| Date | Event |
| 6-Nov-09 | S1 CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 6-Nov-09 | S1 Corporation Earnings Call scheduled for 8:30 am ET today |
| 5-Nov-09 | S1 CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Change in Directors or Principal Offi |
| 5-Nov-09 | Earnings announcement |
| 31-Aug-09 | S1 CORP /DE/ Files SEC form 8-K/A, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 18-Aug-09 | S1 CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 6-Aug-09 | S1 CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 5-Aug-09 | S1 Corporation Earnings Call scheduled for 8:30 am ET today |
| 4-Aug-09 | S1 CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 4-Aug-09 | Price hit new 52-week high ($7.43) |
| 12-Jun-09 | S1 CORP /DE/ Files SEC form 8-K, Entry into a Material Definitive Agreement, Change in Directors or Principal Officer |
| 1-May-09 | S1 CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 30-Apr-09 | S1 CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 5-Mar-09 | S1 CORP /DE/ Files SEC form 10-K, Annual Report |
| 4-Mar-09 | S1 CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition |
| 29-Jan-09 | S1 CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 24-Dec-08 | S1 CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers |
| 17-Dec-08 | S1 CORP /DE/ Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 12-Dec-08 | S1 CORP /DE/ Files SEC form 8-K, Other Events |
| 21-Nov-08 | S1 CORP /DE/ Files SEC form 8-K, Other Events |
| 10-Nov-08 | S1 CORP /DE/ Files SEC form 10-Q, Quarterly Report |
| 6-Nov-08 | S1 CORP /DE/ Files SEC form 8-K, Results of Operations and Financial Condition, Other Events, Financial Statements an |