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BSX Boston Scientific Corp.
Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.
$9.5M net buying - trailing 90 days
4 buyers - 0 unique sellers
Historical context: most recent complete month (2026-08) is the 98th percentile of this ticker's monthly net P/S flow over 23 complete months (limited history). Lower percentiles are more selling; higher are more buying.
7 accumulating - 6 trimming - 1 unchanged
14 comparable institutions - Q2 2026
open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.
Who is responsible
| Insider | Role | Net activity | Rows |
|---|---|---|---|
| Mahoney Michael F | Chairman, President & CEO | ~$9.0M | 1 |
| LUDWIG EDWARD J | — | ~$0.2M | 1 |
| Habiger David C | — | ~$0.2M | 3 |
| Morano Susan E | — | ~$0.1M | 1 |
Transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 8/25/2026 | Morano Susan E | — | P | 2040 | 49.2195 | ~$0.1M |
| 8/5/2026 | Habiger David C | — | P | 2100 | 47.589 | ~$100K |
| 8/4/2026 | Habiger David C | — | P | 140 | 48.5879 | ~$7K |
| 8/3/2026 | Mahoney Michael F | Chairman, President & CEO | P | 186240 | 48.3323 | ~$9.0M |
| 8/3/2026 | Habiger David C | — | P | 1042 | 48.0655 | ~$50K |
| 7/31/2026 | LUDWIG EDWARD J | — | P | 5000 | 45.4799 | ~$0.2M |
| 5/20/2026 | Pegus Cheryl | — | P | 1770 | 56.49 | ~$100K |
| 5/20/2026 | LUDWIG EDWARD J | — | P | 3580 | 56.68 | ~$0.2M |
| 5/20/2026 | Habiger David C | — | P | 2250 | 55.9195 | ~$0.1M |
| 5/19/2026 | Habiger David C | — | P | 2200 | 56.9451 | ~$0.1M |
| 2/2/2026 | Mahoney Michael F | Chairman, President & CEO | 2 reported sale rows | 160901 | — | ~$15.0M |
| 2/2/2026 | Mahoney Michael F | Chairman, President & CEO | S | -159701 | 93.4905 | ~$14.9M |
| 2/2/2026 | Mahoney Michael F | Chairman, President & CEO | S | -1200 | 94.0567 | ~$0.1M |
| 12/1/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -17313 | 101.5531 | ~$1.8M |
| 11/6/2025 | Zane Ellen M | — | S | -12891 | 98.2839 | ~$1.3M |
| 11/3/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | 3 reported sale rows | 50000 | — | ~$5.0M |
| 11/3/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -29472 | 99.1414 | ~$2.9M |
| 11/3/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -16928 | 99.7607 | ~$1.7M |
| 11/3/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -3600 | 100.7481 | ~$0.4M |
| 10/28/2025 | Zane Ellen M | — | S | -2901 | 102.2402 | ~$0.3M |
| 10/27/2025 | Zane Ellen M | — | S | -9990 | 101.1312 | ~$1.0M |
| 10/1/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | 2 reported sale rows | 50000 | — | ~$4.9M |
| 10/1/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -41755 | 98.3797 | ~$4.1M |
| 10/1/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -8245 | 98.9063 | ~$0.8M |
| 9/2/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | 2 reported sale rows | 50000 | — | ~$5.3M |
| 9/2/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -21830 | 104.886 | ~$2.3M |
| 9/2/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -28170 | 105.8486 | ~$3.0M |
| 8/1/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -50000 | 104.6334 | ~$5.2M |
| 8/1/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -17313 | 104.6335 | ~$1.8M |
| 7/29/2025 | FUJIMORI YOSHIAKI | — | S | -2901 | 106.99 | ~$0.3M |
| 7/25/2025 | LUDWIG EDWARD J | — | S | -4000 | 106.0301 | ~$0.4M |
| 7/1/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -50000 | 106.9663 | ~$5.3M |
| 6/4/2025 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -56372 | 102.8814 | ~$5.8M |
| 6/2/2025 | Mahoney Michael F | Chairman, President & CEO | 2 reported sale rows | 164443 | — | ~$17.1M |
| 6/2/2025 | Mahoney Michael F | Chairman, President & CEO | S | -74522 | 104.0523 | ~$7.8M |
| 6/2/2025 | Mahoney Michael F | Chairman, President & CEO | S | -89921 | 103.3902 | ~$9.3M |
| 5/29/2025 | LUDWIG EDWARD J | — | S | -4000 | 104.5919 | ~$0.4M |
| 5/21/2025 | Brown Vance R | SVP, GC and Corp. Secretary | S | -4826 | 106.42 | ~$0.5M |
| 5/5/2025 | Sorenson John Bradley | EVP, Global Operations | S | -4572 | 104.54 | ~$0.5M |
| 5/1/2025 | Mahoney Michael F | Chairman, President & CEO | 2 reported sale rows | 164443 | — | ~$16.9M |
| 5/1/2025 | Mahoney Michael F | Chairman, President & CEO | S | -91282 | 102.126 | ~$9.3M |
| 5/1/2025 | Mahoney Michael F | Chairman, President & CEO | S | -73161 | 102.9197 | ~$7.5M |
| 5/1/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -17314 | 102.0551 | ~$1.8M |
| 4/21/2025 | Brown Vance R | SVP, GC and Corp. Secretary | S | -4826 | 95.09 | ~$0.5M |
| 4/1/2025 | Mahoney Michael F | Chairman, President & CEO | S | -164442 | 100.0053 | ~$16.4M |
| 3/21/2025 | Brown Vance R | SVP, GC and Corp. Secretary | S | -4826 | 100.85 | ~$0.5M |
| 3/4/2025 | Woodworth Emily | SVP, Global Controller and CAO | S | -482 | 104.63 | ~$50K |
| 3/3/2025 | Woodworth Emily | SVP, Global Controller and CAO | S | -7149 | 104.9748 | ~$0.8M |
| 2/28/2025 | Woodworth Emily | SVP, Global Controller and CAO | S | -9887 | 101.13 | ~$1.0M |
| 2/25/2025 | Mirviss Jeffrey B. | EVP&Pres, Periph Intervent | S | -2688 | 104 | ~$0.3M |
| 2/24/2025 | Zane Ellen M | — | S | -13586 | 104.2348 | ~$1.4M |
| 2/24/2025 | Mirviss Jeffrey B. | EVP&Pres, Periph Intervent | S | -4675 | 104.25 | ~$0.5M |
| 2/21/2025 | Brown Vance R | SVP, GC and Corp. Secretary | S | -4826 | 104.64 | ~$0.5M |
| 2/19/2025 | Mirviss Jeffrey B. | EVP&Pres, Periph Intervent | S | -1510 | 105.35 | ~$0.2M |
| 2/19/2025 | Sorenson John Bradley | EVP, Global Operations | S | -3303 | 105.1902 | ~$0.3M |
| 2/19/2025 | Brennan Daniel J. | EVP and CFO | S | -67333 | 105.2398 | ~$7.1M |
| 2/18/2025 | Brennan Daniel J. | EVP and CFO | 2 reported sale rows | 17530 | — | ~$1.8M |
| 2/18/2025 | Brennan Daniel J. | EVP and CFO | S | -2900 | 104.0752 | ~$0.3M |
| 2/18/2025 | Brennan Daniel J. | EVP and CFO | S | -14630 | 104.673 | ~$1.5M |
| 2/18/2025 | Sorenson John Bradley | EVP, Global Operations | S | -2657 | 104.41 | ~$0.3M |
| 2/14/2025 | Sorenson John Bradley | EVP, Global Operations | S | -1201 | 106.31 | ~$0.1M |
| 2/12/2025 | Brennan Daniel J. | EVP and CFO | S | -15087 | 105.0663 | ~$1.6M |
| 2/12/2025 | Mirviss Jeffrey B. | EVP&Pres, Periph Intervent | S | -13022 | 105.0586 | ~$1.4M |
| 2/12/2025 | Sorenson John Bradley | EVP, Global Operations | S | -6389 | 105.0633 | ~$0.7M |
| 2/11/2025 | LUDWIG EDWARD J | — | S | -12000 | 105.4846 | ~$1.3M |
| 2/7/2025 | Sorenson John Bradley | EVP, Global Operations | S | -6528 | 104.97 | ~$0.7M |
| 2/3/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | 2 reported sale rows | 17313 | — | ~$1.8M |
| 2/3/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -8805 | 102.1395 | ~$0.9M |
| 2/3/2025 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -8508 | 101.4538 | ~$0.9M |
| 1/3/2025 | Brennan Daniel J. | EVP and CFO | S | -9689 | 89.8582 | ~$0.9M |
| 1/3/2025 | Sorenson John Bradley | EVP, Global Operations | S | -2342 | 89.8587 | ~$0.2M |
| 1/3/2025 | Mirviss Jeffrey B. | EVP&Pres, Periph Intervent | S | -7152 | 89.8571 | ~$0.6M |
| 1/2/2025 | Sorenson John Bradley | EVP, Global Operations | S | -4119 | 90.02 | ~$0.4M |
| 12/10/2024 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -20 | 89.9722 | ~$2K |
| 12/3/2024 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | P | 50 | 90.2919 | ~$5K |
| 12/2/2024 | Carruthers Wendy | EVP, Human Resources | S | -6983 | 90.78 | ~$0.6M |
| 11/27/2024 | Woodworth Emily | SVP, Global Controller and CAO | S | -1336 | 90.6476 | ~$0.1M |
| 11/25/2024 | Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | S | -14010 | 89.2694 | ~$1.3M |
| 11/21/2024 | LUDWIG EDWARD J | — | S | -4877 | 91.6346 | ~$0.4M |
| 11/8/2024 | Sorenson John Bradley | EVP, Global Operations | S | -30580 | 87.6577 | ~$2.7M |
| 11/5/2024 | Mahoney Michael F | Chairman, President & CEO | 2 reported sale rows | 162778 | — | ~$13.8M |
| 11/5/2024 | Mahoney Michael F | Chairman, President & CEO | S | -160182 | 84.7395 | ~$13.6M |
| 11/5/2024 | Mahoney Michael F | Chairman, President & CEO | S | -2596 | 85.1727 | ~$0.2M |
| 11/1/2024 | Carruthers Wendy | EVP, Human Resources | S | -6983 | 84.33 | ~$0.6M |
| 10/7/2024 | Mahoney Michael F | Chairman, President & CEO | 2 reported sale rows | 162777 | — | ~$13.8M |
| 10/7/2024 | Mahoney Michael F | Chairman, President & CEO | S | -82085 | 84.9416 | ~$7.0M |
| 10/7/2024 | Mahoney Michael F | Chairman, President & CEO | S | -80692 | 84.3127 | ~$6.8M |
| 10/7/2024 | Fitzgerald Joseph Michael | EVP & Group Pres, Cardiology | S | -132527 | 85.0007 | ~$11.3M |
| 10/1/2024 | Carruthers Wendy | EVP, Human Resources | S | -6983 | 83.86 | ~$0.6M |