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$MTSI

$257.00 +$5.56 (2.21%)

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Insider Transactions

Insider Transaction Summary

JOHN L OCAMPO

8,493,040 shares

Net: 0 B/S: -

SUSAN OCAMPO

3,585,430 shares

Net: -2,464,435 B/S: -

Investors I (UK), L.P. Summit

3,515,938 shares

Net: 0 B/S: -

MASTER COMPANY, LLC SUMMIT

3,515,938 shares

Net: 0 B/S: -

John Croteau

132,275 shares

Net: 0 B/S: -

Vivek Rajgarhia

85,247 shares

Net: 0 B/S: -

Preetinder S. Virk

67,559 shares

Net: 0 B/S: -

Dong Hyun Hwang

65,950 shares

Net: 0 B/S: -

Stephen G Daly

52,717 shares

Net: +66,293 B/S: 37.38

ROBERT MCMULLAN

52,561 shares

Net: 0 B/S: -

Alex Behfar

50,329 shares

Net: 0 B/S: -

John Kober

48,116 shares

Net: +26,590 B/S: 13.41

LUNSEN GIL J VAN

37,806 shares

Net: 0 B/S: -

Donghyun Thomas Hwang

34,671 shares

Net: +17,322 B/S: 10.21

Michael T. Murphy

34,380 shares

Net: 0 B/S: -

Wayne Mack Struble

29,384 shares

Net: +13,074 B/S: ∞

Ambra R. Roth

25,096 shares

Net: +18,532 B/S: 20.37

Conor Noel Hegarty

23,658 shares

Net: 0 B/S: -

John Francis Kennedy

19,153 shares

Net: 0 B/S: -

Walter Gregory Baker

17,550 shares

Net: 0 B/S: -

CHARLES R BLAND

13,638 shares

Net: -7,124 B/S: 0.11

Robert Dennehy

13,010 shares

Net: +15,676 B/S: 4.65

GEOFFREY G RIBAR

12,563 shares

Net: -3,091 B/S: 0.2

John Ritchie

9,466 shares

Net: -797 B/S: 0.49

Jihye Whang Rosenband

7,165 shares

Net: -824 B/S: 0.49

PETER Y CHUNG

6,781 shares

Net: -42,492 B/S: 0.02

DOUGLAS J CARLSON

6,078 shares

Net: 0 B/S: -

Murugesan Shanmugaraj

5,214 shares

Net: -624 B/S: ∞

Bryan Ingram

1,747 shares

Net: +1,747 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
JOHN L OCAMPO	8,493,040	0	-
SUSAN OCAMPO	3,585,430	-2,464,435	-
Investors I (UK), L.P. Summit	3,515,938	0	-
MASTER COMPANY, LLC SUMMIT	3,515,938	0	-
John Croteau	132,275	0	-
Vivek Rajgarhia	85,247	0	-
Preetinder S. Virk	67,559	0	-
Dong Hyun Hwang	65,950	0	-
Stephen G Daly	52,717	+66,293	37.38
ROBERT MCMULLAN	52,561	0	-
Alex Behfar	50,329	0	-
John Kober	48,116	+26,590	13.41
LUNSEN GIL J VAN	37,806	0	-
Donghyun Thomas Hwang	34,671	+17,322	10.21
Michael T. Murphy	34,380	0	-
Wayne Mack Struble	29,384	+13,074	∞
Ambra R. Roth	25,096	+18,532	20.37
Conor Noel Hegarty	23,658	0	-
John Francis Kennedy	19,153	0	-
Walter Gregory Baker	17,550	0	-
CHARLES R BLAND	13,638	-7,124	0.11
Robert Dennehy	13,010	+15,676	4.65
GEOFFREY G RIBAR	12,563	-3,091	0.2
John Ritchie	9,466	-797	0.49
Jihye Whang Rosenband	7,165	-824	0.49
PETER Y CHUNG	6,781	-42,492	0.02
DOUGLAS J CARLSON	6,078	0	-
Murugesan Shanmugaraj	5,214	-624	∞
Bryan Ingram	1,747	+1,747	∞

Individual Transactions

May 29, 2026

Stephen G Daly

Open Market Sale

Change: -1,500

Price: $358.44

Shares: 52,717

Value: -$537,660

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephen G Daly	Jun 02	Open Market Sale (S) Market Sale	52,717	-1,500	$358.44	-$537,660

May 19, 2026

Murugesan Shanmugaraj

Gift

Change: -1,400

Price: $0.00

Shares: 5,214

Value: -$0

CHARLES R BLAND

Gift

Change: -300

Price: $0.00

Shares: 13,638

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Murugesan Shanmugaraj	May 21	Gift (G) Non-Market Transfer	5,214	-1,400	$0.00	-$0
CHARLES R BLAND	May 20	Gift (G) Non-Market Transfer	13,638	-300	$0.00	-$0

May 18, 2026

Donghyun Thomas Hwang

Open Market Sale

Change: -300

Price: $353.32

Shares: 34,671

Value: -$105,996

John Kober

Open Market Sale

Change: -500

Price: $352.79

Shares: 48,116

Value: -$176,395

CHARLES R BLAND

Gift

Change: -400

Price: $0.00

Shares: 13,938

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Donghyun Thomas Hwang	May 20	Open Market Sale (S) Market Sale	34,671	-300	$353.32	-$105,996
John Kober	May 20	Open Market Sale (S) Market Sale	48,116	-500	$352.79	-$176,395
CHARLES R BLAND	May 20	Gift (G) Non-Market Transfer	13,938	-400	$0.00	-$0

May 15, 2026

John Kober

Grant/Award Acquisition

Change: +108

Price: $138.13

Shares: 48,616

Value: +$14,918

Donghyun Thomas Hwang

Grant/Award Acquisition

Change: +85

Price: $138.13

Shares: 34,971

Value: +$11,741

Robert Dennehy

Grant/Award Acquisition

Change: +146

Price: $138.13

Shares: 13,010

Value: +$20,166

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John Kober	May 20	Grant/Award Acquisition (A) Compensation/Award	48,616	+108	$138.13	+$14,918
Donghyun Thomas Hwang	May 20	Grant/Award Acquisition (A) Compensation/Award	34,971	+85	$138.13	+$11,741
Robert Dennehy	May 20	Grant/Award Acquisition (A) Compensation/Award	13,010	+146	$138.13	+$20,166

May 14, 2026

PETER Y CHUNG

Open Market Sale

Change: -43,268

Price: $378.20

Shares: 6,781

Value: -$16,363,922

Insider	Filing Date	Transaction	Shares	Change	Price	Value
PETER Y CHUNG	May 18	Open Market Sale (S) Market Sale	6,781	-43,268	$378.20	-$16,363,922

May 13, 2026

CHARLES R BLAND

Open Market Sale

Change: -800

Price: $380.00

Shares: 14,338

Value: -$304,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
CHARLES R BLAND	May 15	Open Market Sale (S) Market Sale	14,338	-800	$380.00	-$304,000

May 11, 2026

GEOFFREY G RIBAR

Open Market Sale

Change: -1,623

Price: $361.84

Shares: 12,563

Value: -$587,266

Insider	Filing Date	Transaction	Shares	Change	Price	Value
GEOFFREY G RIBAR	May 13	Open Market Sale (S) Market Sale	12,563	-1,623	$361.84	-$587,266

April 30, 2026

Donghyun Thomas Hwang

Open Market Sale

Change: -100

Price: $271.40

Shares: 38,504

Value: -$27,140

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Donghyun Thomas Hwang	May 04	Open Market Sale (S) Market Sale	38,504	-100	$271.40	-$27,140

March 06, 2026

Murugesan Shanmugaraj

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 6,614

Value: +$0

Jihye Whang Rosenband

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 7,165

Value: +$0

Bryan Ingram

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 1,747

Value: +$0

John Ritchie

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 9,466

Value: +$0

CHARLES R BLAND

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 15,138

Value: +$0

GEOFFREY G RIBAR

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 14,186

Value: +$0

PETER Y CHUNG

Grant/Award Acquisition

Change: +776

Price: $0.00

Shares: 50,049

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Murugesan Shanmugaraj	Mar 10	Grant/Award Acquisition (A) Compensation/Award	6,614	+776	$0.00	+$0
Jihye Whang Rosenband	Mar 10	Grant/Award Acquisition (A) Compensation/Award	7,165	+776	$0.00	+$0
Bryan Ingram	Mar 10	Grant/Award Acquisition (A) Compensation/Award	1,747	+776	$0.00	+$0
John Ritchie	Mar 10	Grant/Award Acquisition (A) Compensation/Award	9,466	+776	$0.00	+$0
CHARLES R BLAND	Mar 10	Grant/Award Acquisition (A) Compensation/Award	15,138	+776	$0.00	+$0
GEOFFREY G RIBAR	Mar 10	Grant/Award Acquisition (A) Compensation/Award	14,186	+776	$0.00	+$0
PETER Y CHUNG	Mar 09	Grant/Award Acquisition (A) Compensation/Award	50,049	+776	$0.00	+$0