| Date | Event |
| 17-Nov-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule |
| 6-Nov-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements |
| 6-Nov-09 | Earnings announcement |
| 21-Oct-09 | Coverage initiated on Achillion Pharma by Wedbush Morgan |
| 4-Sep-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement |
| 3-Aug-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 30-Jul-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements |
| 17-Jul-09 | Price hit new 52-week high ($2.42) |
| 16-Jul-09 | Price hit new 52-week high ($2.41) |
| 6-Jul-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial |
| 15-May-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 13-May-09 | Price hit new 52-week high ($2.08) |
| 27-Mar-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-K, Annual Report |
| 26-Mar-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements |
| 9-Feb-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Termination of a Material Definitive Agreement |
| 8-Jan-09 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and |
| 31-Dec-08 | Price hit new 52-week low ($0.65) |
| 19-Dec-08 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 29-Oct-08 | ACHILLION PHARMACEUTICALS INC Files SEC form 10-Q, Quarterly Report |
| 28-Oct-08 | ACHILLION PHARMACEUTICALS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements |