Summary
Updated Aug 31, 2026
Miriam O'Sullivan is SVP, Chief HR Officer of BOSTON SCIENTIFIC CORP (BSX). 2 SEC Form 4 filings on record going back to 2025, most recently on 18 February 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Miriam O'Sullivan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Miriam O'Sullivan go back to 2025: 2 primary Form 4 filings, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Miriam O'Sullivan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michael F. Mahoney - $24.04M of BSX open-market activity in the last 12 months
- Joseph Michael Fitzgerald - $15.17M of BSX open-market activity in the last 12 months
- Ellen M. Zane - $2.57M of BSX open-market activity in the last 12 months
- Arthur C. Butcher - $1.76M of BSX open-market activity in the last 12 months
- Edward J. Ludwig - $430K of BSX open-market activity in the last 12 months
- David C. Habiger - $408K of BSX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Miriam O'Sullivan?
Miriam O'Sullivan is a corporate insider, tracked as SVP, Chief HR Officer of BOSTON SCIENTIFIC CORP (BSX). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Miriam O'Sullivan last file a Form 4?
The most recent primary Form 4 on record is dated 18 February 2026, one of 2 filings going back to 2025.
Where can I see all of Miriam O'Sullivan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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