Robert S. Porter serves as Executive at PLATINUM UNDERWRITERS HOLDINGS LTD, where they oversee executive responsibilities. Since joining the company, Robert S. Porter has executed 32 insider transactions totaling $13.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Mar 2, 2015 involved selling 189,935 shares valued at $12.5M.
Robert S. Porter currently holds 189,935 shares of PLATINUM UNDERWRITERS HOLDINGS LTD (PTP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert S. Porter has been a net seller of PTP stock. They have purchased $0 and sold $13.3M worth of shares.
Robert S. Porter's most recent insider trade was on Mar 2, 2015, when they sold 189,935 shares at $66.00 per share.
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| $N/A |
| Discretionary |
| Jul 14, 2014 | PTP | $0 | Option Exercise | 18,735 | $N/A | Discretionary |
| Feb 11, 2014 | PTP | $0 | Award | 1,738 | $N/A | Discretionary |
| Apr 26, 2013 | PTP | $1.8M | Option Exercise | 58,253 | $30.58 | Discretionary |
| Apr 26, 2013 | PTP | $3.3M | Sale | 58,253 | $56.41 | Discretionary |
| Apr 26, 2013 | PTP | $1.7M | Option Exercise | 50,596 | $34.34 | Discretionary |
| Apr 26, 2013 | PTP | $328.2K | Option Exercise | 10,673 | $30.75 | Discretionary |
| Apr 26, 2013 | PTP | $988.8K | Option Exercise | 29,150 | $33.92 | Discretionary |
| Apr 26, 2013 | PTP | $1.6M | Sale | 29,150 | $56.40 | Discretionary |
| Apr 26, 2013 | PTP | $602.0K | Sale | 10,673 | $56.40 | Discretionary |
| Apr 26, 2013 | PTP | $2.9M | Sale | 50,596 | $56.41 | Discretionary |
| Feb 22, 2013 | PTP | $0 | Award | 1,116 | $N/A | Discretionary |
| Feb 13, 2013 | PTP | $0 | Award | 1,739 | $N/A | Discretionary |
| Feb 23, 2012 | PTP | $0 | Award | 3,618 | $N/A | Discretionary |
| Feb 21, 2012 | PTP | $0 | Option Exercise | 3,132 | $N/A | Discretionary |
| Feb 21, 2011 | PTP | $0 | Award | 14,950 | $N/A | Discretionary |
| Feb 21, 2011 | PTP | $0 | Option Exercise | 6,188 | $N/A | Discretionary |
| Feb 21, 2011 | PTP | $0 | Option Exercise | 3,133 | $N/A | Discretionary |
| Oct 29, 2010 | PTP | $1.3M | Option Exercise | 50,000 | $26.74 | Discretionary |
| Oct 29, 2010 | PTP | $2.2M | Sale | 50,000 | $43.30 | Discretionary |
| Jul 23, 2010 | PTP | $1.1M | Option Exercise | 50,000 | $22.50 | Discretionary |
| Jul 23, 2010 | PTP | $2.0M | Sale | 50,000 | $39.54 | Discretionary |
| Apr 29, 2010 | PTP | $0 | Award | 27,226 | $N/A | Discretionary |
| Feb 21, 2010 | PTP | $0 | Award | 20,420 | $N/A | Discretionary |
| Feb 21, 2010 | PTP | $0 | Option Exercise | 6,189 | $N/A | Discretionary |
| Oct 30, 2009 | PTP | $724.0K | Sale | 20,000 | $36.20 | Discretionary |
| Feb 28, 2009 | PTP | $0 | Award | 20,848 | $N/A | Discretionary |
| Feb 24, 2009 | PTP | $0 | Option Exercise | 1,423 | $N/A | Discretionary |
| Jul 23, 2008 | PTP | $0 | Award | 40,000 | $N/A | Discretionary |