Insiders who reported open-market trades in the last 12 months at the companies James M. Zemlyak 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.
Maryam S. Brown - $372K in SF purchases and sales in the last 12 months
David Rubulotta - $50K in SF purchases and sales in the last 12 months
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James M. Zemlyak is a corporate insider, tracked as President of STIFEL FINANCIAL CORP (SF). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did James M. Zemlyak last file a Form 4?
The most recent primary Form 4 on record is dated 3 March 2026, one of 9 filings going back to 2024.
Has James M. Zemlyak been buying or selling stock?
Recorded transactions: 4 open-market purchases ($1K) and 1 open-market sale ($1K) across all tracked filings.
James M. Zemlyak is President of STIFEL FINANCIAL CORP (SF). 9 SEC Form 4 filings on record going back to 2024, most recently on 3 March 2026. Most recent open-market trade: sold $1K of SF on 2 February 2026. Lifetime open-market purchases: $1K. Lifetime open-market sales: $1K.
Recent transactions
16
The latest 16 SEC Form 4 transactions reported by James M. Zemlyak.
InsiderAlpha's records for James M. Zemlyak go back to 2024: 9 primary Form 4 filings, an average of 3.0 per year. The typical open-market purchase is $253 (4 buys totaling $1K). The largest single buy on record is $441 of SF in 2025. Sales side: 1 recorded sale totaling $1K, so the filing history runs sell-heavy by dollar value. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
