| Data | Hora | Fonte | Título | Código | Companhia |
| 11/10/2013 | 11:08 | Edgar (US Regulatory) | Termination of Registration of a Class of Security Under Section 12(b) (15-12b) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 04/10/2013 | 07:01 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 03/10/2013 | 18:00 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 01/10/2013 | 17:51 | Edgar (US Regulatory) | Post-effective Amendment to an S-8 Filing (s-8 Pos) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 01/10/2013 | 17:48 | Edgar (US Regulatory) | Current Report Filing (8-k) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 01/10/2013 | 17:44 | Edgar (US Regulatory) | Amended Statement of Beneficial Ownership (sc 13d/a) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 01/10/2013 | 12:11 | Edgar (US Regulatory) | (25-NSE) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 01/10/2013 | 08:26 | Edgar (US Regulatory) | Amended Annual Report (10-k/a) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 23/09/2013 | 18:10 | Edgar (US Regulatory) | Amended Statement of Changes in Beneficial Ownership (4/a) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 19/09/2013 | 15:08 | Business Wire | A.M. Best Affirms Ratings of Valley Baptist Insurance Company | NYSE:VHS | Vanguard Health Systems, Inc. |
| 27/08/2013 | 07:01 | Edgar (US Regulatory) | Additional Information (definitive) (defa14c) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 20/08/2013 | 07:01 | Edgar (US Regulatory) | Notice of Iran-related Disclosure Filed Pursuant to Section 13(r)(3) of the Exchange Act (irannotice) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 20/08/2013 | 07:01 | Edgar (US Regulatory) | Annual Report (10-k) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 19/08/2013 | 22:03 | Business Wire | Vanguard Health Systems Reports Fourth Quarter and Year End Fiscal 2013 Results | NYSE:VHS | Vanguard Health Systems, Inc. |
| 29/07/2013 | 20:00 | Business Wire | Faruqi & Faruqi, LLP, Partner Juan E. Monteverde Launches an Investigation of Vanguard Health Systems, Inc. Over the Proposed... | NYSE:VHS | Vanguard Health Systems, Inc. |
| 26/07/2013 | 10:30 | Edgar (US Regulatory) | Information Statement - Merger or Acquisition (definitive) (defm14c) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 12/07/2013 | 16:00 | Zacks | Tenet Maintained at Neutral - Analyst Blog | NYSE:VHS | Vanguard Health Systems, Inc. |
| 12/07/2013 | 14:34 | Business Wire | SHAREHOLDER ALERT: Law Office of Brodsky & Smith, LLC Announces Investigation of Vanguard Health Systems, Inc. | NYSE:VHS | Vanguard Health Systems, Inc. |
| 10/07/2013 | 13:12 | Edgar (US Regulatory) | Schedule 13g | NYSE:VHS | Vanguard Health Systems, Inc. |
| 10/07/2013 | 07:01 | Edgar (US Regulatory) | Information Statement - Merger or Acquisition (preliminary) (prem14c) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 08/07/2013 | 19:31 | Marketwired | SHAREHOLDER ALERT: Levi & Korsinsky Notifies Investors of Claims of Fiduciary Duty by the Board of Vanguard Health Systems, I... | NYSE:VHS | Vanguard Health Systems, Inc. |
| 02/07/2013 | 13:55 | GlobeNewswire Inc. | SHAREHOLDER ALERT: Levi & Korsinsky Notifies Investors of Claims of Fiduciary Duty by the Board of Vanguard Health Systems, Inc | NYSE:VHS | Vanguard Health Systems, Inc. |
| 28/06/2013 | 18:39 | PR Newswire (US) | SHAREHOLDER ALERT: Law Office of Brodsky & Smith, LLC Announces Investigation of Vanguard Health Systems, Inc - VHS | NYSE:VHS | Vanguard Health Systems, Inc. |
| 28/06/2013 | 17:39 | Edgar (US Regulatory) | Statement of Beneficial Ownership (sc 13d) | NYSE:VHS | Vanguard Health Systems, Inc. |
| 26/06/2013 | 15:16 | PR Newswire (US) | SHAREHOLDER ALERT: Levi & Korsinsky Announces Investigation into Possible Breaches of Fiduciary Duty by the Board of Vanguard... | NYSE:VHS | Vanguard Health Systems, Inc. |
| 25/06/2013 | 23:15 | PR Newswire (US) | Harwood Feffer LLP Announces Investigation of Vanguard Health Systems Inc. | NYSE:VHS | Vanguard Health Systems, Inc. |
| 25/06/2013 | 19:46 | PR Newswire (US) | Lifshitz Law Firm Announces Investigation of Dynavax Technologies Corporation, Keynote Systems, Inc., sTec, Inc. and Vanguard... | NYSE:VHS | Vanguard Health Systems, Inc. |
| 25/06/2013 | 16:56 | Dow Jones News | 2nd UPDATE: Glenview Seeks Total Board Overhaul at Health Management | NYSE:VHS | Vanguard Health Systems, Inc. |
| 25/06/2013 | 14:10 | Dow Jones News | UPDATE: Glenview Seeks Total Board Overhaul at Health Management | NYSE:VHS | Vanguard Health Systems, Inc. |
| 25/06/2013 | 11:58 | PR Newswire (US) | Ryan & Maniskas, LLP Announces Investigation of Vanguard Health Systems Inc. | NYSE:VHS | Vanguard Health Systems, Inc. |