

Net: 0 B/S: -

DAVID MING-TEH LIU

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
FRED P LAMPROPOULOS	1,066,028	0	-
Fred P. Lampropoulos	1,019,955	-25,673	2.65
MICHAEL E STILLABOWER	107,868	0	-
Brian G. Lloyd	60,132	+4,476	∞
Raul Jr. Parra	58,843	+8,027	∞
Thomas J. Gunderson	53,241	+17,207	∞
Martha Goldberg Aronson	49,792	+49,792	∞
Neil W. Peterson	47,000	+1,629	2.54
A SCOTT ANDERSON	46,397	0	-
Joseph Wright	42,223	0	-
F. Ann Ed.D. Millner	38,000	+3,457	∞
Thomas James Gunderson	36,034	0	-
F. Ann Millner	34,543	0	-
Franklin J Miller	32,566	0	-
Neil Peterson	28,369	0	-
Bernard Birkett	25,000	0	-
Michel James Voigt	21,779	0	-
Lonny J. Carpenter	20,824	+3,457	∞
Lonny J Carpenter	17,367	0	-
Ronald Frost	15,144	0	-
Laura S. Kaiser	13,352	+3,457	∞
Lynne Ward	12,809	0	-
Lynne N. Ward	11,266	-1,543	0.85
Nolan E. Karras	10,500	0	-
Stephen C. Evans	10,266	+3,457	∞
James T. Hogan	10,152	0	-
MICHAEL R MCDONNELL	9,895	0	-
Michael R. McDonnell	9,852	+3,457	∞
ELIZABETH HUEBNER	9,726	0	-
Justin J. Lampropoulos	9,681	0	-
RASHELLE PERRY	9,435	0	-
Silvia M. Perez	8,040	+3,457	∞
KENT W STANGER	7,500	0	-
Jill Anderson	6,252	0	-
RICHARD W EDELMAN	6,000	0	-
David Floyd	4,880	0	-
Silvia Perez	4,583	0	-
Scott R. Ward	3,457	+3,457	∞
Michel J. Voigt	2,265	+3,242	∞
Christian Adam Smith	2,220	+7,811	∞
GREG L BARNETT	1,000	0	-
DAVID MING-TEH LIU	0	0	-

Individual Transactions

June 05, 2026

Brian G. Lloyd

Gift

Change: -2,000

Price: $0.00

Shares: 60,132

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian G. Lloyd	Jun 08	Gift (G) Non-Market Transfer	60,132	-2,000	$0.00	-$0

May 20, 2026

Thomas J. Gunderson

Option Exercise/Conversion

Change: +13,750

Price: $52.17

Shares: 53,241

Value: +$717,337

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Thomas J. Gunderson	May 21	Option Exercise/Conversion (M) Compensation/Award	53,241	+13,750	$52.17	+$717,337

May 18, 2026

Stephen C. Evans

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 10,266

Value: +$0

Silvia M. Perez

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 8,040

Value: +$0

Lynne N. Ward

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 11,266

Value: +$0

Laura S. Kaiser

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 13,352

Value: +$0

F. Ann Ed.D. Millner

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 38,000

Value: +$0

Lonny J. Carpenter

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 20,824

Value: +$0

Scott R. Ward

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 3,457

Value: +$0

Thomas J. Gunderson

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 39,491

Value: +$0

Michael R. McDonnell

Grant/Award Acquisition

Change: +3,457

Price: $0.00

Shares: 9,852

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephen C. Evans	May 19	Grant/Award Acquisition (A) Compensation/Award	10,266	+3,457	$0.00	+$0
Silvia M. Perez	May 19	Grant/Award Acquisition (A) Compensation/Award	8,040	+3,457	$0.00	+$0
Lynne N. Ward	May 19	Grant/Award Acquisition (A) Compensation/Award	11,266	+3,457	$0.00	+$0
Laura S. Kaiser	May 19	Grant/Award Acquisition (A) Compensation/Award	13,352	+3,457	$0.00	+$0
F. Ann Ed.D. Millner	May 19	Grant/Award Acquisition (A) Compensation/Award	38,000	+3,457	$0.00	+$0
Lonny J. Carpenter	May 19	Grant/Award Acquisition (A) Compensation/Award	20,824	+3,457	$0.00	+$0
Scott R. Ward	May 19	Grant/Award Acquisition (A) Compensation/Award	3,457	+3,457	$0.00	+$0
Thomas J. Gunderson	May 19	Grant/Award Acquisition (A) Compensation/Award	39,491	+3,457	$0.00	+$0
Michael R. McDonnell	May 19	Grant/Award Acquisition (A) Compensation/Award	9,852	+3,457	$0.00	+$0

May 11, 2026

Christian Adam Smith

Open Market Purchase

Change: +1,626

Price: $61.00

Shares: 2,220

Value: +$99,186

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Christian Adam Smith	May 13	Open Market Purchase (P) Market Purchase	2,220	+1,626	$61.00	+$99,186

May 07, 2026

Brian G. Lloyd

Open Market Purchase

Change: +2,000

Price: $62.63

Shares: 2,000

Value: +$125,250

Lynne N. Ward

Open Market Sale

Change: -5,000

Price: $62.61

Shares: 7,809

Value: -$313,035

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian G. Lloyd	May 11	Open Market Purchase (P) Market Purchase	2,000	+2,000	$62.63	+$125,250
Lynne N. Ward	May 11	Open Market Sale (S) Market Sale	7,809	-5,000	$62.61	-$313,035

May 06, 2026

Martha Goldberg Aronson

Open Market Purchase

Change: +2,000

Price: $60.44

Shares: 49,792

Value: +$120,880

Raul Jr. Parra

Open Market Purchase

Change: +1,500

Price: $61.01

Shares: 58,843

Value: +$91,515

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Martha Goldberg Aronson	May 07	Open Market Purchase (P) Market Purchase	49,792	+2,000	$60.44	+$120,880
Raul Jr. Parra	May 07	Open Market Purchase (P) Market Purchase	58,843	+1,500	$61.01	+$91,515

May 05, 2026

Michel J. Voigt

Open Market Purchase

Change: +2,250

Price: $60.65

Shares: 2,265

Value: +$136,462

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Michel J. Voigt	May 07	Open Market Purchase (P) Market Purchase	2,265	+2,250	$60.65	+$136,462

February 26, 2026

Christian Adam Smith

Tax Payment

Change: -2,018

Price: $78.02

Shares: 30,334

Value: -$157,444

Christian Adam Smith

Grant/Award Acquisition

Change: +8,203

Price: $0.00

Shares: 19,181

Value: +$0

Neil W. Peterson

Tax Payment

Change: -6,061

Price: $78.02

Shares: 47,000

Value: -$472,879

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Christian Adam Smith	Mar 02	Tax Payment (F) Tax Payment	30,334	-2,018	$78.02	-$157,444
Christian Adam Smith	Mar 02	Grant/Award Acquisition (A) Compensation/Award	19,181	+8,203	$0.00	+$0
Neil W. Peterson	Mar 02	Tax Payment (F) Tax Payment	47,000	-6,061	$78.02	-$472,879