| Date | Event |
| 19-Nov-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 28-Oct-09 | Ex-Date for dividend payment of $0.50 |
| 21-Oct-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 10-Q, Quarterly Report |
| 20-Oct-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 15-Oct-09 | Zenith National Insurance downgraded by Keefe Bruyette |
| 2-Sep-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 29-Jul-09 | Ex-Date for dividend payment of $0.50 |
| 23-Jul-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statement |
| 8-Jun-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements an |
| 1-Jun-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Financial Statements a |
| 20-May-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 19-May-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Amendments to Articles of Inc. or Bylaws; Change in Fiscal Year, F |
| 13-May-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 21-Apr-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statement |
| 21-Apr-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 10-Q, Quarterly Report |
| 6-Mar-09 | Price hit new 52-week low ($18.51) |
| 5-Mar-09 | Price hit new 52-week low ($18.64) |
| 4-Mar-09 | Price hit new 52-week low ($18.89) |
| 13-Feb-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 10-K, Annual Report |
| 6-Feb-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 29-Jan-09 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Results of Operations and Financial Condition |
| 5-Dec-08 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements an |
| 4-Dec-08 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 25-Nov-08 | ZENITH NATIONAL INSURANCE CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |