Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Richard Koo currently holds 259,289 shares of Amphastar Pharmaceuticals, Inc. (AMPH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard Koo has been a net seller of AMPH stock. They have purchased $49.4K and sold $2.0M worth of shares.
Richard Koo's most recent insider trade was on Jun 7, 2021, when they sold 6,019 shares at $0.00 per share.
Richard Koo serves as Executive at Amphastar Pharmaceuticals, Inc. (AMPH). They have executed 14 insider transactions totaling $2.0M over their tenure at the company.
Richard Koo holds the position of Executive at Amphastar Pharmaceuticals, Inc., where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 12 years and currently hold a stake valued at $0.
Richard Koo has shown a selling trading pattern, with $49.4K in total purchases and $2.0M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Richard Koo was on May 27, 2020, when they sold $868.7K worth of AMPH shares. This transaction involved 47,782 shares at $18.18 per share.
Richard Koo currently owns 259,289 shares of Amphastar Pharmaceuticals, Inc. (AMPH), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Richard Koo's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Richard Koo has 14 Form 4 filings on record as an insider at Amphastar Pharmaceuticals, Inc..
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