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 19, 2012 involved selling 8,600 shares valued at $103.6K.
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 19, 2012, when they sold 8,600 shares at $12.05 per share.
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| $12.18 |
| Discretionary |
| Sep 5, 2012 | RPXC | $103.5K | Sale | 8,600 | $12.04 | Discretionary |
| Sep 4, 2012 | RPXC | $101.1K | Sale | 8,600 | $11.76 | Discretionary |
| Jun 27, 2012 | RPXC | $129.1K | Sale | 8,600 | $15.01 | Discretionary |
| Nov 18, 2011 | RPXC | $0 | Gift | 1,594,467 | $N/A | Discretionary |
| Sep 21, 2011 | RPXC | $2.7M | Sale | 137,724 | $19.57 | Discretionary |
| Sep 21, 2011 | RPXC | $5.0M | Sale | 256,543 | $19.57 | Discretionary |
| May 9, 2011 | RPXC | $3.7M | Sale | 210,000 | $17.67 | Discretionary |
| Jan 12, 2011 | RPXC | $0 | Gift | 870,000 | $N/A | Discretionary |
| Nov 12, 2010 | RPXC | $1.6M | Disposition | 205,656 | $7.78 | Discretionary |