Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Mardi Dier currently holds 40,000 shares of PORTOLA PHARMACEUTICALS INC (PTLA), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mardi Dier has been a net seller of PTLA stock. They have purchased $321.5K and sold $15.3M worth of shares.
Mardi Dier's most recent insider trade was on Jan 2, 2026, when they sold 40,000 shares at $0.00 per share.
Mardi Dier serves as Executive at PORTOLA PHARMACEUTICALS INC (PTLA). They have executed 107 insider transactions totaling $15.6M over their tenure at the company.
Mardi Dier 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 12 years and currently hold a stake valued at $0.
Mardi Dier has shown a selling trading pattern, with $321.5K in total purchases and $15.3M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Mardi Dier was on Apr 4, 2019, when they sold $1.5M worth of PTLA shares. This transaction involved 40,486 shares at $37.39 per share.
Mardi Dier currently owns 40,000 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 Mardi Dier's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Mardi Dier has 107 Form 4 filings on record as an insider at PORTOLA PHARMACEUTICALS INC.
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