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Are Boston Scientific Insiders Buying or Selling?
Boston Scientific (BSX) has had 5 insider transactions in the past 90 days, all buys — insider buying is generally read as a bullish signal. The most recent was David Habiger, who bought 2,100 shares at $47.59 on August 5, 2026.
Insider trading patterns can signal confidence or concern from the people who know the company best. AltIndex tracks insider transactions as one of 25+ alternative data signals in the BSX AI Score. For government officials trading this stock, see BSX congressional trading.
Who’s Trading Boston Scientific Stock?
| Insider | Activity | Trades | Last Trade |
|---|---|---|---|
| Michael Mahoney | Sold $106M | 13 | Aug 3, 2026 |
| Fitzgerald Joseph Michael | Sold $44M | 14 | Nov 3, 2025 |
| Daniel Brennan | Sold $11M | 5 | Feb 19, 2025 |
| Arthur Butcher | Sold $9.5M | 7 | Dec 1, 2025 |
| Sorenson John Bradley | Sold $5.8M | 9 | May 5, 2025 |
| Ellen Zane | Sold $4M | 4 | Nov 6, 2025 |
Recent Boston Scientific Insider Transactions
| Insider | Transaction Date | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| David Habiger | Aug 5, 2026 | Buy | 2,100 | $47.59 | $100,000 |
| David Habiger | Aug 4, 2026 | Buy | 140 | $48.59 | $6,800 |
| Michael Mahoney | Aug 3, 2026 | Buy | 186,240 | $48.33 | $9M |
| David Habiger | Aug 3, 2026 | Buy | 1,042 | $48.07 | $50,000 |
| EDWARD LUDWIG | Jul 31, 2026 | Buy | 5,000 | $45.48 | $230,000 |
| Cheryl Pegus | May 20, 2026 | Buy | 1,770 | $56.49 | $100,000 |
| EDWARD LUDWIG | May 20, 2026 | Buy | 3,580 | $56.68 | $200,000 |
| David Habiger | May 20, 2026 | Buy | 2,250 | $55.92 | $130,000 |
| David Habiger | May 19, 2026 | Buy | 2,200 | $56.95 | $130,000 |
| Michael Mahoney | Feb 2, 2026 | Sell | 159,701 | $93.49 | $15M |
| Michael Mahoney | Feb 2, 2026 | Sell | 1,200 | $94.06 | $110,000 |
| Arthur Butcher | Dec 1, 2025 | Sell | 17,313 | $101.55 | $1.8M |
| Ellen Zane | Nov 6, 2025 | Sell | 12,891 | $98.28 | $1.3M |
| Fitzgerald Joseph Michael | Nov 3, 2025 | Sell | 29,472 | $99.14 | $2.9M |
| Fitzgerald Joseph Michael | Nov 3, 2025 | Sell | 16,928 | $99.76 | $1.7M |
| Fitzgerald Joseph Michael | Nov 3, 2025 | Sell | 3,600 | $100.75 | $360,000 |
| Ellen Zane | Oct 28, 2025 | Sell | 2,901 | $102.24 | $300,000 |
| Ellen Zane | Oct 27, 2025 | Sell | 9,990 | $101.13 | $1M |
| Fitzgerald Joseph Michael | Oct 1, 2025 | Sell | 41,755 | $98.38 | $4.1M |
| Fitzgerald Joseph Michael | Oct 1, 2025 | Sell | 8,245 | $98.91 | $820,000 |
| Fitzgerald Joseph Michael | Sep 2, 2025 | Sell | 28,170 | $105.85 | $3M |
| Fitzgerald Joseph Michael | Sep 2, 2025 | Sell | 21,830 | $104.89 | $2.3M |
| Fitzgerald Joseph Michael | Aug 1, 2025 | Sell | 50,000 | $104.63 | $5.2M |
| Arthur Butcher | Aug 1, 2025 | Sell | 17,313 | $104.63 | $1.8M |
| YOSHIAKI FUJIMORI | Jul 29, 2025 | Sell | 2,901 | $106.99 | $310,000 |
| EDWARD LUDWIG | Jul 25, 2025 | Sell | 4,000 | $106.03 | $420,000 |
| Fitzgerald Joseph Michael | Jul 1, 2025 | Sell | 50,000 | $106.97 | $5.3M |
| Fitzgerald Joseph Michael | Jun 4, 2025 | Sell | 56,372 | $102.88 | $5.8M |
| Michael Mahoney | Jun 2, 2025 | Sell | 89,921 | $103.39 | $9.3M |
| Michael Mahoney | Jun 2, 2025 | Sell | 74,522 | $104.05 | $7.8M |
| EDWARD LUDWIG | May 29, 2025 | Sell | 4,000 | $104.59 | $420,000 |
| Vance Brown | May 21, 2025 | Sell | 4,826 | $106.42 | $510,000 |
| Sorenson John Bradley | May 5, 2025 | Sell | 4,572 | $104.54 | $480,000 |
| Michael Mahoney | May 1, 2025 | Sell | 91,282 | $102.13 | $9.3M |
| Michael Mahoney | May 1, 2025 | Sell | 73,161 | $102.92 | $7.5M |
| Arthur Butcher | May 1, 2025 | Sell | 17,314 | $102.06 | $1.8M |
| Vance Brown | Apr 21, 2025 | Sell | 4,826 | $95.09 | $460,000 |
| Michael Mahoney | Apr 1, 2025 | Sell | 164,442 | $100.01 | $16M |
| Vance Brown | Mar 21, 2025 | Sell | 4,826 | $100.85 | $490,000 |
| Emily Woodworth | Mar 4, 2025 | Sell | 482 | $104.63 | $50,000 |
| Emily Woodworth | Mar 3, 2025 | Sell | 7,149 | $104.97 | $750,000 |
| Emily Woodworth | Feb 28, 2025 | Sell | 9,887 | $101.13 | $1,000,000 |
| Jeffrey Mirviss | Feb 25, 2025 | Sell | 2,688 | $104 | $280,000 |
| Ellen Zane | Feb 24, 2025 | Sell | 13,586 | $104.23 | $1.4M |
| Jeffrey Mirviss | Feb 24, 2025 | Sell | 4,675 | $104.25 | $490,000 |
| Vance Brown | Feb 21, 2025 | Sell | 4,826 | $104.64 | $500,000 |
| Daniel Brennan | Feb 19, 2025 | Sell | 67,333 | $105.24 | $7.1M |
| Sorenson John Bradley | Feb 19, 2025 | Sell | 3,303 | $105.19 | $350,000 |
| Jeffrey Mirviss | Feb 19, 2025 | Sell | 1,510 | $105.35 | $160,000 |
| Daniel Brennan | Feb 18, 2025 | Sell | 14,630 | $104.67 | $1.5M |
| Sorenson John Bradley | Feb 18, 2025 | Sell | 2,657 | $104.41 | $280,000 |
| Daniel Brennan | Feb 18, 2025 | Sell | 2,900 | $104.08 | $300,000 |
| Sorenson John Bradley | Feb 14, 2025 | Sell | 1,201 | $106.31 | $130,000 |
| Jeffrey Mirviss | Feb 12, 2025 | Sell | 13,022 | $105.06 | $1.4M |
| Daniel Brennan | Feb 12, 2025 | Sell | 15,087 | $105.07 | $1.6M |
| Sorenson John Bradley | Feb 12, 2025 | Sell | 6,389 | $105.06 | $670,000 |
| EDWARD LUDWIG | Feb 11, 2025 | Sell | 12,000 | $105.48 | $1.3M |
| Sorenson John Bradley | Feb 7, 2025 | Sell | 6,528 | $104.97 | $690,000 |
| Arthur Butcher | Feb 3, 2025 | Sell | 8,805 | $102.14 | $900,000 |
| Arthur Butcher | Feb 3, 2025 | Sell | 8,508 | $101.45 | $860,000 |
| Sorenson John Bradley | Jan 3, 2025 | Sell | 2,342 | $89.86 | $210,000 |
| Jeffrey Mirviss | Jan 3, 2025 | Sell | 7,152 | $89.86 | $640,000 |
| Daniel Brennan | Jan 3, 2025 | Sell | 9,689 | $89.86 | $870,000 |
| Sorenson John Bradley | Jan 2, 2025 | Sell | 4,119 | $90.02 | $370,000 |
| Fitzgerald Joseph Michael | Dec 10, 2024 | Sell | 20 | $89.97 | $1,800 |
| Fitzgerald Joseph Michael | Dec 3, 2024 | Buy | 50 | $90.29 | $4,500 |
| Wendy Carruthers | Dec 2, 2024 | Sell | 6,983 | $90.78 | $630,000 |
| Emily Woodworth | Nov 27, 2024 | Sell | 1,336 | $90.65 | $120,000 |
| Arthur Butcher | Nov 25, 2024 | Sell | 14,010 | $89.27 | $1.3M |
| EDWARD LUDWIG | Nov 21, 2024 | Sell | 4,877 | $91.63 | $450,000 |
| Sorenson John Bradley | Nov 8, 2024 | Sell | 30,580 | $87.66 | $2.7M |
| Michael Mahoney | Nov 5, 2024 | Sell | 160,182 | $84.74 | $14M |
| Michael Mahoney | Nov 5, 2024 | Sell | 2,596 | $85.17 | $220,000 |
| Wendy Carruthers | Nov 1, 2024 | Sell | 6,983 | $84.33 | $590,000 |
| Fitzgerald Joseph Michael | Oct 7, 2024 | Sell | 132,527 | $85 | $11M |
| Michael Mahoney | Oct 7, 2024 | Sell | 82,085 | $84.94 | $7M |
| Michael Mahoney | Oct 7, 2024 | Sell | 80,692 | $84.31 | $6.8M |
| Wendy Carruthers | Oct 1, 2024 | Sell | 6,983 | $83.86 | $590,000 |
| Michael Mahoney | Sep 5, 2024 | Sell | 162,777 | $81.17 | $13M |
| Wendy Carruthers | Sep 3, 2024 | Sell | 6,983 | $81.7 | $570,000 |
| Fitzgerald Joseph Michael | Aug 28, 2024 | Sell | 14,132 | $80 | $1.1M |
| Arthur Butcher | Aug 26, 2024 | Sell | 14,012 | $79.25 | $1.1M |
Frequently Asked Questions: Boston Scientific Insider Trading
In the past 90 days, Boston Scientific insiders have made 5 buys and 0 sells. The net buying may indicate insider confidence in the company’s outlook.
The most recent sale was by Michael Mahoney who sold 159,701 shares on February 2, 2026. View all transactions in the table on this page.
Insider buying is generally a stronger signal than insider selling, since insiders may sell for personal reasons (diversification, taxes) but typically buy only when they believe the stock is undervalued. AltIndex uses insider transaction patterns alongside 25+ other signals in the AI Score.
Mahoney Michael F has bought the most BSX stock in the last 2 years, with a total value of $9M.
Mahoney Michael F has sold the most BSX stock in the last 2 years, with a total value of $106M.
The total value of insider transactions for Boston Scientific in the last 2 years is negative, amounting to -$183M. This suggests that insiders have predominantly sold shares, which could reflect various personal or financial considerations rather than a straightforward outlook on the company's future performance.
