Boston Scientific Corp (BSX) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Boston Scientific's top three insider holders are Michael F Mahoney (Chairman, President Ceo, 1.58Mn shares), Daniel J. Brennan (Evp And Cfo, 225.81K shares), Joseph Michael Fitzgerald (Evp Group Pres, Cardiology, 213.91K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael F Mahoney Chairman, President Ceo 1,576,860 0 18 Feb, 2026
Daniel J. Brennan Evp And Cfo 225,808 0 19 Feb, 2025
Joseph Michael Fitzgerald Evp Group Pres, Cardiology 213,907 0 18 Feb, 2026
Michael F Mahoney Chairman, President Ceo 0 213,679 31 Oct, 2025
Maulik Nanavaty Svp Pres, Neuromodulation 177,258 0 02 Mar, 2022
David J Roux 73,591 0 05 May, 2023
Arthur C Butcher Evp Grp Pres, Medsurg Apac 55,792 0 18 Feb, 2026
John E Sununu 54,723 0 09 May, 2025
Vance R Brown Evp, Gc And Corp. Secretary 54,244 0 18 Feb, 2026
Edward F Mackey Evp, Operations 52,944 0 02 Mar, 2022
David S Wichmann 41,582 0 09 May, 2025
Jonathan Monson Evp And Cfo 37,986 0 18 Feb, 2026
Eric Francis Yves Thepaut Evp Pres, Eur, Mid East, Afr 31,422 0 13 May, 2024
Wendy Carruthers Evp, Human Resources 29,308 0 03 Dec, 2024
Ian T Meredith Evp Global Chief Med Officer 28,082 0 29 Mar, 2022
Nelda J Connors 0 27,246 30 Nov, 2022
Jeffrey B. Mirviss Evppres, Periph Intervent 25,766 0 25 Feb, 2025
Meghan Scanlon Svp,Pres,Urology Pelvic Health 24,461 0 02 May, 2022
Ellen M Zane 24,134 0 06 Nov, 2025
Jodi Euerle Eddy Svp, Chief Info Digital Off. 23,263 0 04 Apr, 2022
Arthur C Butcher Evp Grp Pres, Medsurg Apac 0 20,205 27 Feb, 2026
John Bradley Sorenson Evp, Global Operations 18,705 0 05 May, 2025
Edward J Ludwig 17,979 0 04 Aug, 2025
Miriam O'Sullivan Svp, Chief Hr Officer 17,302 0 18 Feb, 2026
Scott Olson Svp Pres, Crm, Diagnostics 14,518 0 01 Apr, 2022
Nelda J Connors 8,823 0 05 May, 2023
Jessica L Mega 8,235 0 09 May, 2025
Susan E Morano 6,663 0 04 Mar, 2026
Padraig Andrew O'Connor Evp, Global Operations 6,094 0 18 Feb, 2026
David C Habiger 5,628 0 09 May, 2025
Joseph Michael Fitzgerald Evp Group Pres, Cardiology 0 5,234 26 Feb, 2025
Charles J Dockendorff 2,901 0 10 May, 2024
Emily Woodworth Svp, Global Controller And Cao 2,859 0 03 Mar, 2026
Yoshiaki Fujimori 2,081 0 30 Jul, 2025
Miriam O'Sullivan Svp, Chief Hr Officer 0 1,731 18 Feb, 2025
Christophe Pierre Weber 879 0 04 Mar, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Mar, 2026 Cathy R Smith Deferred Stock Units A 556 $0.00 556 D A
02 Mar, 2026 Cheryl Pegus Deferred Stock Units A 24 $0.00 5,917 D A
02 Mar, 2026 Christophe Pierre Weber Common Stock A 556 $0.00 556 D A
02 Mar, 2026 Susan E Morano Common Stock A 24 $0.00 6,663 D A
02 Mar, 2026 Cathy R Smith Deferred Stock Units A 323 $0.00 879 D A
02 Mar, 2026 Christophe Pierre Weber Common Stock A 323 $0.00 879 D A
01 Mar, 2026 Emily Woodworth Common Stock A 838 $0.00 3,231 D M
01 Mar, 2026 Emily Woodworth Common Stock D 372 $76.85 2,859 D F
01 Mar, 2026 Emily Woodworth Restricted Stock Units D 838 $0.00 1,676 D M
19 Feb, 2026 Arthur C Butcher Common Stock A 6,851 $75.76 20,205 I I
13 Feb, 2026 Padraig Andrew O'Connor Common Stock A 500 $0.00 4,986 D M
13 Feb, 2026 Vance R Brown Common Stock A 14,804 $0.00 49,209 D A
13 Feb, 2026 Emily Woodworth Common Stock A 1,413 $0.00 2,364 D M
13 Feb, 2026 Joseph Michael Fitzgerald Common Stock A 34,898 $0.00 204,790 D A
13 Feb, 2026 Arthur C Butcher Common Stock A 25,380 $0.00 50,370 D A
13 Feb, 2026 Michael F Mahoney Common Stock A 132,190 $0.00 1,551,003 D A
13 Feb, 2026 Miriam O'Sullivan Common Stock A 588 $0.00 16,008 D M
13 Feb, 2026 Jonathan Monson Common Stock A 1,766 $0.00 37,636 D M
13 Feb, 2026 Michael F Mahoney Common Stock A 132,190 $0.00 1,683,193 D A
13 Feb, 2026 Emily Woodworth Common Stock D 690 $74.73 1,674 D F