Insiders who reported open-market trades in the last 12 months at the companies Michael Shamus 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.
Raanan Zilberman - $594K in VSH purchases and sales in the last 12 months
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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.
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
4
The latest 4 SEC Form 4 transactions reported by Michael Shamus O'Sullivan.
InsiderAlpha's records for Michael Shamus O'Sullivan go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $37K (1 buy totaling $37K). The largest single buy on record is $37K of VSH in 2025. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
