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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.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$50.0M$25.0M$0-$25.0M-$50.0M2024-10 -$25.6M2024-11 -$18.9M2024-12 -$631K2025-01 -$2.1M2025-02 -$20.9M2025-03 -$1.3M2025-04 -$16.9M2025-05 -$20.0M2025-06 -$22.9M2025-07 -$6.1M2025-08 -$7.0M2025-09 -$5.3M2025-10 -$6.2M2025-11 -$6.2M2025-12 -$1.8M2026-01 $02026-02 -$15.0M2026-03 $02026-04 $02026-05 $554K2026-06 $02026-07 $227K2026-08 $9.3MInstitutional shares (majority-gated quarters)1.0B500.0M02025-Q4 543.3M sh2026-Q1 410.3M sh2026-Q2 388.0M shOct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Q4 2025Q1 2026Q2 2026~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

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
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
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
9/2/2025 Fitzgerald Joseph Michael EVP & Group Pres, Cardiology 2 reported sale rows 50000 ~$5.3M
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
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 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 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
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
11/1/2024 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 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