| Date | Event |
| 21-Jan-10 | Cubist Pharmaceuticals Fourth Quarter 2009 Earnings Call scheduled for 5:00 pm ET today |
| 21-Jan-10 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 21-Jan-10 | Earnings announcement |
| 13-Jan-10 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 17-Dec-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial St |
| 14-Dec-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and E |
| 7-Dec-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 3-Dec-09 | Cubist Pharma upgraded by RBC Capital Mkts |
| 23-Nov-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 27-Oct-09 | CUBIST PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 15-Oct-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 29-Jul-09 | CUBIST PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 22-Jul-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 16-Jul-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 9-Jul-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 12-Jun-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-Jun-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers, Other Events |
| 1-May-09 | CUBIST PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 21-Apr-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 31-Mar-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 25-Mar-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 10-Mar-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 3-Mar-09 | Price hit new 52-week low ($13.91) |
| 2-Mar-09 | Price hit new 52-week low ($14.02) |
| 27-Feb-09 | CUBIST PHARMACEUTICALS INC Files SEC form 10-K, Annual Report |
| 27-Feb-09 | Price hit new 52-week low ($14.11) |
| 18-Feb-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers, Other Events, Financial Sta |
| 17-Feb-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 22-Jan-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements an |
| 15-Jan-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and E |
| 6-Jan-09 | CUBIST PHARMACEUTICALS INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |