Insiders who reported open-market trades in the last 12 months at the companies David Arkowitz 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.
Felipe Duran - $50K in IBIO purchases and sales in the last 12 months
Martin Brenner - $25K in IBIO purchases and sales in the last 12 months
Marc Banjak - $23K in IBIO purchases and sales in the last 12 months
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David Arkowitz is a corporate insider, tracked as Director of iBio, Inc. (IBIO). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did David Arkowitz last file a Form 4?
The most recent primary Form 4 on record is dated 24 November 2025, one of 4 filings going back to 2024.
InsiderAlpha's records for David Arkowitz go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
