John A. Amster serves as Executive at RPX Corp, where they oversee executive responsibilities. Since joining the company, John A. Amster has executed 161 insider transactions totaling $27.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 25, 2014 involved selling 8,311 shares valued at $132.2K.
John A. Amster currently holds 1,044,119 shares of RPX Corp (RPXC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John A. Amster has been a net seller of RPXC stock. They have purchased $0 and sold $27.4M worth of shares.
John A. Amster's most recent insider trade was on Jul 25, 2014, when they sold 8,311 shares at $15.91 per share.
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| $16.19 |
| Discretionary |
| Jul 24, 2014 | RPXC | $135.3K | Sale | 8,356 | $16.19 | Discretionary |
| Jun 26, 2014 | RPXC | $178.3K | Sale | 10,389 | $17.16 | Discretionary |
| Jun 26, 2014 | RPXC | $142.6K | Sale | 8,311 | $17.16 | Discretionary |
| Jun 25, 2014 | RPXC | $179.7K | Sale | 10,444 | $17.21 | Discretionary |
| Jun 25, 2014 | RPXC | $143.9K | Sale | 8,356 | $17.22 | Discretionary |
| May 20, 2014 | RPXC | $47.1K | Payment | 2,936 | $16.05 | Discretionary |
| May 20, 2014 | RPXC | $0 | Option Exercise | 7,812 | $N/A | Discretionary |
| May 13, 2014 | RPXC | $135.0K | Sale | 8,311 | $16.24 | Discretionary |
| May 13, 2014 | RPXC | $168.7K | Sale | 10,389 | $16.24 | Discretionary |
| May 12, 2014 | RPXC | $135.7K | Sale | 8,356 | $16.24 | Discretionary |
| May 12, 2014 | RPXC | $169.6K | Sale | 10,444 | $16.24 | Discretionary |
| Apr 3, 2014 | RPXC | $138.0K | Sale | 8,311 | $16.61 | Discretionary |
| Apr 3, 2014 | RPXC | $172.8K | Sale | 10,389 | $16.63 | Discretionary |
| Apr 2, 2014 | RPXC | $138.8K | Sale | 8,356 | $16.61 | Discretionary |
| Apr 2, 2014 | RPXC | $173.5K | Sale | 10,444 | $16.61 | Discretionary |
| Mar 21, 2014 | RPXC | $183.0K | Sale | 11,400 | $16.05 | Discretionary |
| Mar 20, 2014 | RPXC | $137.1K | Sale | 8,600 | $15.94 | Discretionary |
| Mar 7, 2014 | RPXC | $138.2K | Sale | 8,600 | $16.07 | Discretionary |
| Mar 6, 2014 | RPXC | $138.0K | Sale | 8,600 | $16.05 | Discretionary |
| Feb 20, 2014 | RPXC | $237.5K | Payment | 14,681 | $16.18 | Discretionary |
| Feb 20, 2014 | RPXC | $0 | Option Exercise | 39,063 | $N/A | Discretionary |
| Feb 19, 2014 | RPXC | $142.0K | Sale | 8,600 | $16.51 | Discretionary |
| Feb 18, 2014 | RPXC | $142.3K | Sale | 8,600 | $16.55 | Discretionary |
| Feb 5, 2014 | RPXC | $132.2K | Sale | 8,600 | $15.37 | Discretionary |
| Feb 4, 2014 | RPXC | $135.0K | Sale | 8,600 | $15.70 | Discretionary |
| Jan 22, 2014 | RPXC | $145.4K | Sale | 8,600 | $16.91 | Discretionary |
| Jan 21, 2014 | RPXC | $145.0K | Sale | 8,600 | $16.86 | Discretionary |
| Jan 7, 2014 | RPXC | $145.4K | Sale | 8,600 | $16.91 | Discretionary |