BSX
BOSTON SCIENTIFIC CORP · Healthcare · Market cap $69.3B
Insiders bought $9.5M net in the last 90 days ·0 sellers, 4 buyers· latest Form 4 filed Aug 26, 2026
Insider Buying
$10.0M
reported purchases (SEC code P)
Insider Selling
$29.3M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Latest filing
Sep 3, 2026
Morano Susan E
BOSTON SCIENTIFIC CORP (BSX) has 49 SEC Form 4 filings (131 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Sep 3, 2026.
Inside the rolling window, 8 insiders at BOSTON SCIENTIFIC CORP reported 10 open-market purchases totaling $10.0M and 7 open-market sales totaling $29.3M. The most active filer is Director Habiger David C with 5 filings. Insiders have net bought $10.0M over the trailing 6 months. The largest single insider purchase in this window was $9.0M by Chairman, President & CEO Mahoney Michael F on Aug 3, 2026. The most recent open-market filing is a purchase of 2,040 shares by Director Morano Susan E, dated Aug 25, 2026, worth $100K.
- Industry:Medical - Devices
- CEO:Michael F. Mahoney
- Employees:59,000
- HQ:Marlborough, MA, US
- IPO:1992-05-19
| Source | |||||||
|---|---|---|---|---|---|---|---|
Morano Susan EFirst filing | Director | Purchase | 2,040 | $100K | Aug 26 | cluster-0.8% | SEC ↗ |
| Director | Purchase | 2,100 | $100K | Aug 7 | cluster-3.1% | SEC ↗ | |
| Director | Purchase | 1,042 | $50K | Aug 5 | cluster+0.1% | SEC ↗ | |
| Director | Purchase | 140 | $7K | Aug 5 | cluster+0.1% | SEC ↗ | |
Mahoney Michael FFirst in 6 months | Chairman, President & CEO | Purchase | 186,240 | $9.0M | Aug 5 | cluster+0.1% | SEC ↗ |
| Director | Purchase | 5,000 | $227K | Aug 3 | cluster-1.3% | SEC ↗ | |
Habiger David CFirst filing | Director | Purchase | 2,200 | $125K | May 21 | -16.4% | SEC ↗ |
Habiger David CFirst filing | Director | Purchase | 2,250 | $126K | May 21 | -16.4% | SEC ↗ |
Pegus CherylFirst filing | Director | Purchase | 1,770 | $100K | May 21 | -16.4% | SEC ↗ |
LUDWIG EDWARD JFirst filing | Director | Purchase | 3,580 | $203K | May 21 | -16.4% | SEC ↗ |
Mahoney Michael FFirst filing | Chairman, President & CEO | Sale | 160,901 | $15.0M | Feb 3 | — | SEC ↗ |
Butcher Arthur CFirst filing | EVP& Grp Pres, MedSurg & APAC | Sale | 17,313 | $1.8M | Dec 2 | — | SEC ↗ |
| Director | Sale | 12,891 | $1.3M | Nov 6 | — | SEC ↗ | |
| EVP & Group Pres, Cardiology | Sale | 50,000 | $5.0M | Nov 4 | — | SEC ↗ | |
Zane Ellen MFirst filing | Director | Sale | 9,990 | $1.0M | Oct 28 | — | SEC ↗ |
Zane Ellen MFirst filing | Director | Sale | 2,901 | $297K | Oct 28 | — | SEC ↗ |
Fitzgerald Joseph MichaelFirst filing | EVP & Group Pres, Cardiology | Sale | 50,000 | $4.9M | Oct 1 | — | SEC ↗ |
Congress trading BSX 143 all-time
- DRep. Ro KhannaSale$1,001 - $15,0002026-07-07
- DRep. Ro KhannaSale$1,001 - $15,0002026-07-07
- RSen. John BoozmanSale$1,001 - $15,0002026-06-04
- DRep. Ro KhannaPurchase$1,001 - $15,0002026-06-02
- DRep. Gilbert CisnerosPurchase$1,001 - $15,0002026-06-05
- DRep. Gilbert CisnerosSale$1,001 - $15,0002026-06-05
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does BSX have?
BOSTON SCIENTIFIC CORP (BSX) has 49 SEC Form 4 filings (131 transaction rows) in the rolling 365-day window, disclosed by 8 distinct insiders. Most recent filing: Sep 3, 2026.
When was the most recent SEC Form 4 filing for BSX?
The most recent Form 4 filing for BSX on Tracefour is dated Sep 3, 2026.
Who is the most active insider at BSX?
The most active SEC Form 4 filer at BSX in the rolling window is Director Habiger David C, with 5 filings.
What is the net insider flow at BSX over the last 6 months?
Over the trailing 180 days, insiders at BSX have net bought $10.0M based on SEC Form 4 disclosures.
What was the largest insider purchase at BSX?
The largest single insider open-market purchase at BSX in the rolling window was $9.0M by Chairman, President & CEO Mahoney Michael F on 2026-08-03.
What is the total insider buy and sell value at BSX in the current window?
Inside the rolling window, insiders at BSX bought $10.0M and sold $29.3M based on SEC Form 4 filings.
Can I get alerts for BSX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at BOSTON SCIENTIFIC CORP (BSX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
BOSTON SCIENTIFIC CORP is in the Healthcare sector.