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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 |
| 2008-11-19 Sale |
2008-11-20 09:44 am | CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $22.78 | $45,560 | 2,000 (Direct) | View |
| 2008-11-10 Sale | 2008-11-12 2:59 pm |
CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 5,352 | $25.98 | $139,045 | 10,316 (Direct) |
View |
| 2008-11-07 Sale | 2008-11-10 11:36 am | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 300 | $25.98 | $7,794 | 10,316 (Direct) | View |
| 2008-10-31 Sale |
2008-11-03 4:16 pm |
CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $24.94 | $623,500 | 3,420 (Direct) | View |
| 2008-10-30 Sale | 2008-11-03 4:11 pm |
CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 10,000 | $22.72 | $227,190 | 10,316 (Direct) |
View |
| 2008-10-29 Sale |
2008-10-30 5:01 pm | CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $21.6 | $43,200 | 2,000 (Direct) |
View |
| 2008-10-23 Sale |
2008-10-27 11:40 am | CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $21.23 | $530,658 | 3,420 (Direct) | View |
| 2008-10-23 Purchase | 2008-10-27 11:36 am | CUBIST PHARMACEUTICALS INC | CBST | Hutson Nancy J (Director) | 2,000 | $21.03 | $42,070 | 2,000 (Direct) |
View |
| 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 |
| 2004-12-01 Sale | 2004-12-02 2:28 pm | CUBIST PHARMACEUTICALS INC | CBST | ROCKLAGE SCOTT M (Director) | 10,000 | $11.91 | $119,122 | 166,448 (Direct) | View |
| Transaction & Date |
Reported Date | Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Ownership |
Filing |
| 2008-11-19 Exercise |
2008-11-20 09:44 am |
CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $11.89 | $23,780 | 4,000 (Direct) |
View |
| 2008-11-10 Exercise | 2008-11-12 2:59 pm | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 5,352 | $10.35 | $55,393 | 15,668 (Direct) | View |
| 2008-11-07 Exercise |
2008-11-10 11:36 am | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 300 | $10.35 | $3,105 | 10,616 (Direct) |
View |
| 2008-10-31 Exercise |
2008-11-03 4:16 pm |
CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $9.98 | $249,500 | 28,420 (Direct) | View |
| 2008-10-30 Exercise | 2008-11-03 4:11 pm | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 10,000 | $10.35 | $103,500 | 20,316 (Direct) |
View |
| 2008-10-29 Exercise | 2008-10-30 5:01 pm | CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $11.89 | $23,780 | 4,000 (Direct) |
View |
| 2008-10-23 Exercise |
2008-10-27 11:40 am |
CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $10.84 | $271,000 | 28,420 (Direct) |
View |
| 2008-09-30 Other |
2008-10-02 11:04 am | CUBIST PHARMACEUTICALS INC | CBST | JOSEPH TAMARA L (SVP, GC & Secretary) | 156 | $22.23 | $3,468 | 541 (Direct) | View |
| 2008-09-30 Other | 2008-10-02 11:00 am | CUBIST PHARMACEUTICALS INC | CBST | GILMAN STEVEN C (Senior Vice President) | 181 | $22.23 | $4,024 | 2,531 (Direct) |
View |
| 2008-09-30 Other |
2008-10-02 10:57 am | CUBIST PHARMACEUTICALS INC | CBST | Fellows Lindon M (Senior Vice President) | 23 | $22.23 | $511 | 3,569 (Direct) |
View |
| 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 |
| 2008-06-30 Other |
2008-07-01 4:59 pm | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 865 | $15.41 | $13,332 | 10,316 (Direct) | View |
| 2008-06-30 Other | 2008-07-01 4:56 pm |
CUBIST PHARMACEUTICALS INC | CBST | JOSEPH TAMARA L (SVP, GC & Secretary) | 385 | $17.86 | $6,876 | 385 (Direct) | View |
| 2008-06-30 Other | 2008-07-01 4:54 pm | CUBIST PHARMACEUTICALS INC | CBST | GILMAN STEVEN C (Senior Vice President) | 229 | $17.86 | $4,090 | 2,350 (Direct) |
View |
| 2008-06-30 Other | 2008-07-01 4:52 pm | CUBIST PHARMACEUTICALS INC | CBST | Fellows Lindon M (Senior Vice President) | 644 | $15.83 | $10,194 | 3,546 (Direct) |
View |
| 2008-06-30 Other |
2008-07-01 4:50 pm |
CUBIST PHARMACEUTICALS INC | CBST | BONNEY MICHAEL W (President and CEO Director) | 757 | $15.18 | $11,492 | 57,579 (Direct) |
View |
| 2008-06-11 Option Award | 2008-06-12 4:43 pm |
CUBIST PHARMACEUTICALS INC | CBST | Wood Michael B (Director) | 680 | $17.63 | $11,988 | 2,680 (Direct) | View |
| 2008-06-11 Option Award | 2008-06-12 4:40 pm | CUBIST PHARMACEUTICALS INC | CBST | Soeters Martinus Hermanus (Director) | 680 | $17.63 | $11,988 | 2,680 (Direct) | View |
| 2008-06-11 Option Award | 2008-06-12 4:30 pm |
CUBIST PHARMACEUTICALS INC | CBST | MARTIN DAVID W JR (Director) | 680 | $17.63 | $11,988 | 32,261 (Direct) | View |
| 2008-06-11 Option Award |
2008-06-12 4:27 pm | CUBIST PHARMACEUTICALS INC | CBST | Gregoire Sylvie (Director) | 680 | $17.63 | $11,988 | 680 (Direct) |
View |
| 2008-06-11 Option Award | 2008-06-12 4:23 pm |
CUBIST PHARMACEUTICALS INC | CBST | BATE KENNETH (Director) | 1,020 | $17.63 | $17,983 | 3,520 (Direct) | View |
| 2008-05-01 Exercise | 2008-05-05 4:26 pm | CUBIST PHARMACEUTICALS INC | CBST | MARTIN DAVID W JR (Director) | 700 | $5.25 | $3,675 | 31,581 (Direct) | View |
| 2008-03-31 Other | 2008-04-02 11:11 am | CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 489 | $18.42 | $9,007 | 9,451 (Direct) | View |
| 2008-03-31 Other |
2008-04-02 11:06 am | CUBIST PHARMACEUTICALS INC | CBST | GUIFFRE CHRISTOPHERD T (Senior Vice President) | 307 | $18.42 | $5,655 | 5,359 (Direct) | View |
| 2006-09-29 Other |
2006-10-03 2:12 pm | CUBIST PHARMACEUTICALS INC | CBST | TALLY FRANCIS P (Senior Vice President) | 86 | $21.74 | $1,870 | 96,900 (Direct) |
View |
| 2006-01-09 Other | 2006-01-10 4:38 pm |
CUBIST PHARMACEUTICALS INC | CBST | GUIFFRE CHRISTOPHERD T (Senior Vice President) | 445 | $21.24 | $9,452 | 4,431 (Direct) |
View |
| 2005-01-26 Gift | 2005-01-27 3:26 pm | CUBIST PHARMACEUTICALS INC | CBST | CLARKE JOHN K (Director) | 13,600 | $0 | $0 | 1,700 (Direct Indirect) |
View |
| Transaction & Date | Reported Date |
Exercisable Expiration | Company | Symbol | Insider Relationship |
Shares Traded | Conversion Price | Shares Ownership | Filing |
| 2008-11-19 Exercise | 2008-11-20 09:44 am | 2003-09-10 2013-06-10 |
CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $11.89 | 6,000 (Direct) | View |
| 2008-11-10 Exercise |
2008-11-12 2:59 pm |
2005-09-14 2015-06-14 |
CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 5,352 | $10.35 | 44,348 (Direct) | View |
| 2008-11-07 Exercise | 2008-11-10 11:36 am |
2005-09-14 2015-06-14 |
CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 300 | $10.35 | 49,700 (Direct) | View |
| 2008-10-31 Exercise |
2008-11-03 4:16 pm | 2003-03-02 2012-12-02 | CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $9.98 | 50,000 (Direct) |
View |
| 2008-10-30 Exercise | 2008-11-03 4:11 pm | 2005-09-14 2015-06-14 |
CUBIST PHARMACEUTICALS INC | CBST | PEREZ ROBERT J (Executive Vice President) | 10,000 | $10.35 | 50,000 (Direct) |
View |
| 2008-10-29 Exercise | 2008-10-30 5:01 pm |
2003-09-10 2013-06-10 | CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 2,000 | $11.89 | 8,000 (Direct) | View |
| 2008-10-23 Exercise |
2008-10-27 11:40 am |
2004-10-01 2014-07-01 |
CUBIST PHARMACEUTICALS INC | CBST | MCGIRR DAVID W J (SVP & Chief Financial Officer) | 25,000 | $10.84 | 0 (Direct) |
View |
| 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 |
| 2008-06-20 Option Award |
2008-06-24 3:42 pm | 2008-09-20 2018-06-20 | CUBIST PHARMACEUTICALS INC | CBST | CORRIGAN MARK (Director) | 10,000 | $17.78 | 10,000 (Direct) |
View |
| 2008-06-12 Option Award |
2008-06-16 4:52 pm | 2008-09-12 2018-06-12 |
CUBIST PHARMACEUTICALS INC | CBST | Hutson Nancy J (Director) | 10,000 | $17.95 | 10,000 (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 |
| 2008-06-11 Option Award | 2008-06-12 4:43 pm | 2009-06-11 2018-06-11 | CUBIST PHARMACEUTICALS INC | CBST | Wood Michael B (Director) | 15,000 | $17.63 | 15,000 (Direct) | View |
| 2008-06-11 Option Award | 2008-06-12 4:40 pm |
2009-06-11 2018-06-11 |
CUBIST PHARMACEUTICALS INC | CBST | Soeters Martinus Hermanus (Director) | 15,000 | $17.63 | 15,000 (Direct) |
View |
| 2008-06-11 Option Award | 2008-06-12 4:37 pm | 2009-06-11 2018-06-11 |
CUBIST PHARMACEUTICALS INC | CBST | SINGLETON J MATTHEW (Director) | 15,000 | $17.63 | 15,000 (Direct) |
View |
| 2008-06-11 Option Award |
2008-06-12 4:34 pm |
2009-06-11 2018-06-11 | CUBIST PHARMACEUTICALS INC | CBST | MAUPAY WALTER R JR (Director) | 15,000 | $17.63 | 15,000 (Direct) |
View |
| 2008-06-11 Option Award | 2008-06-12 4:30 pm |
2009-06-11 2018-06-11 |
CUBIST PHARMACEUTICALS INC | CBST | MARTIN DAVID W JR (Director) | 15,000 | $17.63 | 15,000 (Direct) |
View |
| 2008-06-11 Option Award | 2008-06-12 4:27 pm |
2009-06-11 2018-06-11 |
CUBIST PHARMACEUTICALS INC | CBST | Gregoire Sylvie (Director) | 15,000 | $17.63 | 15,000 (Direct) | View |
| 2008-06-11 Option Award |
2008-06-12 4:23 pm | 2009-06-11 2018-06-11 |
CUBIST PHARMACEUTICALS INC | CBST | BATE KENNETH (Director) | 22,500 | $17.63 | 22,500 (Direct) |
View |
| 2008-05-15 Option Award |
2008-05-19 12:50 pm |
2008-08-15 2018-05-15 | CUBIST PHARMACEUTICALS INC | CBST | JOSEPH TAMARA L (SVP, GC & Secretary) | 100,000 | $19.16 | 100,000 (Direct) |
View |
| 2008-05-01 Exercise | 2008-05-05 4:26 pm |
1998-08-20 2008-05-20 |
CUBIST PHARMACEUTICALS INC | CBST | MARTIN DAVID W JR (Director) | 700 | $5.25 | 0 (Direct) |
View |
| 2004-06-10 Option Award |
2004-06-14 12:09 pm |
2005-06-10 2014-06-10 |
CUBIST PHARMACEUTICALS INC | CBST | BAYH SUSAN B (Director) | 12,500 | $10.09 | 12,500 (Direct) |
View |
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