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 May 16, 2013 involved selling 1,500 shares valued at $71.8K.
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 May 16, 2013, when they sold 1,500 shares at $47.88 per share.
Get notified when new Form 4 filings are submitted
| $48.41 |
| Discretionary |
| May 15, 2013 | CBST | $0 | Option Exercise | 3,125 | $N/A | Discretionary |
| May 14, 2013 | CBST | $115.4K | Sale | 2,346 | $49.18 | Discretionary |
| May 14, 2013 | CBST | $0 | Option Exercise | 3,125 | $N/A | Discretionary |
| May 13, 2013 | CBST | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Apr 2, 2013 | CBST | $719.7K | Sale | 15,000 | $47.98 | Discretionary |
| Apr 2, 2013 | CBST | $155.3K | Option Exercise | 15,000 | $10.35 | Discretionary |
| Mar 28, 2013 | CBST | $15.3K | Other | 326 | $46.82 | Discretionary |
| Feb 19, 2013 | CBST | $90.1K | Sale | 2,177 | $41.40 | Discretionary |
| Feb 16, 2013 | CBST | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Dec 31, 2012 | CBST | $5.6K | Other | 170 | $33.12 | Discretionary |
| Aug 24, 2012 | CBST | $326.1K | Option Exercise | 30,000 | $10.87 | Discretionary |
| Aug 24, 2012 | CBST | $1.4M | Sale | 30,000 | $45.97 | Discretionary |
| Jun 29, 2012 | CBST | $15.1K | Other | 470 | $32.22 | Discretionary |
| May 16, 2012 | CBST | $54.9K | Sale | 1,312 | $41.85 | Discretionary |
| May 15, 2012 | CBST | $0 | Option Exercise | 3,125 | $N/A | Discretionary |
| May 15, 2012 | CBST | $55.0K | Sale | 1,313 | $41.90 | Discretionary |
| May 14, 2012 | CBST | $88.5K | Sale | 2,131 | $41.55 | Discretionary |
| May 14, 2012 | CBST | $0 | Option Exercise | 3,125 | $N/A | Discretionary |
| May 13, 2012 | CBST | $0 | Option Exercise | 5,000 | $N/A | Discretionary |
| Mar 30, 2012 | CBST | $11.2K | Other | 260 | $43.25 | Discretionary |
| Mar 26, 2012 | CBST | $0 | Option Exercise | 40,000 | $N/A | Discretionary |
| Mar 26, 2012 | CBST | $1.8M | Sale | 40,000 | $44.73 | Discretionary |
| Jan 13, 2012 | CBST | $6.6K | Option Exercise | 500 | $13.26 | Discretionary |
| Jan 13, 2012 | CBST | $21.0K | Sale | 500 | $41.97 | Discretionary |
| Jan 12, 2012 | CBST | $696.7K | Sale | 16,600 | $41.97 | Discretionary |
| Jan 12, 2012 | CBST | $219.9K | Option Exercise | 16,600 | $13.25 | Discretionary |
| Jan 10, 2012 | CBST | $590.3K | Sale | 14,400 | $40.99 | Discretionary |
| Jan 10, 2012 | CBST | $190.8K | Option Exercise | 14,400 | $13.25 | Discretionary |