| Date Filed | Type | Description |
| 02/13/2009 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/26/2008 |
8-K
| Quarterly results |
| 02/14/2008 |
SC 13G
| PAULSON & CO INC reports a 5.8% stake in SIERRA HEALTH SERVICES, INC. |
| 02/14/2008 |
SC 13G
| MARLON ANTHONY M MD reports a 8% stake in Sierra Health Services, Inc. |
| 02/13/2008 |
SC 13G/A
| CITADEL INVESTMENT GROUP LLC reports a 0% stake in Sierra Health Services, Inc. |
| 02/13/2008 |
SC 13G
| RENAISSANCE TECHNOLOGIES LLC reports a 7.4% stake in SIERRA HEALTH SERVICES, INC. |
| 02/01/2008 |
SC 13G/A
| PUTNAM LLC reports a |
| 11/06/2007 |
10-Q
| Quarterly Report for the period ended September 30, 2007 |
| 11/06/2007 |
8-K
| Quarterly results |
| 11/06/2007 |
TRN
| Sierra Health Services Q3 2007 Earnings Call Transcript |
| 09/10/2007 |
8-K
| Other Events |
| 08/30/2007 |
8-K
| Other Events |
| 08/08/2007 |
SC 13G
| CITADEL L P reports a 4.5% stake in Sierra Health Services, Inc. |
| 07/31/2007 |
10-Q
| Quarterly Report for the period ended June 30, 2007 |
| 07/31/2007 |
8-K
| Quarterly results |
| 07/02/2007 |
8-K
| Other Events |
| 06/29/2007 |
11-K
| Form 11-K -- Annual report of employee stock purchase, savings and similar plans |
| 06/08/2007 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 05/29/2007 |
8-K
| Other Events, Financial Statements and Exhibits |
| 05/21/2007 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition |
| 05/21/2007 |
8-K
| Other Events, Financial Statements and Exhibits |
| 05/16/2007 |
8-K
| Other Events |
| 05/14/2007 |
8-K
| Other Events, Financial Statements and Exhibits |
| 04/30/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/27/2007 |
10-Q
| Quarterly Report for the period ended March 31, 2007 |
| 04/24/2007 |
8-K
| Quarterly results |
| 04/11/2007 |
8-K
| Entry into a Material Definitive Agreement, Departure of Directors or Principal Officers; Election of Directors; Appointment ...|
Docs:
|
"Employment Agreement, between Sierra Health Services, Inc., a Nevada corporation, and Marc R. Briggs, effective as of April 6, 2007",
"Employment Agreement, between Sierra Health Services, Inc., a Nevada corporation, and Marc R. Briggs, effective as of April 6, 2007" |
|
| 03/20/2007 |
SC 13D
| UNITEDHEALTH GROUP INC reports a 7.9% stake in SIERRA HEALTH SERVICES, INC. |
| 03/13/2007 |
8-K
| Entry into a Material Definitive Agreement, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financi... |
| 03/13/2007 |
8-K
| Entry into a Material Definitive Agreement, Other Events, Financial Statements and Exhibits |
| 03/12/2007 |
SC 13G/A
| FMR CORP reports a 2.3% stake in Sierra Health Services Incorporated |
| 02/27/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/27/2007 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits |
|