Boston Scientific Corp (BSX) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Boston Scientific are Chairman And President & Ceo Michael F Mahoney (1.63Mn shares), Evp And Cfo Daniel J. Brennan (225.81K shares), Svp & Pres And Neuromodulation Maulik Nanavaty (177.26K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Michael F Mahoney Chairman And President & Ceo 1,632,492 17 Feb, 2026
Daniel J. Brennan Evp And Cfo 225,808 19 Feb, 2025
Maulik Nanavaty Svp & Pres And Neuromodulation 177,258 02 Mar, 2022
Joseph Michael Fitzgerald Evp & Group Pres And Cardiology 175,126 17 Feb, 2026
David J Roux 73,591 05 May, 2023
John E Sununu 54,723 09 May, 2025
Edward F Mackey Evp And Operations 52,944 02 Mar, 2022
David S Wichmann 41,582 09 May, 2025
Arthur C Butcher Evp& Grp Pres And Medsurg & Apac 38,371 17 Feb, 2026
Nelda J Connors 36,069 05 May, 2023
Jonathan Monson Evp And Cfo 35,870 17 Feb, 2026
Vance R Brown Evp And Gc And Corp. Secretary 34,405 17 Feb, 2026
Eric Francis Yves Thepaut Evp & Pres And Eur And Mid East And Afr 31,422 13 May, 2024
Wendy Carruthers Evp And Human Resources 29,308 04 Dec, 2024
Ian T Meredith Evp Global Chief Med Officer 28,082 29 Mar, 2022
Jeffrey B. Mirviss Evp&Pres And Periph Intervent 25,766 25 Feb, 2025
Meghan Scanlon Svp Andpres Andurology Pelvic Health 24,461 02 May, 2022
Ellen M Zane 24,134 06 Nov, 2025
Jodi Euerle Eddy Svp And Chief Info & Digital Off. 23,263 04 Apr, 2022
John Bradley Sorenson Evp And Global Operations 18,705 06 May, 2025
Edward J Ludwig 17,979 04 Aug, 2025
Miriam O'Sullivan Svp And Chief Hr Officer 17,151 17 Feb, 2026
Scott Olson Svp & Pres And Crm And Diagnostics 14,518 01 Apr, 2022
Jessica L Mega 8,235 09 May, 2025
Susan E Morano 6,639 09 May, 2025
David C Habiger 5,628 09 May, 2025
Padraig Andrew O'Connor Evp And Global Operations 4,486 17 Feb, 2026
Charles J Dockendorff 2,901 13 May, 2024
Yoshiaki Fujimori 2,081 30 Jul, 2025
Emily Woodworth Svp And Global Controller And Cao 951 17 Feb, 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
12 Feb, 2026 Joseph Michael Fitzgerald Common Stock A 3,462 $0.00 171,504 D M
12 Feb, 2026 Joseph Michael Fitzgerald Common Stock D 1,612 $74.12 169,892 D F
12 Feb, 2026 Michael F Mahoney Common Stock D 6,626 $74.12 1,418,813 D F
12 Feb, 2026 Michael F Mahoney Common Stock A 13,704 $0.00 1,425,439 D M
12 Feb, 2026 Arthur C Butcher Common Stock D 1,302 $74.12 24,990 D F
12 Feb, 2026 Arthur C Butcher Common Stock A 2,692 $0.00 26,292 D M
12 Feb, 2026 Jonathan Monson Common Stock D 573 $74.12 35,870 D F
12 Feb, 2026 Jonathan Monson Common Stock A 1,154 $0.00 36,443 D M
12 Feb, 2026 Vance R Brown Common Stock D 488 $74.12 34,405 D F
12 Feb, 2026 Vance R Brown Common Stock A 1,442 $0.00 34,893 D M
12 Feb, 2026 Emily Woodworth Common Stock A 481 $0.00 1,193 D M
12 Feb, 2026 Emily Woodworth Common Stock D 242 $74.12 951 D F
12 Feb, 2026 Miriam O'Sullivan Common Stock D 338 $74.12 15,420 D F
12 Feb, 2026 Miriam O'Sullivan Common Stock A 961 $0.00 15,758 D M
12 Feb, 2026 Padraig Andrew O'Connor Common Stock A 1,058 $0.00 4,943 D M
12 Feb, 2026 Padraig Andrew O'Connor Common Stock D 457 $74.12 4,486 D F
02 Feb, 2026 Michael F Mahoney Common Stock D 1,200 $94.06 1,571,436 D S
02 Feb, 2026 Michael F Mahoney Common Stock A 49,407 $24.55 1,526,289 D M
02 Feb, 2026 Michael F Mahoney Common Stock D 159,701 $93.49 1,411,735 D S
02 Feb, 2026 Michael F Mahoney Common Stock A 46,347 $27.09 1,572,636 D M