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 Sep 5, 2013 involved selling 8,600 shares valued at $139.5K.
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 Sep 5, 2013, when they sold 8,600 shares at $16.22 per share.
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| $15.84 |
| Discretionary |
| Aug 20, 2013 | RPXC | $0 | Option Exercise | 7,813 | $N/A | Discretionary |
| Aug 20, 2013 | RPXC | $135.2K | Sale | 8,600 | $15.72 | Discretionary |
| Aug 19, 2013 | RPXC | $134.9K | Sale | 8,600 | $15.69 | Discretionary |
| Aug 8, 2013 | RPXC | $138.6K | Sale | 8,600 | $16.12 | Discretionary |
| Aug 7, 2013 | RPXC | $137.3K | Sale | 8,600 | $15.96 | Discretionary |
| Jul 24, 2013 | RPXC | $161.2K | Sale | 8,600 | $18.74 | Discretionary |
| Jul 23, 2013 | RPXC | $162.6K | Sale | 8,600 | $18.91 | Discretionary |
| Jul 10, 2013 | RPXC | $148.3K | Sale | 8,600 | $17.24 | Discretionary |
| Jul 9, 2013 | RPXC | $146.3K | Sale | 8,600 | $17.01 | Discretionary |
| Jun 26, 2013 | RPXC | $140.8K | Sale | 8,600 | $16.37 | Discretionary |
| Jun 25, 2013 | RPXC | $140.3K | Sale | 8,600 | $16.31 | Discretionary |
| Jun 14, 2013 | RPXC | $137.0K | Sale | 8,600 | $15.93 | Discretionary |
| Jun 13, 2013 | RPXC | $135.1K | Sale | 8,600 | $15.71 | Discretionary |
| May 29, 2013 | RPXC | $130.5K | Sale | 8,600 | $15.17 | Discretionary |
| May 28, 2013 | RPXC | $130.5K | Sale | 8,600 | $15.17 | Discretionary |
| May 23, 2013 | RPXC | $45.9K | Sale | 3,055 | $15.04 | Discretionary |
| May 20, 2013 | RPXC | $0 | Option Exercise | 7,812 | $N/A | Discretionary |
| May 14, 2013 | RPXC | $129.1K | Sale | 8,600 | $15.01 | Discretionary |
| May 13, 2013 | RPXC | $128.7K | Sale | 8,600 | $14.97 | Discretionary |
| May 2, 2013 | RPXC | $133.8K | Sale | 8,600 | $15.56 | Discretionary |
| May 1, 2013 | RPXC | $125.0K | Sale | 8,600 | $14.54 | Discretionary |
| Apr 18, 2013 | RPXC | $113.1K | Sale | 8,600 | $13.15 | Discretionary |
| Apr 17, 2013 | RPXC | $111.5K | Sale | 8,600 | $12.97 | Discretionary |
| Apr 5, 2013 | RPXC | $116.8K | Sale | 8,600 | $13.58 | Discretionary |
| Apr 4, 2013 | RPXC | $117.4K | Sale | 8,600 | $13.65 | Discretionary |
| Feb 28, 2013 | RPXC | $0 | Gift | 482,546 | $N/A | Discretionary |
| Feb 21, 2013 | RPXC | $0 | Gift | 11,463 | $N/A | Discretionary |
| Feb 20, 2013 | RPXC | $146.0K | Sale | 11,400 | $12.81 | Discretionary |