| Date | Event |
| 1-Dec-09 | HYTHIAM INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Trans |
| 9-Nov-09 | HYTHIAM INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 21-Sep-09 | HYTHIAM INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Trans |
| 18-Sep-09 | HYTHIAM INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 8-Sep-09 | Price hit new 52-week high ($0.57) |
| 28-Aug-09 | HYTHIAM INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Trans |
| 14-Aug-09 | HYTHIAM INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements and Exhibits |
| 10-Aug-09 | HYTHIAM INC Files SEC form 8-K, Results of Operations and Financial Condition |
| 17-Jul-09 | HYTHIAM INC Files SEC form 8-K, Change in Directors or Principal Officers, Other Events |
| 2-Jul-09 | HYTHIAM INC Files SEC form 8-K, Change in Directors or Principal Officers |
| 12-Jun-09 | HYTHIAM INC Files SEC form 8-K, Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits |
| 19-May-09 | HYTHIAM INC Files SEC form 8-K, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Trans |
| 11-May-09 | HYTHIAM INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 30-Apr-09 | HYTHIAM INC Files SEC form 10-K/A, Annual Report |
| 3-Apr-09 | HYTHIAM INC Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 31-Mar-09 | HYTHIAM INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 31-Mar-09 | HYTHIAM INC Files SEC form 10-K, Annual Report |
| 25-Mar-09 | Price hit new 52-week low ($0.17) |
| 24-Feb-09 | Price hit new 52-week low ($0.18) |
| 20-Feb-09 | Price hit new 52-week low ($0.20) |
| 26-Jan-09 | HYTHIAM INC Files SEC form 8-K/A, Entry into a Material Definitive Agreement, Completion of Acquisition or Dispositio |
| 26-Jan-09 | HYTHIAM INC Files SEC form 8-K, Entry into a Material Definitive Agreement, Completion of Acquisition or Disposition |