Martin Rosenberg serves as Executive at CUBIST PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Martin Rosenberg has executed 21 insider transactions totaling $3.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 9, 2013 involved exercising options for 9,472 shares valued at $360.5K.
Martin Rosenberg currently holds 21,477 shares of CUBIST PHARMACEUTICALS INC (CBST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Martin Rosenberg has been a net seller of CBST stock. They have purchased $0 and sold $3.3M worth of shares.
Martin Rosenberg's most recent insider trade was on Sep 9, 2013, when they sold 9,472 shares at $38.06 per share.
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| 6,000 |
| $9.56 |
| Discretionary |
| Sep 9, 2013 | CBST | $1.0M | Sale | 15,472 | $65.00 | Discretionary |
| Jun 6, 2013 | CBST | $0 | Option Exercise | 1,347 | $N/A | Discretionary |
| Oct 1, 2012 | CBST | $477.5K | Sale | 10,000 | $47.75 | Discretionary |
| Oct 1, 2012 | CBST | $227.1K | Option Exercise | 10,000 | $22.71 | Discretionary |
| Jul 2, 2012 | CBST | $170.3K | Option Exercise | 7,500 | $22.71 | Discretionary |
| Jul 2, 2012 | CBST | $378.8K | Sale | 10,000 | $37.88 | Discretionary |
| Jul 2, 2012 | CBST | $54.7K | Option Exercise | 2,500 | $21.88 | Discretionary |
| Apr 2, 2012 | CBST | $0 | Option Exercise | 10,000 | $N/A | Discretionary |
| Apr 2, 2012 | CBST | $427.6K | Sale | 10,000 | $42.76 | Discretionary |
| Jan 3, 2012 | CBST | $136.7K | Option Exercise | 7,500 | $18.22 | Discretionary |
| Jan 3, 2012 | CBST | $400.8K | Sale | 10,000 | $40.08 | Discretionary |
| Jan 3, 2012 | CBST | $54.7K | Option Exercise | 2,500 | $21.88 | Discretionary |
| Dec 15, 2011 | CBST | $209.5K | Option Exercise | 11,500 | $18.22 | Discretionary |
| Dec 15, 2011 | CBST | $426.6K | Sale | 11,500 | $37.10 | Discretionary |
| Jun 4, 2009 | CBST | $12.0K | Award | 658 | $18.22 | Discretionary |
| Mar 30, 2009 | CBST | $19.1K | Option Exercise | 2,000 | $9.56 | Discretionary |
| Jul 22, 2008 | CBST | $220.0K | Sale | 10,000 | $22.00 | Discretionary |
| Jul 22, 2008 | CBST | $100.2K | Option Exercise | 10,000 | $10.02 | Discretionary |
| Jun 15, 2006 | CBST | $19.1K | Option Exercise | 2,000 | $9.56 | Discretionary |