BSX insider buying
5 cluster buysBOSTON SCIENTIFIC CORP
When two or more insiders at BOSTON SCIENTIFIC CORP buy BSX in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in BSX plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Jul 31 – Aug 25, 2026Detected Aug 26, 2026Executive buyer4 insidersTotal bought$9.5MMarket capUnknown
- May 19 – Aug 5, 2026Detected Aug 7, 2026Executive buyer3 insidersTotal bought$9.8MMarket capUnknown
- May 19 – Aug 4, 2026Detected Aug 5, 2026Executive buyer3 insidersTotal bought$9.7MMarket capUnknown
2 more clusters in BSX
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All notable open-market buys in BSX
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Aug 25, 2026 | Morano Susan Ecluster Director | 2,040 | $49.22 | $100.4K | SEC ↗ |
| Aug 5, 2026 | Habiger David Ccluster Director | 2,100 | $47.59 | $99.9K | SEC ↗ |
| Aug 4, 2026 | Habiger David Ccluster Director | 140 | $48.59 | $6.8K | SEC ↗ |
| Aug 3, 2026 | Mahoney Michael Fcluster Director, Chairman, President & CEO | 186,240 | $48.33 | $9.0M | SEC ↗ |
| Aug 3, 2026 | Habiger David Ccluster Director | 1,042 | $48.07 | $50.1K | SEC ↗ |
| Jul 31, 2026 | LUDWIG EDWARD Jcluster Director | 5,000 | $45.48 | $227.4K | SEC ↗ |
| May 20, 2026 | LUDWIG EDWARD Jcluster Director | 3,580 | $56.68 | $202.9K | SEC ↗ |
| May 20, 2026 | Habiger David Ccluster Director | 2,250 | $55.92 | $125.8K | SEC ↗ |
| May 19, 2026 | Habiger David Ccluster Director | 2,200 | $56.95 | $125.3K | SEC ↗ |
| Dec 3, 2024 | EVP & Group Pres, Cardiology | 50 | $90.29 | $4.5K | SEC ↗ |
BSX insider buying — FAQ
- Are insiders buying BSX stock?
- Yes — 5 distinct insiders have bought BSX (BOSTON SCIENTIFIC CORP) on the open market, including 5 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Aug 26, 2026.
- How much BSX stock have insiders bought?
- Insiders have bought a combined $9.9M of BSX across 10 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in BSX?
- A cluster buy is two or more distinct BOSTON SCIENTIFIC CORP insiders — officers, directors, or 10% owners — each buying BSX on the open market within a rolling window. BSX has 5 detected cluster buys to date.
- Where does this BSX insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in BSX
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy BSX within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding BSX.