Boston Scientific Corp. (BSX) insider buying and SEC filings
Boston Scientific Corp. · CIK 885725
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Surgical & Medical Instruments & Apparatus
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$10.0M
Insiders who bought
5
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$23.0M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 25, 2026 | Purchase (code P) | Susan E Morano (Director) bought 2,040 shares at $49.22 ($100K), reported as a purchase (code P). Holdings up 17% to 13,784 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 26, 2026 |
| Aug 5, 2026 | Purchase (code P) | David C Habiger (Director) bought 2,100 shares at about $47.59 ($100K), reported as a purchase (code P). Holdings up 14% to 17,160 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 7, 2026 |
| Aug 3–4, 2026 | Purchase (code P) | David C Habiger (Director) bought 1,182 shares between Aug 3 and Aug 4 at about $48.13 ($57K), reported as a purchase (code P). Holdings up 9% to 15,060 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Aug 3, 2026 | Purchase (code P) | Michael F Mahoney (CEO and Director) bought 186,240 shares at about $48.33 ($9.0M), reported as a purchase (code P). Holdings up 13% to 1,590,024 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Jul 31, 2026 | Purchase (code P) | Edward J. Ludwig (Director) bought 5,000 shares at $45.48 ($227K), reported as a purchase (code P). Holdings up 20% to 30,359 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 3, 2026 |
| May 20, 2026 | Purchase (code P) | Cheryl Pegus (Director) bought 1,770 shares at about $56.49 ($100K), reported as a purchase (code P). New position of 1,770 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 21, 2026 |
| May 20, 2026 | Purchase (code P) | Edward J. Ludwig (Director) bought 3,580 shares at $56.68 ($203K), reported as a purchase (code P). Holdings up 16% to 25,359 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 21, 2026 |
| May 19–20, 2026 | Purchase (code P) | David C Habiger (Director) bought 4,450 shares between May 19 and May 20 at about $56.43 ($251K), reported as a purchase (code P). Holdings up 47% to 13,878 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 21, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Michael F Mahoney (CEO and Director) sold 160,901 shares at about $93.49 ($15.0M), marked as a 10b5-1 plan trade. Holdings down 10% to 1,411,735 shares. | SEC filing Filed Feb 3, 2026 |
| Dec 1, 2025 | Planned (10b5-1) | Arthur C Butcher (EVP& Grp Pres, MedSurg & APAC) sold 17,313 shares at about $101.55 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 42% to 23,600 shares. | SEC filing Filed Dec 2, 2025 |
| Nov 6, 2025 | Planned (10b5-1) | Ellen M Zane (Director) sold 12,891 shares at about $98.28 ($1.3M), marked as a 10b5-1 plan trade. Holdings down 35% to 24,134 shares. | SEC filing Filed Nov 6, 2025 |
| Nov 3, 2025 | Planned (10b5-1) | Joseph Michael Fitzgerald (EVP & Group Pres, Cardiology) sold 50,000 shares at about $99.47 ($5.0M), marked as a 10b5-1 plan trade. Holdings down 22% to 178,342 shares. | SEC filing Filed Nov 4, 2025 |
46 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
4 insiders bought in 30 days
$9.5M in purchases since Jul 31, 2026 · Purchases traded Jul 31, 2026 to Aug 25, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Edward J. Ludwig (Director) | $227K | Jul 31, 2026 | SEC filing |
| Michael F Mahoney (CEO) | $9.0M | Aug 3, 2026 | SEC filing |
| David C Habiger (Director) | $57K | Aug 4, 2026 | SEC filing |
| David C Habiger (Director) | $100K | Aug 5, 2026 | SEC filing |
| Susan E Morano (Director) | $100K | Aug 25, 2026 | SEC filing |
3 insiders bought in 30 days
$554K in purchases since May 20, 2026 · Purchases traded May 20, 2026 to May 20, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| David C Habiger (Director) | $251K | May 20, 2026 | SEC filing |
| Edward J. Ludwig (Director) | $203K | May 20, 2026 | SEC filing |
| Cheryl Pegus (Director) | $100K | May 20, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Oct 28, 2026, 6:34 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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