Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Michael Kauffman currently holds 7,000 shares of ONYX PHARMACEUTICALS INC (ONXX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael Kauffman has been a net seller of ONXX stock. They have purchased $57.3K and sold $20.9M worth of shares.
Michael Kauffman's most recent insider trade was on Jun 12, 2026, when they sold 7,000 shares at $0.00 per share.
Michael Kauffman serves as Executive at ONYX PHARMACEUTICALS INC (ONXX). They have executed 193 insider transactions totaling $21.0M over their tenure at the company.
Michael Kauffman holds the position of Executive at ONYX PHARMACEUTICALS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 17 years and currently hold a stake valued at $0.
Michael Kauffman has shown a selling trading pattern, with $57.3K in total purchases and $20.9M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Michael Kauffman was on Jul 15, 2020, when they sold $145.7K worth of KPTI shares. This transaction involved 7,500 shares at $19.43 per share.
Michael Kauffman currently owns 7,000 shares of ONYX PHARMACEUTICALS INC (ONXX), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Michael Kauffman's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Michael Kauffman has 193 Form 4 filings on record as an insider at ONYX PHARMACEUTICALS INC.
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