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 Aug 23, 2018 involved selling 8,794 shares valued at $229.1K.
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 Aug 23, 2018, when they sold 8,794 shares at $26.05 per share.
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| 17,500 |
| $N/A |
| Discretionary |
| May 22, 2018 | PTLA | $102.6K | Payment | 2,514 | $40.82 | Discretionary |
| May 22, 2018 | PTLA | $0 | Award | 5,859 | $N/A | Discretionary |
| Mar 8, 2018 | PTLA | $78.7K | Disposition | 2,009 | $39.16 | Discretionary |
| Mar 8, 2018 | PTLA | $404.9K | Disposition | 10,465 | $38.69 | Discretionary |
| Mar 2, 2018 | PTLA | $219.1K | Payment | 6,735 | $32.53 | Discretionary |
| Jan 31, 2018 | PTLA | $0 | Award | 10,625 | $N/A | Discretionary |
| Aug 16, 2017 | PTLA | $199.4K | Payment | 3,635 | $54.86 | Discretionary |
| Jul 11, 2017 | PTLA | $1.4M | Sale | 23,350 | $60.00 | Discretionary |
| Jul 11, 2017 | PTLA | $585.6K | Option Exercise | 23,350 | $25.08 | Discretionary |
| Jun 27, 2017 | PTLA | $152.3K | Option Exercise | 16,029 | $9.50 | Discretionary |
| Jun 27, 2017 | PTLA | $8.3K | Option Exercise | 1,191 | $7.00 | Discretionary |
| Jun 27, 2017 | PTLA | $58.5K | Option Exercise | 8,350 | $7.00 | Discretionary |
| Jun 27, 2017 | PTLA | $1.3M | Option Exercise | 60,937 | $22.06 | Discretionary |
| Jun 27, 2017 | PTLA | $172.7K | Option Exercise | 6,885 | $25.08 | Discretionary |
| Jun 27, 2017 | PTLA | $2.3M | Sale | 42,421 | $54.94 | Discretionary |
| Jun 27, 2017 | PTLA | $2.6M | Sale | 46,478 | $55.83 | Discretionary |
| Jun 27, 2017 | PTLA | $254.3K | Sale | 4,493 | $56.61 | Discretionary |
| Mar 15, 2017 | PTLA | $36.5K | Option Exercise | 4,300 | $8.50 | Discretionary |
| Mar 15, 2017 | PTLA | $41.5K | Option Exercise | 5,935 | $7.00 | Discretionary |
| Mar 15, 2017 | PTLA | $409.6K | Sale | 10,235 | $40.02 | Discretionary |
| Mar 2, 2017 | PTLA | $205.9K | Payment | 5,334 | $38.61 | Discretionary |
| Aug 1, 2016 | PTLA | $50.0K | Option Exercise | 15,152 | $3.30 | Discretionary |
| May 1, 2016 | PTLA | $0 | Award | 16,250 | $N/A | Discretionary |
| Mar 2, 2016 | PTLA | $48.4K | Payment | 1,524 | $31.75 | Discretionary |
| Jan 27, 2016 | PTLA | $0 | Award | 13,750 | $N/A | Discretionary |
| Sep 18, 2015 | PTLA | $5.0K | Option Exercise | 978 | $5.10 | Discretionary |
| Sep 18, 2015 | PTLA | $15.0K | Option Exercise | 2,934 | $5.10 | Discretionary |
| Sep 18, 2015 | PTLA | $45.0K | Option Exercise | 5,000 | $9.00 | Discretionary |