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"Insiders might sell their shares for any number of reasons, but they buy them for only one:
they think the price will rise" - Peter Lynch ==>> What is insider trading>> |

| Transaction & Date | Reported Date |
Company | Symbol | Insider Relationship |
Shares Traded | Average Price | Total Amount |
Shares Ownership |
Filing |
| 2008-07-22 Sale |
2008-07-23 11:18 am | CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 10,000 | $22 | $220,000 | 2,000 (Direct) | View |
| Transaction & Date |
Reported Date |
Company | Symbol | Insider Relationship | Shares Traded | Average Price |
Total Amount |
Shares Ownership |
Filing |
| 2008-07-22 Exercise |
2008-07-23 11:18 am | CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 10,000 | $10.02 | $100,200 | 12,000 (Direct) |
View |
| 2006-06-15 Exercise | 2006-06-15 3:22 pm |
CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 2,000 | $9.56 | $19,120 | 2,000 (Direct) | View |
| Transaction & Date | Reported Date |
Exercisable Expiration | Company | Symbol | Insider Relationship |
Shares Traded | Conversion Price |
Shares Ownership | Filing |
| 2008-07-22 Exercise | 2008-07-23 11:18 am |
2005-06-09 2015-03-09 | CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 10,000 | $10.02 | 0 (Direct) | View |
| 2008-06-11 Option Award | 2008-06-12 5:04 pm | 2009-06-11 2018-06-11 | CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 15,000 | $17.63 | 15,000 (Direct) | View |
| 2007-06-07 Option Award | 2007-06-08 4:34 pm | 2008-06-07 2017-06-07 |
CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 15,000 | $21.88 | 15,000 (Direct) |
View |
| 2006-06-15 Exercise | 2006-06-15 3:22 pm | N/A 2015-06-08 | CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 2,000 | $9.56 | 8,000 (Direct) |
View |
| 2006-06-08 Option Award | 2006-06-09 5:15 pm | 2007-06-08 2016-06-08 |
CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 17,500 | $22.71 | 17,500 (Direct) |
View |
| 2005-06-08 Option Award |
2005-06-09 4:53 pm | 2006-06-08 2015-06-08 |
CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 10,000 | $9.56 | 10,000 (Direct) |
View |
| 2005-03-09 Option Award |
2005-03-11 12:48 pm |
2005-06-09 2015-03-09 |
CUBIST PHARMACEUTICALS INC | CBST | Rosenberg Martin (Director) | 10,000 | $10.02 | 10,000 (Direct) |
View |
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