Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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James N. Topper currently holds 3,028,524 shares of PORTOLA PHARMACEUTICALS INC (PTLA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, James N. Topper has been a net buyer of PTLA stock. They have purchased $106.6M and sold $370.2K worth of shares.
James N. Topper's most recent insider trade was on Sep 17, 2025, when they sold 17,199 shares at $1.95 per share.
James N. Topper serves as Executive at PORTOLA PHARMACEUTICALS INC (PTLA). They have executed 995 insider transactions totaling $107.0M over their tenure at the company.
James N. Topper holds the position of Executive at PORTOLA PHARMACEUTICALS INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
James N. Topper has shown a buying trading pattern, with $106.6M in total purchases and $370.2K in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by James N. Topper was on May 3, 2022, when they sold $37.2M worth of HLVX shares. This transaction involved 2,736,234 shares at $13.60 per share.
James N. Topper currently owns 3,028,524 shares of PORTOLA PHARMACEUTICALS INC (PTLA), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of James N. Topper's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. James N. Topper has 995 Form 4 filings on record as an insider at PORTOLA PHARMACEUTICALS INC.
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