Mardi Dier serves as Executive at PORTOLA PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Mardi Dier has executed 105 insider transactions totaling $15.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jun 18, 2014 involved selling 3,706 shares valued at $111.0K.
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 Jun 18, 2014, when they sold 3,706 shares at $29.95 per share.
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| $23.00 |
| Discretionary |
| Apr 25, 2014 | PTLA | $2.5K | Sale | 100 | $24.75 | Discretionary |
| Apr 25, 2014 | PTLA | $118.2K | Sale | 4,900 | $24.13 | Discretionary |
| Mar 25, 2014 | PTLA | $128.4K | Sale | 5,000 | $25.69 | Discretionary |