George L. Sing serves as Executive at REGENERON PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, George L. Sing has executed 190 insider transactions totaling $147.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 27, 2015 involved exercising options for 5,000 shares valued at $98.5K.
George L. Sing currently holds 30,852 shares of REGENERON PHARMACEUTICALS INC (REGN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, George L. Sing has been a net seller of REGN stock. They have purchased $448.3K and sold $147.0M worth of shares.
George L. Sing's most recent insider trade was on May 27, 2015, when they sold 5,000 shares at $19.69 per share.
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| $423.12 |
| Discretionary |
| Feb 20, 2015 | REGN | $279.1K | Option Exercise | 15,000 | $18.61 | Discretionary |
| Feb 21, 2014 | REGN | $1.7M | Sale | 5,000 | $338.00 | Discretionary |
| Feb 21, 2014 | REGN | $79.0K | Option Exercise | 5,000 | $15.80 | Discretionary |
| Feb 21, 2014 | REGN | $1.7M | Sale | 5,000 | $339.00 | Discretionary |
| Feb 21, 2014 | REGN | $79.0K | Option Exercise | 5,000 | $15.80 | Discretionary |
| Feb 21, 2014 | REGN | $1.7M | Sale | 5,000 | $340.00 | Discretionary |
| Feb 21, 2014 | REGN | $79.0K | Option Exercise | 5,000 | $15.80 | Discretionary |
| Feb 14, 2014 | REGN | $4.9M | Sale | 15,000 | $324.00 | Discretionary |
| Feb 14, 2014 | REGN | $137.6K | Option Exercise | 15,000 | $9.17 | Discretionary |
| Nov 26, 2013 | REGN | $3.0M | Sale | 10,000 | $295.00 | Discretionary |
| Nov 26, 2013 | REGN | $150.1K | Option Exercise | 10,000 | $15.01 | Discretionary |
| May 10, 2013 | REGN | $75.0K | Option Exercise | 5,000 | $15.01 | Discretionary |
| May 10, 2013 | REGN | $1.4M | Sale | 5,000 | $270.00 | Discretionary |
| Dec 17, 2012 | REGN | $0 | Gift | 10,000 | $N/A | Discretionary |
| Dec 17, 2012 | REGN | $0 | Gift | 10,000 | $N/A | Discretionary |
| Nov 29, 2012 | REGN | $925.0K | Sale | 5,000 | $185.00 | Discretionary |
| Nov 16, 2012 | REGN | $760.0K | Sale | 5,000 | $152.00 | Discretionary |
| Nov 13, 2012 | REGN | $740.0K | Sale | 5,000 | $148.00 | Discretionary |
| Aug 23, 2012 | REGN | $94.0K | Option Exercise | 5,000 | $18.80 | Discretionary |
| Aug 23, 2012 | REGN | $710.0K | Sale | 5,000 | $142.00 | Discretionary |
| Aug 22, 2012 | REGN | $695.0K | Sale | 5,000 | $139.00 | Discretionary |
| Aug 22, 2012 | REGN | $94.0K | Option Exercise | 5,000 | $18.80 | Discretionary |
| Jul 26, 2012 | REGN | $94.0K | Option Exercise | 5,000 | $18.80 | Discretionary |
| Jul 26, 2012 | REGN | $675.0K | Sale | 5,000 | $135.00 | Discretionary |
| May 31, 2012 | REGN | $229.8K | Sale | 1,700 | $135.15 | Discretionary |
| May 31, 2012 | REGN | $444.6K | Sale | 3,300 | $134.74 | Discretionary |
| May 30, 2012 | REGN | $670.0K | Sale | 5,000 | $134.00 | Discretionary |
| Nov 22, 2011 | REGN | $432.1K | Option Exercise | 15,000 | $28.81 | Discretionary |