Michael F. Mahoney - 03 Aug 2026 Form 4 Insider Report for BOSTON SCIENTIFIC CORP (BSX)

Reporting relationship: Chairman, President & CEO, Director
Issuer ticker: BSX
Reported as of: 03 Aug 2026
Net transaction value: +$9,001,408
SEC form: 4
Accepted by SEC: 05 Aug 2026, 16:15:51 UTC
Prior SEC filing: 01 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Susan Thompson, Attorney-in-Fact

Key filing fact

Michael F. Mahoney filed Form 4 for BOSTON SCIENTIFIC CORP (BSX) on 05 Aug 2026.

Key facts

This page summarizes Michael F. Mahoney's Form 4 filing for BOSTON SCIENTIFIC CORP (BSX).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 Aug 2026, 16:15.

Change

Previous filing in this sequence was filed on 01 Jun 2026.
Current net transaction value: +$9,001,408.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001533022 Primary reporting owner

Mahoney Michael F

Relationship: Chairman, President & CEO, Director
Address: 300 BOSTON SCIENTIFIC WAY, MARLBOROUGH
Signature: /s/ Susan Thompson, Attorney-in-Fact
Signature date: 05 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BSX transaction

Common Stock

Purchase

Transaction value: $9,001,408
Shares: +186,240
Change %: +13%
Price: $48.33
Shares after: 1,590,024
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

BSX transaction

Common Stock

Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities

Transaction value
Shares: +22,119
Change %
Price: $48.43^*
Shares after: 22,119
Date: 03 Aug 2026
Ownership: By 401(k)
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents the weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $47.87 to $48.47, inclusive. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares purchased at each separate price.

Footnote F2

Acquistion made pursuant to an election by the reporting person to rebalance their holdings under the Company's 401(k) Retirement Savings Plan, which resulted in a discretionary transaction in shares of the Company's common stock.