Robert J. Perez serves as Executive at CUBIST PHARMACEUTICALS INC, where they oversee executive responsibilities. Since joining the company, Robert J. Perez has executed 125 insider transactions totaling $15.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 10, 2008 involved selling 5,352 shares valued at $139.0K.
Robert J. Perez currently holds 15,806 shares of CUBIST PHARMACEUTICALS INC (CBST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert J. Perez has been a net seller of CBST stock. They have purchased $80.0K and sold $15.5M worth of shares.
Robert J. Perez's most recent insider trade was on Nov 10, 2008, when they sold 5,352 shares at $25.98 per share.
Get notified when new Form 4 filings are submitted
| $10.35 |
| Discretionary |
| Nov 7, 2008 | CBST | $7.8K | Sale | 300 | $25.98 | Discretionary |
| Nov 7, 2008 | CBST | $3.1K | Option Exercise | 300 | $10.35 | Discretionary |
| Oct 30, 2008 | CBST | $227.2K | Sale | 10,000 | $22.72 | Discretionary |
| Oct 30, 2008 | CBST | $103.5K | Option Exercise | 10,000 | $10.35 | Discretionary |
| Jun 30, 2008 | CBST | $12.0K | Other | 790 | $15.18 | Discretionary |
| Jun 30, 2008 | CBST | $1.3K | Other | 75 | $17.86 | Discretionary |
| Mar 31, 2008 | CBST | $9.0K | Other | 489 | $18.42 | Discretionary |
| Dec 31, 2007 | CBST | $8.6K | Other | 502 | $17.14 | Discretionary |
| Sep 28, 2007 | CBST | $1.6K | Other | 77 | $21.13 | Discretionary |
| Jul 2, 2007 | CBST | $12.6K | Other | 865 | $14.60 | Discretionary |
| Jun 29, 2007 | CBST | $2.6K | Other | 131 | $19.71 | Discretionary |
| Mar 30, 2007 | CBST | $5.9K | Other | 268 | $22.07 | Discretionary |
| Jan 3, 2007 | CBST | $1.3K | Other | 82 | $15.39 | Discretionary |
| Sep 29, 2006 | CBST | $1.3K | Other | 59 | $21.74 | Discretionary |
| Jul 5, 2006 | CBST | $19.5K | Other | 1,070 | $18.22 | Discretionary |
| Jul 5, 2006 | CBST | $2.4K | Other | 97 | $25.18 | Discretionary |
| May 26, 2006 | CBST | $48.0K | Disposition | 2,000 | $24.00 | Discretionary |
| May 26, 2006 | CBST | $26.5K | Option Exercise | 2,000 | $13.25 | Discretionary |
| Apr 6, 2006 | CBST | $6.2K | Other | 269 | $22.97 | Discretionary |
| Apr 6, 2006 | CBST | $6.2K | Other | 269 | $22.97 | Discretionary |
| Jan 3, 2006 | CBST | $10.1K | Other | 904 | $11.21 | Discretionary |
| Jan 3, 2006 | CBST | $10.1K | Other | 904 | $11.21 | Discretionary |
| Jan 12, 2004 | CBST | $0 | Other | 419 | $N/A | Discretionary |