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$BSX

$45.76 -$0.97 (2.08%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Daniel J. Brennan

225,808 shares

Net: 0 B/S: -

Joseph Michael Fitzgerald

213,907 shares

Net: +135,542 B/S: 6.47

Maulik Nanavaty

177,258 shares

Net: 0 B/S: -

DAVID J ROUX

73,591 shares

Net: 0 B/S: -

Arthur C Butcher

57,894 shares

Net: +19,575 B/S: 3.88

John E Sununu

54,723 shares

Net: 0 B/S: -

Vance R Brown

54,244 shares

Net: +13,409 B/S: ∞

Edward F Mackey

52,944 shares

Net: 0 B/S: -

DAVID S WICHMANN

45,382 shares

Net: +3,800 B/S: ∞

Jonathan Monson

37,986 shares

Net: +15,064 B/S: ∞

Eric Francis Yves Thepaut

31,422 shares

Net: 0 B/S: -

Wendy Carruthers

29,308 shares

Net: 0 B/S: -

DONNA JAMES

28,124 shares

Net: 0 B/S: -

Ian T Meredith

28,082 shares

Net: 0 B/S: -

Ellen M Zane

27,934 shares

Net: -9,091 B/S: 0.65

Jeffrey B. Mirviss

25,766 shares

Net: 0 B/S: -

EDWARD J LUDWIG

25,359 shares

Net: +7,380 B/S: ∞

Meghan Scanlon

24,461 shares

Net: 0 B/S: -

Jodi Euerle Eddy

23,263 shares

Net: 0 B/S: -

John Bradley Sorenson

18,705 shares

Net: 0 B/S: -

Miriam O'Sullivan

17,302 shares

Net: +6,967 B/S: ∞

Scott Olson

14,518 shares

Net: 0 B/S: -

David C Habiger

13,878 shares

Net: +8,250 B/S: ∞

Jessica L Mega

12,035 shares

Net: +3,800 B/S: ∞

Susan E Morano

10,463 shares

Net: +3,824 B/S: ∞

Nelda J Connors

8,823 shares

Net: 0 B/S: -

Padraig Andrew O'Connor

7,896 shares

Net: +8,198 B/S: ∞

Desiree Ralls-Morrison

6,041 shares

Net: 0 B/S: -

Cathy R Smith

4,679 shares

Net: +4,356 B/S: ∞

Charles J Dockendorff

2,901 shares

Net: 0 B/S: -

Emily Woodworth

2,859 shares

Net: +8,218 B/S: ∞

Christophe Pierre Weber

2,646 shares

Net: +2,323 B/S: ∞

YOSHIAKI FUJIMORI

2,081 shares

Net: 0 B/S: -

Cheryl Pegus

1,770 shares

Net: +5,594 B/S: ∞

Michael F Mahoney

0 shares

Net: -311,756 B/S: 317.31

David A Pierce

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Daniel J. Brennan	225,808	0	-
Joseph Michael Fitzgerald	213,907	+135,542	6.47
Maulik Nanavaty	177,258	0	-
DAVID J ROUX	73,591	0	-
Arthur C Butcher	57,894	+19,575	3.88
John E Sununu	54,723	0	-
Vance R Brown	54,244	+13,409	∞
Edward F Mackey	52,944	0	-
DAVID S WICHMANN	45,382	+3,800	∞
Jonathan Monson	37,986	+15,064	∞
Eric Francis Yves Thepaut	31,422	0	-
Wendy Carruthers	29,308	0	-
DONNA JAMES	28,124	0	-
Ian T Meredith	28,082	0	-
Ellen M Zane	27,934	-9,091	0.65
Jeffrey B. Mirviss	25,766	0	-
EDWARD J LUDWIG	25,359	+7,380	∞
Meghan Scanlon	24,461	0	-
Jodi Euerle Eddy	23,263	0	-
John Bradley Sorenson	18,705	0	-
Miriam O'Sullivan	17,302	+6,967	∞
Scott Olson	14,518	0	-
David C Habiger	13,878	+8,250	∞
Jessica L Mega	12,035	+3,800	∞
Susan E Morano	10,463	+3,824	∞
Nelda J Connors	8,823	0	-
Padraig Andrew O'Connor	7,896	+8,198	∞
Desiree Ralls-Morrison	6,041	0	-
Cathy R Smith	4,679	+4,356	∞
Charles J Dockendorff	2,901	0	-
Emily Woodworth	2,859	+8,218	∞
Christophe Pierre Weber	2,646	+2,323	∞
YOSHIAKI FUJIMORI	2,081	0	-
Cheryl Pegus	1,770	+5,594	∞
Michael F Mahoney	0	-311,756	317.31
David A Pierce	0	0	-

Individual Transactions

May 28, 2026

Michael F Mahoney

Gift

Change: -386,755

Price: $0.00

Shares: 0

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Michael F Mahoney	Jun 01	Gift (G) Non-Market Transfer	0	-386,755	$0.00	-$0

May 20, 2026

EDWARD J LUDWIG

Open Market Purchase

Change: +3,580

Price: $56.68

Shares: 25,359

Value: +$202,914

David C Habiger

Open Market Purchase

Change: +2,250

Price: $55.92

Shares: 13,878

Value: +$125,818

Cheryl Pegus

Open Market Purchase

Change: +1,770

Price: $56.49

Shares: 1,770

Value: +$99,987

Insider	Filing Date	Transaction	Shares	Change	Price	Value
EDWARD J LUDWIG	May 21	Open Market Purchase (P) Market Purchase	25,359	+3,580	$56.68	+$202,914
David C Habiger	May 21	Open Market Purchase (P) Market Purchase	13,878	+2,250	$55.92	+$125,818
Cheryl Pegus	May 21	Open Market Purchase (P) Market Purchase	1,770	+1,770	$56.49	+$99,987

May 19, 2026

David C Habiger

Open Market Purchase

Change: +2,200

Price: $56.95

Shares: 11,628

Value: +$125,279

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David C Habiger	May 21	Open Market Purchase (P) Market Purchase	11,628	+2,200	$56.95	+$125,279

May 07, 2026

EDWARD J LUDWIG

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 21,779

Value: +$0

DAVID S WICHMANN

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 45,382

Value: +$0

Cathy R Smith

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 4,679

Value: +$0

David C Habiger

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 9,428

Value: +$0

Ellen M Zane

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 27,934

Value: +$0

Cheryl Pegus

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 9,717

Value: +$0

Christophe Pierre Weber

Grant/Award Acquisition

Change: +1,767

Price: $0.00

Shares: 2,646

Value: +$0

Jessica L Mega

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 12,035

Value: +$0

Susan E Morano

Grant/Award Acquisition

Change: +3,800

Price: $0.00

Shares: 10,463

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
EDWARD J LUDWIG	May 11	Grant/Award Acquisition (A) Compensation/Award	21,779	+3,800	$0.00	+$0
DAVID S WICHMANN	May 11	Grant/Award Acquisition (A) Compensation/Award	45,382	+3,800	$0.00	+$0
Cathy R Smith	May 11	Grant/Award Acquisition (A) Compensation/Award	4,679	+3,800	$0.00	+$0
David C Habiger	May 11	Grant/Award Acquisition (A) Compensation/Award	9,428	+3,800	$0.00	+$0
Ellen M Zane	May 11	Grant/Award Acquisition (A) Compensation/Award	27,934	+3,800	$0.00	+$0
Cheryl Pegus	May 11	Grant/Award Acquisition (A) Compensation/Award	9,717	+3,800	$0.00	+$0
Christophe Pierre Weber	May 11	Grant/Award Acquisition (A) Compensation/Award	2,646	+1,767	$0.00	+$0
Jessica L Mega	May 11	Grant/Award Acquisition (A) Compensation/Award	12,035	+3,800	$0.00	+$0
Susan E Morano	May 11	Grant/Award Acquisition (A) Compensation/Award	10,463	+3,800	$0.00	+$0

May 02, 2026

Arthur C Butcher

Tax Payment

Change: -1,007

Price: $56.50

Shares: 56,887

Value: -$56,895

Arthur C Butcher

Option Exercise/Conversion

Change: +2,102

Price: $0.00

Shares: 57,894

Value: +$0

Padraig Andrew O'Connor

Tax Payment

Change: -872

Price: $56.50

Shares: 7,024

Value: -$49,268

Padraig Andrew O'Connor

Option Exercise/Conversion

Change: +1,802

Price: $0.00

Shares: 7,896

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Arthur C Butcher	May 04	Tax Payment (F) Tax Payment	56,887	-1,007	$56.50	-$56,895
Arthur C Butcher	May 04	Option Exercise/Conversion (M) Compensation/Award	57,894	+2,102	$0.00	+$0
Padraig Andrew O'Connor	May 04	Tax Payment (F) Tax Payment	7,024	-872	$56.50	-$49,268
Padraig Andrew O'Connor	May 04	Option Exercise/Conversion (M) Compensation/Award	7,896	+1,802	$0.00	+$0

March 02, 2026

Cathy R Smith

Grant/Award Acquisition

Change: +556

Price: $0.00

Shares: 556

Value: +$0

Christophe Pierre Weber

Grant/Award Acquisition

Change: +556

Price: $0.00

Shares: 556

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Cathy R Smith	Mar 04	Grant/Award Acquisition (A) Compensation/Award	556	+556	$0.00	+$0
Christophe Pierre Weber	Mar 04	Grant/Award Acquisition (A) Compensation/Award	556	+556	$0.00	+$0