Leonard S. Schleifer serves as Executive at REGENERON PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Leonard S. Schleifer has executed 273 insider transactions totaling $461.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 1, 2012 involved selling 2,300 shares valued at $307.9K.
Leonard S. Schleifer currently holds 595,077 shares of REGENERON PHARMACEUTICALS INC (REGN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Leonard S. Schleifer has been a net seller of REGN stock. They have purchased $0 and sold $461.4M worth of shares.
Leonard S. Schleifer's most recent insider trade was on May 1, 2012, when they sold 2,300 shares at $133.86 per share.
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| $111.01 |
| Discretionary |
| Feb 14, 2012 | REGN | $4.9M | Payment | 43,757 | $111.01 | Discretionary |
| Feb 14, 2012 | REGN | $3.1M | Option Exercise | 234,616 | $13.00 | Discretionary |
| Feb 14, 2012 | REGN | $199.9K | Payment | 1,801 | $111.01 | Discretionary |
| Feb 14, 2012 | REGN | $200.0K | Option Exercise | 15,384 | $13.00 | Discretionary |
| Feb 14, 2012 | REGN | $10.5M | Payment | 95,016 | $111.01 | Discretionary |
| Feb 14, 2012 | REGN | $4.9M | Option Exercise | 250,000 | $19.43 | Discretionary |
| Feb 14, 2012 | REGN | $10.6M | Payment | 95,429 | $111.01 | Discretionary |
| Feb 14, 2012 | REGN | $3.0M | Payment | 27,475 | $111.01 | Discretionary |
| Dec 16, 2011 | REGN | $7.0M | Payment | 134,585 | $52.03 | Discretionary |
| Dec 16, 2011 | REGN | $2.8M | Payment | 53,344 | $52.03 | Discretionary |
| Dec 16, 2011 | REGN | $7.0M | Option Exercise | 250,000 | $28.01 | Discretionary |
| Sep 6, 2011 | REGN | $228.4K | Sale | 3,500 | $65.27 | Discretionary |
| Sep 6, 2011 | REGN | $0 | Conversion | 7,000 | $N/A | Discretionary |
| Sep 6, 2011 | REGN | $41.9K | Sale | 630 | $66.54 | Discretionary |
| Sep 6, 2011 | REGN | $5.7K | Sale | 90 | $63.01 | Discretionary |
| Sep 6, 2011 | REGN | $34.2K | Sale | 500 | $68.42 | Discretionary |
| Sep 6, 2011 | REGN | $11.8K | Sale | 180 | $65.56 | Discretionary |
| Sep 6, 2011 | REGN | $179.3K | Sale | 2,700 | $66.42 | Discretionary |
| Sep 6, 2011 | REGN | $20.3K | Sale | 300 | $67.50 | Discretionary |
| Dec 15, 2009 | REGN | $1.3M | Payment | 66,138 | $19.89 | Discretionary |
| Dec 15, 2009 | REGN | $739.0K | Payment | 37,155 | $19.89 | Discretionary |
| Dec 15, 2009 | REGN | $1.3M | Option Exercise | 150,000 | $8.77 | Discretionary |
| Oct 27, 2009 | REGN | $330.0K | Option Exercise | 31,611 | $10.44 | Discretionary |
| Sep 13, 2009 | REGN | $181.6K | Sale | 11,007 | $16.50 | Discretionary |
| Sep 13, 2009 | REGN | $51.4K | Sale | 3,093 | $16.61 | Discretionary |
| Sep 13, 2009 | REGN | $24.8K | Sale | 1,500 | $16.55 | Discretionary |
| Sep 13, 2009 | REGN | $1.7K | Sale | 100 | $16.52 | Discretionary |
| Sep 13, 2009 | REGN | $3.3K | Sale | 200 | $16.58 | Discretionary |