Boston Scientific Corp (BSX)

Over the past 90 days, Boston Scientific Corp insiders have executed eight buy transactions totaling approximately $9.84 million. Notably, CEO Michael F. Mahoney purchased over $9 million in shares in early August. These acquisitions follow the company's recent earnings report, which showed a 3.6% EPS beat, despite a 11.5% decline in stock price over the last quarter.
Ticker: BSX Exchange: NYS


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Insider trades have triggered activity signals for Boston Scientific Corp. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Buy 5 Aug 2026
Value US$4,305,294.87 | Price 478.72 | Shares 84,344 (-34.8%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-08-07 2026-08-05 B Purchase Non-Executive Director
84,344 -34.8%
478.72
US$4,305,295
84,344 -34.8% 478.72 US$4,305,295
2026-08-05 2026-08-04 B Purchase Non-Executive Director
71,272 -20.2%
251.28
US$2,021,812
71,272 -20.2% 251.28 US$2,021,812
2026-08-05 2026-08-03 B Purchase

Chairman, President & CEO

Executive Director
70,686 -47.7%
25.78
US$3,829,784
70,686 -47.7% 25.78 US$3,829,784
2026-08-05 2026-08-03 B Purchase Non-Executive Director
1,000 +7.5%
48.07
US$100,000
1,000 +7.5% 48.07 US$100,000
2026-08-03 2026-07-31 B Purchase Non-Executive Director
1,000 +19.7%
45.48
US$100,000
1,000 +19.7% 45.48 US$100,000
2026-05-21 2026-05-20 B Purchase Non-Executive Director
1,770 +inf%
56.49
US$99,987
1,770 +inf% 56.49 US$99,987
2026-05-21 2026-05-20 B Purchase Non-Executive Director
2,250 +19.3%
55.92
US$125,819
2,250 +19.3% 55.92 US$125,819
2026-05-21 2026-05-20 B Purchase Non-Executive Director
3,580 +16.4%
56.68
US$202,914
3,580 +16.4% 56.68 US$202,914
2026-05-21 2026-05-19 B Purchase Non-Executive Director
2,200 +23.3%
56.95
US$125,279
2,200 +23.3% 56.95 US$125,279
2026-02-03 2026-02-02 PlS Planned sale

Chairman, President & CEO

Executive Director
159,701 -10.2%
93.49
US$14,930,526
159,701 -10.2% 93.49 US$14,930,526
2026-02-03 2026-02-02 PlS Planned sale

Chairman, President & CEO

Executive Director
1,200 -0.1%
94.06
US$112,868
1,200 -0.1% 94.06 US$112,868
2026-02-03 2026-02-02 PlS Planned sale

Chairman, President & CEO

Executive Director
159,701 -10.2%
93.49
US$14,930,526
159,701 -10.2% 93.49 US$14,930,526
2026-02-03 2026-02-02 PlS Planned sale

Chairman, President & CEO

Executive Director
1,200 -0.1%
94.06
US$112,868
1,200 -0.1% 94.06 US$112,868
2026-02-02 2026-02-02 PrS Proposed sale

Officer; Director

Executive Director
160,901
93.49
US$15,043,390
160,901 93.49 US$15,043,390
2025-12-02 2025-12-01 PlS Planned sale

EVP& Grp Pres, MedSurg & APAC

Officer
17,313 -42.3%
101.55
US$1,758,189
17,313 -42.3% 101.55 US$1,758,189
2025-12-01 2025-12-01 PrS Proposed sale

Officer

Officer
17,313
101.55
US$1,758,188
17,313 101.55 US$1,758,188
2025-11-06 2025-11-06 PrS Proposed sale

Director

Non-Executive Director
2,901
97.96
US$284,171
2,901 97.96 US$284,171
2025-11-06 2025-11-06 PlS Planned sale Non-Executive Director
12,891 -34.8%
98.28
US$1,266,978
12,891 -34.8% 98.28 US$1,266,978
2025-11-04 2025-11-03 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
29,472 -14.2%
99.14
US$2,921,895
29,472 -14.2% 99.14 US$2,921,895
2025-11-04 2025-11-03 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
16,928 -7.5%
99.76
US$1,688,749
16,928 -7.5% 99.76 US$1,688,749
2025-11-04 2025-11-03 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
3,600 -1.6%
100.75
US$362,693
3,600 -1.6% 100.75 US$362,693
2025-11-03 2025-11-03 PrS Proposed sale

Officer

Officer
50,000
99.47
US$4,973,335
50,000 99.47 US$4,973,335
2025-10-28 2025-10-28 PrS Proposed sale

Director

Non-Executive Director
2,901
102.24
US$296,592
2,901 102.24 US$296,592
2025-10-28 2025-10-28 PlS Planned sale Non-Executive Director
2,901 -10.7%
102.24
US$296,599
2,901 -10.7% 102.24 US$296,599
2025-10-28 2025-10-27 PlS Planned sale Non-Executive Director
9,990 -27.0%
101.13
US$1,010,301
9,990 -27.0% 101.13 US$1,010,301
2025-10-27 2025-10-27 PrS Proposed sale

Director

Non-Executive Director
9,990
100.91
US$1,008,081
9,990 100.91 US$1,008,081
2025-10-01 2025-10-01 PrS Proposed sale

Officer

Officer
50,000
98.47
US$4,923,325
50,000 98.47 US$4,923,325
2025-10-01 2025-10-01 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
41,755 -19.0%
98.38
US$4,107,844
41,755 -19.0% 98.38 US$4,107,844
2025-10-01 2025-10-01 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
8,245 -3.6%
98.91
US$815,482
8,245 -3.6% 98.91 US$815,482
2025-09-03 2025-09-02 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
28,170 -13.6%
105.85
US$2,981,755
28,170 -13.6% 105.85 US$2,981,755
2025-09-03 2025-09-02 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
21,830 -9.6%
104.89
US$2,289,661
21,830 -9.6% 104.89 US$2,289,661
2025-09-02 2025-09-02 PrS Proposed sale

Officer

Officer
50,000
105.43
US$5,271,415
50,000 105.43 US$5,271,415
2025-08-04 2025-08-01 PlS Planned sale

EVP& Grp Pres, MedSurg & APAC

Officer
17,313 -42.3%
104.63
US$1,811,520
17,313 -42.3% 104.63 US$1,811,520
2025-08-04 2025-08-01 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
50,000 -21.9%
104.63
US$5,231,670
50,000 -21.9% 104.63 US$5,231,670
2025-08-01 2025-08-01 PrS Proposed sale

Officer

Officer
17,313
104.63
US$1,811,519
17,313 104.63 US$1,811,519
2025-08-01 2025-08-01 PrS Proposed sale

Officer

Officer
50,000
104.63
US$5,231,665
50,000 104.63 US$5,231,665
2025-07-30 2025-07-29 S Sale Non-Executive Director
2,901 -58.2%
106.99
US$310,378
2,901 -58.2% 106.99 US$310,378
2025-07-29 2025-07-29 PrS Proposed sale

Director

Non-Executive Director
2,901
106.99
US$310,378
2,901 106.99 US$310,378
2025-07-28 2025-07-25 S Sale Non-Executive Director
4,000 -17.8%
106.03
US$424,120
4,000 -17.8% 106.03 US$424,120
2025-07-25 2025-07-25 PrS Proposed sale

Director

Non-Executive Director
4,000
107.46
US$429,840
4,000 107.46 US$429,840
2025-07-02 2025-07-01 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
50,000 -21.9%
106.97
US$5,348,315
50,000 -21.9% 106.97 US$5,348,315
2025-07-01 2025-07-01 PrS Proposed sale

Officer

Officer
50,000
106.97
US$5,348,310
50,000 106.97 US$5,348,310
2025-06-04 2025-06-04 PrS Proposed sale

Officer

Officer
56,372
102.88
US$5,799,625
56,372 102.88 US$5,799,625
2025-06-04 2025-06-04 PlS Planned sale

EVP & Group Pres, Cardiology

Officer
56,372 -24.0%
102.88
US$5,799,630
56,372 -24.0% 102.88 US$5,799,630
2025-06-03 2025-06-02 PlS Planned sale

Chairman, President & CEO

Executive Director
89,921 -5.7%
103.39
US$9,296,950
89,921 -5.7% 103.39 US$9,296,950
2025-06-03 2025-06-02 PlS Planned sale

Chairman, President & CEO

Executive Director
74,522 -4.5%
104.05
US$7,754,186
74,522 -4.5% 104.05 US$7,754,186
2025-06-02 2025-06-02 PrS Proposed sale

Officer; Director

Executive Director
164,443
103.69
US$17,051,132
164,443 103.69 US$17,051,132
2025-05-30 2025-05-29 S Sale Non-Executive Director
4,000 -15.1%
104.59
US$418,368
4,000 -15.1% 104.59 US$418,368
2025-05-29 2025-05-29 PrS Proposed sale

Director

Non-Executive Director
4,000
104.54
US$418,160
4,000 104.54 US$418,160
2025-05-22 2025-05-21 PlS Planned sale

SVP, GC and Corp. Secretary

Officer
4,826 -13.3%
106.42
US$513,583
4,826 -13.3% 106.42 US$513,583
2025-05-21 2025-05-21 PrS Proposed sale

Officer

Officer
4,826
106.42
US$513,583
4,826 106.42 US$513,583
2025-05-06 2025-05-05 PlS Planned sale

EVP, Global Operations

Officer
4,572 -19.6%
104.54
US$477,957
4,572 -19.6% 104.54 US$477,957
2025-05-05 2025-05-05 PrS Proposed sale

Officer

Officer
4,572
104.54
US$477,957
4,572 104.54 US$477,957
2025-05-05 2025-05-01 PlS Planned sale

EVP& Grp Pres, MedSurg & APAC

Officer
17,314 -43.8%
102.06
US$1,766,982
17,314 -43.8% 102.06 US$1,766,982
2025-05-05 2025-05-01 PlS Planned sale

Chairman, President & CEO

Executive Director
91,282 -5.6%
102.13
US$9,322,266
91,282 -5.6% 102.13 US$9,322,266
2025-05-05 2025-05-01 PlS Planned sale

Chairman, President & CEO

Executive Director
73,161 -4.3%
102.92
US$7,529,708
73,161 -4.3% 102.92 US$7,529,708
2025-05-01 2025-05-01 PrS Proposed sale

Officer; Director

Executive Director
164,443
102.48
US$16,851,966
164,443 102.48 US$16,851,966
2025-05-01 2025-05-01 PrS Proposed sale

Officer

Officer
17,314
102.06
US$1,766,981
17,314 102.06 US$1,766,981
2025-04-22 2025-04-21 PlS Planned sale

SVP, GC and Corp. Secretary

Officer
4,826 -11.8%
95.09
US$458,904
4,826 -11.8% 95.09 US$458,904
2025-04-21 2025-04-21 PrS Proposed sale

Officer

Officer
4,826
95.09
US$458,904
4,826 95.09 US$458,904
2025-04-02 2025-04-01 PlS Planned sale

Chairman, President & CEO

Executive Director
164,442 -9.3%
100.01
US$16,445,072
164,442 -9.3% 100.01 US$16,445,072
2025-04-01 2025-04-01 PrS Proposed sale

Officer; Director

Executive Director
164,442
100.01
US$16,445,068
164,442 100.01 US$16,445,068
2025-03-24 2025-03-21 PlS Planned sale

SVP, GC and Corp. Secretary

Officer
4,826 -10.5%
100.85
US$486,702
4,826 -10.5% 100.85 US$486,702
2025-03-21 2025-03-21 PrS Proposed sale

Officer

Officer
4,826
100.85
US$486,702
4,826 100.85 US$486,702
2025-03-05 2025-03-04 PlS Planned sale

SVP, Global Controller and CAO

Officer
482 -52.7%
104.63
US$50,432
482 -52.7% 104.63 US$50,432
2025-03-05 2025-03-03 PlS Planned sale

SVP, Global Controller and CAO

Officer
7,149 -88.7%
104.97
US$750,465
7,149 -88.7% 104.97 US$750,465
2025-03-03 2025-02-28 PlS Planned sale

SVP, Global Controller and CAO

Officer
9,887 -85.8%
101.13
US$999,872
9,887 -85.8% 101.13 US$999,872
2025-02-25 2025-02-25 PrS Proposed sale

Officer

Officer
2,688
104.00
US$279,552
2,688 104.00 US$279,552
2025-02-25 2025-02-25 PlS Planned sale

EVP&Pres, Periph Intervent

Officer
2,688 -9.4%
104.00
US$279,552
2,688 -9.4% 104.00 US$279,552
2025-02-25 2025-02-24 PlS Planned sale

EVP&Pres, Periph Intervent

Officer
4,675 -14.1%
104.25
US$487,369
4,675 -14.1% 104.25 US$487,369
2025-02-24 2025-02-24 PrS Proposed sale

Director

Non-Executive Director
13,586
104.23
US$1,416,088
13,586 104.23 US$1,416,088
2025-02-24 2025-02-24 PrS Proposed sale

Officer

Officer
4,675
104.25
US$487,369
4,675 104.25 US$487,369
2025-02-24 2025-02-24 PlS Planned sale Non-Executive Director
13,586 -28.0%
104.23
US$1,416,134
13,586 -28.0% 104.23 US$1,416,134
2025-02-21 2025-02-21 PrS Proposed sale

Officer

Officer
4,826
104.64
US$504,993
4,826 104.64 US$504,993
2025-02-21 2025-02-21 PlS Planned sale

SVP, GC and Corp. Secretary

Officer
4,826 -9.5%
104.64
US$504,993
4,826 -9.5% 104.64 US$504,993