Insiders who reported open-market trades in the last 12 months at the companies Barry Shin 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.
Neil Lerner - $21K in CMPX purchases and sales in the last 12 months
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Barry Shin is a corporate insider, tracked as CFO of Compass Therapeutics, Inc. (CMPX). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Barry Shin last file a Form 4?
The most recent primary Form 4 on record is dated 5 January 2026, one of 3 filings going back to 2024.
InsiderAlpha's records for Barry Shin go back to 2024: 3 primary Form 4 filings, an average of 1.0 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.
