| Date | Event |
| 17-Nov-09 | COSI INC Files SEC form 8-K, Other Events |
| 9-Nov-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 9-Nov-09 | COSI INC Files SEC form 10-Q, Quarterly Report |
| 1-Oct-09 | COSI INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Material Modification to Rights of Security |
| 18-Sep-09 | COSI INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer |
| 10-Aug-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 21-May-09 | Price hit new 52-week high ($0.71) |
| 8-May-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 8-May-09 | COSI INC Files SEC form 10-Q, Quarterly Report |
| 4-May-09 | COSI INC Files SEC form 8-K, Other Events |
| 29-Apr-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 27-Apr-09 | COSI INC Files SEC form 8-K, Other Events |
| 16-Mar-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 23-Jan-09 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 9-Jan-09 | COSI INC Files SEC form 8-K, Other Events |
| 22-Dec-08 | Price hit new 52-week low ($0.15) |
| 19-Dec-08 | COSI INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Change in Directors or Principal Officers |
| 19-Dec-08 | Price hit new 52-week low ($0.20) |
| 17-Dec-08 | Price hit new 52-week low ($0.27) |
| 6-Nov-08 | COSI INC Files SEC form 8-K, Results of Operations and Financial Condition |