Summary
Updated Aug 31, 2026
Michael Shamus O'Sullivan is EVP Chief Admin & LegalOfficer of VISHAY INTERTECHNOLOGY INC (VSH). 4 SEC Form 4 filings on record going back to 2025, most recently on 3 March 2026. Most recent open-market trade: bought $37K of VSH on 13 May 2025. Lifetime open-market purchases: $37K.
Recent Transactions
4Every recent SEC Form 4 transaction Michael Shamus O'Sullivan has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Michael Shamus O'Sullivan. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Michael J. Cody - $220K of VSH open-market activity on record
- Roy Shoshani - $150K of VSH open-market activity on record
- Joel Smejkal - $147K of VSH open-market activity on record
- David McConnell - $29K of VSH open-market activity on record
- Peter Henrici - $21K of VSH open-market activity on record
- Robert Barrett Hackett II - $15K of VSH open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Shamus O'Sullivan?
Michael Shamus O'Sullivan is a corporate insider, tracked as EVP Chief Admin & LegalOfficer of VISHAY INTERTECHNOLOGY INC (VSH). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Michael Shamus O'Sullivan last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 4 filings going back to 2025.
Has Michael Shamus O'Sullivan been buying or selling stock?
Recorded transactions: 1 open-market purchase ($37K) and 0 open-market sales across all tracked filings.
Where can I see all of Michael Shamus 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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