Michael S. Brown serves as Executive at REGENERON PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Michael S. Brown has executed 303 insider transactions totaling $73.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 21, 2011 involved exercising options for 5,000 shares valued at $45.9K.
Michael S. Brown currently holds 1,962 shares of REGENERON PHARMACEUTICALS INC (REGN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Michael S. Brown has been a net seller of REGN stock. They have purchased $0 and sold $73.4M worth of shares.
Michael S. Brown's most recent insider trade was on Sep 21, 2011, when they sold 5,000 shares at $9.17 per share.
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| $78.00 |
| Discretionary |
| Sep 8, 2011 | REGN | $45.9K | Option Exercise | 5,000 | $9.17 | Discretionary |
| Sep 8, 2011 | REGN | $370.0K | Sale | 5,000 | $74.00 | Discretionary |
| Sep 7, 2011 | REGN | $345.0K | Sale | 5,000 | $69.00 | Discretionary |
| Sep 7, 2011 | REGN | $45.9K | Option Exercise | 5,000 | $9.17 | Discretionary |
| Jul 1, 2011 | REGN | $87.2K | Option Exercise | 3,025 | $28.81 | Discretionary |
| Jul 1, 2011 | REGN | $169.1K | Sale | 3,025 | $55.89 | Discretionary |
| Jul 1, 2011 | REGN | $345.0K | Option Exercise | 11,975 | $28.81 | Discretionary |
| Jul 1, 2011 | REGN | $673.5K | Sale | 11,975 | $56.24 | Discretionary |
| Jul 1, 2011 | REGN | $158.0K | Option Exercise | 10,000 | $15.80 | Discretionary |
| Jul 1, 2011 | REGN | $564.5K | Sale | 10,000 | $56.45 | Discretionary |
| Apr 18, 2011 | REGN | $245.0K | Sale | 5,000 | $49.00 | Discretionary |
| Mar 31, 2011 | REGN | $147.7K | Sale | 3,309 | $44.65 | Discretionary |
| Mar 30, 2011 | REGN | $75.0K | Payment | 1,691 | $44.35 | Discretionary |
| Mar 30, 2011 | REGN | $75.0K | Option Exercise | 5,000 | $15.01 | Discretionary |
| Mar 10, 2011 | REGN | $120.9K | Sale | 3,094 | $39.09 | Discretionary |
| Mar 9, 2011 | REGN | $75.0K | Payment | 1,906 | $39.35 | Discretionary |
| Mar 9, 2011 | REGN | $200.0K | Sale | 5,000 | $40.00 | Discretionary |
| Mar 9, 2011 | REGN | $75.0K | Option Exercise | 5,000 | $15.01 | Discretionary |
| Jan 19, 2011 | REGN | $101.4K | Sale | 2,849 | $35.59 | Discretionary |
| Jan 19, 2011 | REGN | $82.1K | Sale | 2,306 | $35.60 | Discretionary |
| Jan 18, 2011 | REGN | $75.0K | Payment | 2,151 | $34.88 | Discretionary |
| Jan 18, 2011 | REGN | $75.0K | Option Exercise | 5,000 | $15.01 | Discretionary |
| Jan 18, 2011 | REGN | $94.0K | Payment | 2,694 | $34.88 | Discretionary |
| Jan 18, 2011 | REGN | $94.0K | Option Exercise | 5,000 | $18.80 | Discretionary |
| Dec 22, 2010 | REGN | $0 | Gift | 5,000 | $N/A | Discretionary |
| Dec 20, 2010 | REGN | $3.3K | Sale | 100 | $32.89 | Discretionary |
| Dec 20, 2010 | REGN | $66.6K | Sale | 2,003 | $33.24 | Discretionary |
| Dec 17, 2010 | REGN | $94.0K | Payment | 2,897 | $32.44 | Discretionary |