BOSTON SCIENTIFIC CORP (BSX)

Latest Insider Confidence Score

2026Q1

44.6
Bearish

Company insider confidence (by quarter)

2020Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Boston Scientific Corp 10% Owner 1,488,106 Jul 14, 2021
Mahoney Michael F CEO 1,476,882 Oct 31, 2025
Roux David J — 73,591 May 5, 2023
Sununu John E — 54,723 May 9, 2025
Wichmann David S Director 41,582 May 9, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 2, 2026 Mar 4, 2026 Pegus Cheryl Director Neutral 52.5 - 0.00% ✗ -
Mar 2, 2026 Mar 4, 2026 Morano Susan E Director Neutral 60.0 +24 0.36% ✗ -
Mar 2, 2026 Mar 4, 2026 Weber Christophe Pierre Director Neutral 90.0 +879 100.00% ✗ -
Mar 2, 2026 Mar 4, 2026 Smith Cathy R Director Neutral 52.5 - 0.00% ✗ -
Mar 1, 2026 Mar 3, 2026 Woodworth Emily SVP, Global Controller and CAO Sell 26.3 -372 -11.51% ✗ $28.6K
Feb 19, 2026 Feb 27, 2026 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Buy 92.5 +6,851 9.91% ✗ $519K
Feb 24, 2026 Weber Christophe Pierre Director Neutral 52.5 - 0.00% ✗ -
Feb 24, 2026 Smith Cathy R Director Neutral 52.5 - 0.00% ✗ -
Feb 13, 2026 Feb 18, 2026 O'Connor Padraig Andrew EVP, Global Operations Sell 22.5 -987 -5.67% ✗ $73.8K
Feb 13, 2026 Feb 18, 2026 Woodworth Emily SVP, Global Controller and CAO Sell 22.5 -1,269 -17.21% ✗ $94.8K
Feb 13, 2026 Feb 18, 2026 Monson Jonathan CFO Sell 22.5 -1,698 -1.49% ✗ $126.9K
Feb 13, 2026 Feb 18, 2026 O'Sullivan Miriam SVP, Chief HR Officer Sell 22.5 -820 -1.57% ✗ $61.3K
Feb 13, 2026 Feb 18, 2026 Mahoney Michael F CEO Sell 90.0 +116,426 1.45% ✗ $11.1M
Feb 13, 2026 Feb 18, 2026 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 92.5 +32,896 3.13% ✗ $2.8M
Feb 13, 2026 Feb 18, 2026 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 95.0 +22,846 8.17% ✗ $2.1M
Feb 13, 2026 Feb 18, 2026 Brown Vance R EVP, GC and Corp. Secretary Sell 95.0 +15,031 5.82% ✗ $1.1M
Feb 12, 2026 Feb 17, 2026 O'Sullivan Miriam SVP, Chief HR Officer Sell 26.3 -338 -1.93% ✗ $25.1K
Feb 12, 2026 Feb 17, 2026 Woodworth Emily SVP, Global Controller and CAO Sell 26.3 -242 -20.28% ✗ $17.9K
Feb 12, 2026 Feb 17, 2026 O'Connor Padraig Andrew EVP, Global Operations Sell 26.3 -457 -9.25% ✗ $33.9K
Feb 12, 2026 Feb 17, 2026 Monson Jonathan CFO Sell 26.3 -573 -1.57% ✗ $42.5K
Feb 12, 2026 Feb 17, 2026 Mahoney Michael F CEO Sell 37.5 -6,626 -0.40% ✗ $491.1K
Feb 12, 2026 Feb 17, 2026 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 32.5 -1,612 -0.91% ✗ $119.5K
Feb 12, 2026 Feb 17, 2026 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 22.5 -1,302 -3.28% ✗ $96.5K
Feb 12, 2026 Feb 17, 2026 Brown Vance R EVP, GC and Corp. Secretary Sell 26.3 -488 -1.40% ✗ $36.2K
Feb 2, 2026 Feb 3, 2026 Mahoney Michael F CEO Sell 26.3 -160,901 -9.01% ✓ $15M
Dec 1, 2025 Dec 2, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 5.0 -17,313 -31.90% ✓ $1.8M
Nov 28, 2025 Dec 1, 2025 O'Sullivan Miriam SVP, Chief HR Officer Neutral 27.5 -260 -1.55% ✗ -
Nov 12, 2025 Nov 14, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Neutral 27.5 -10,300 -5.61% ✗ -
Nov 6, 2025 Nov 6, 2025 Zane Ellen M Director Sell 5.0 -12,891 -34.82% ✓ $1.3M
Nov 3, 2025 Nov 4, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 10.0 -50,000 -21.41% ✓ $5M
Oct 29, 2025 Oct 31, 2025 Mahoney Michael F CEO Neutral 67.5 +12,201 0.73% ✗ -
Oct 29, 2025 Oct 31, 2025 Zane Ellen M Director Neutral 90.0 +12,891 53.41% ✗ -
Oct 27, 2025 Oct 28, 2025 Zane Ellen M Director Sell 5.0 -12,891 -34.82% ✓ $1.3M
Oct 1, 2025 Oct 1, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 10.0 -50,000 -21.41% ✓ $4.9M
Sep 2, 2025 Sep 3, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 8.8 -50,000 -21.41% ✓ $5.3M
Aug 2, 2025 Aug 4, 2025 Monson Jonathan CFO Sell 22.5 -528 -1.47% ✗ $55.7K
Aug 1, 2025 Aug 4, 2025 LUDWIG EDWARD J Director Neutral 27.5 -500 -2.71% ✗ -
Aug 1, 2025 Aug 4, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 8.8 -50,000 -21.41% ✓ $5.2M
Aug 1, 2025 Aug 4, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 5.0 -17,313 -31.90% ✓ $1.8M
Jul 29, 2025 Jul 30, 2025 FUJIMORI YOSHIAKI Director Sell 20.0 -2,901 -58.23% ✗ $310.4K
Jul 25, 2025 Jul 28, 2025 LUDWIG EDWARD J Director Sell 20.0 -4,000 -17.79% ✗ $424.1K
Jul 1, 2025 Jul 2, 2025 Monson Jonathan CFO Neutral 52.5 - 0.00% ✗ -
Jul 1, 2025 Jul 2, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 8.8 -50,000 -21.41% ✓ $5.3M
Jul 1, 2025 Jul 2, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 22.5 -1,952 -5.51% ✗ $204.5K
Jun 30, 2025 Monson Jonathan CFO Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 4, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 8.8 -56,372 -23.49% ✓ $5.8M
Jun 2, 2025 Jun 3, 2025 Mahoney Michael F CEO Sell 21.3 -164,443 -8.92% ✓ $17.1M
May 29, 2025 May 30, 2025 LUDWIG EDWARD J Director Sell 20.0 -4,000 -15.11% ✗ $418.4K
May 21, 2025 May 22, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 22.5 -4,826 -13.33% ✓ $513.6K
May 8, 2025 May 9, 2025 Zane Ellen M Director Neutral 85.0 +2,081 5.96% ✗ -
May 8, 2025 May 9, 2025 WICHMANN DAVID S Director Neutral 85.0 +2,081 5.27% ✗ -
May 8, 2025 May 9, 2025 Sununu John E Director Neutral 82.5 +2,081 3.95% ✗ -
May 8, 2025 May 9, 2025 Pegus Cheryl Director Neutral 52.5 - 0.00% ✗ -
May 8, 2025 May 9, 2025 Morano Susan E Director Neutral 90.0 +2,686 67.95% ✗ -
May 8, 2025 May 9, 2025 Mega Jessica L Director Neutral 90.0 +2,081 33.82% ✗ -
May 8, 2025 May 9, 2025 LUDWIG EDWARD J Director Neutral 85.0 +2,081 8.53% ✗ -
May 8, 2025 May 9, 2025 Habiger David C Director Neutral 90.0 +2,081 58.67% ✗ -
May 8, 2025 May 9, 2025 FUJIMORI YOSHIAKI Director Neutral 90.0 +2,081 71.73% ✗ -
May 2, 2025 May 6, 2025 Sorenson John Bradley EVP, Global Operations Sell 7.5 -6,490 -25.76% ✓ $679.2K
May 2, 2025 May 6, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 22.5 -1,017 -2.70% ✗ $106.7K
May 1, 2025 May 5, 2025 Mahoney Michael F CEO Sell 21.3 -164,443 -8.65% ✓ $16.9M
May 1, 2025 May 5, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 5.0 -17,314 -32.72% ✓ $1.8M
Apr 21, 2025 Apr 22, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 22.5 -4,826 -11.77% ✓ $458.9K
Apr 1, 2025 Apr 2, 2025 Mahoney Michael F CEO Sell 21.3 -164,442 -8.39% ✓ $16.4M
Mar 21, 2025 Mar 24, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 22.5 -4,826 -10.53% ✓ $486.7K
Mar 3, 2025 Mar 5, 2025 Woodworth Emily SVP, Global Controller and CAO Sell 7.5 -7,631 -94.64% ✓ $800.9K
Feb 28, 2025 Mar 3, 2025 Woodworth Emily SVP, Global Controller and CAO Sell 5.0 -10,242 -73.22% ✓ $1M
Feb 24, 2025 Feb 26, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Neutral 37.5 -1,700 -0.92% ✗ -
Feb 24, 2025 Feb 25, 2025 Mirviss Jeffrey B. EVP&Pres, Periph Intervent Sell 12.5 -7,363 -22.23% ✓ $766.9K
Feb 24, 2025 Feb 24, 2025 Zane Ellen M Director Sell 5.0 -13,586 -28.00% ✓ $1.4M
Feb 21, 2025 Feb 21, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 26.3 -4,826 -9.52% ✓ $505K
Feb 20, 2025 Feb 21, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Neutral 37.5 -1,000 -0.54% ✗ -
Feb 18, 2025 Feb 19, 2025 Sorenson John Bradley EVP, Global Operations Sell 12.5 -5,960 -22.11% ✓ $624.9K
Feb 19, 2025 Feb 19, 2025 Mirviss Jeffrey B. EVP&Pres, Periph Intervent Sell 37.5 -1,510 -4.36% ✓ $159.1K
Feb 18, 2025 Feb 19, 2025 Brennan Daniel J. CFO Sell 18.8 -84,863 -10.73% ✓ $8.9M
Feb 14, 2025 Feb 18, 2025 Woodworth Emily SVP, Global Controller and CAO Sell 22.5 -869 -6.88% ✗ $92.2K
Feb 14, 2025 Feb 18, 2025 Sorenson John Bradley EVP, Global Operations Sell 35.0 -3,431 -3.16% ✓ $364.3K
Feb 14, 2025 Feb 18, 2025 O'Sullivan Miriam SVP, Chief HR Officer Sell 22.5 -1,019 -2.11% ✗ $108.1K
Feb 14, 2025 Feb 18, 2025 Mirviss Jeffrey B. EVP&Pres, Periph Intervent Sell 20.0 -4,142 -4.03% ✗ $439.5K
Feb 14, 2025 Feb 18, 2025 Mahoney Michael F CEO Sell 35.0 -24,720 -0.48% ✗ $2.6M
Feb 14, 2025 Feb 18, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 20.0 -5,853 -1.07% ✗ $621.1K
Feb 14, 2025 Feb 18, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 20.0 -4,080 -5.11% ✗ $432.9K
Feb 14, 2025 Feb 18, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 22.5 -2,269 -1.49% ✗ $240.8K
Feb 14, 2025 Feb 18, 2025 Brennan Daniel J. CFO Sell 30.0 -6,379 -0.85% ✗ $676.9K
Feb 12, 2025 Feb 14, 2025 Woodworth Emily SVP, Global Controller and CAO Sell 26.3 -231 -6.72% ✗ $24.4K
Feb 12, 2025 Feb 14, 2025 Sorenson John Bradley EVP, Global Operations Sell 22.5 -530 -2.04% ✗ $56.1K
Feb 12, 2025 Feb 14, 2025 O'Sullivan Miriam SVP, Chief HR Officer Sell 26.3 -361 -2.49% ✗ $38.2K
Feb 12, 2025 Feb 14, 2025 Mahoney Michael F CEO Sell 37.5 -6,626 -0.36% ✗ $700.8K
Feb 12, 2025 Feb 14, 2025 Mirviss Jeffrey B. EVP&Pres, Periph Intervent Sell 22.5 -868 -2.84% ✗ $91.8K
Feb 12, 2025 Feb 14, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 32.5 -1,579 -0.87% ✗ $167K
Feb 12, 2025 Feb 14, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 22.5 -950 -2.96% ✗ $100.5K
Feb 12, 2025 Feb 14, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 36.3 -424 -0.87% ✗ $44.8K
Feb 12, 2025 Feb 14, 2025 Brennan Daniel J. CFO Sell 32.5 -1,767 -0.72% ✗ $186.9K
Feb 11, 2025 Feb 13, 2025 Sorenson John Bradley EVP, Global Operations Sell 23.8 -2,156 -8.15% ✓ $1.1M
Feb 11, 2025 Feb 13, 2025 Mirviss Jeffrey B. EVP&Pres, Periph Intervent Sell 48.8 - 0.00% ✓ $2.5M
Feb 11, 2025 Feb 13, 2025 Mahoney Michael F CEO Sell 93.8 +67,203 3.83% ✗ $6.7M
Dec 3, 2024 Feb 13, 2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology Sell 92.5 +17,263 2.68% ✗ $1.5M
Feb 11, 2025 Feb 13, 2025 Butcher Arthur C EVP& Grp Pres, MedSurg & APAC Sell 100.0 +10,519 55.76% ✗ $1M
Feb 11, 2025 Feb 13, 2025 Brown Vance R SVP, GC and Corp. Secretary Sell 97.5 +8,358 21.50% ✗ $673K
Feb 11, 2025 Feb 13, 2025 Brennan Daniel J. CFO Sell 70.0 +2,443 0.33% ✓ $3.3M