| Date Filed | Type | Description |
| 06/05/2012 |
ARS
| Form ARS - Annual Report to Security Holders |
| 01/11/2007 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/14/2006 |
SC 13G/A
| Davis Advisors reports a 20.2% stake in IRON MOUNTAIN INC |
| 04/29/2005 |
SC 13D
| Davis Advisors reports a 21.1% stake in Iron Mountain Inc. |
| 03/11/2005 |
SC 13G/A
| Davis Advisors has filed a Schedule 13D for IRON MOUNTAIN INC |
| 02/17/2004 |
SC 13G/A
| SMITH THOMAS W reports a 6.2% stake in IRON MOUNTAIN INCORPORATED |
| 02/14/2002 |
SC 13G/A
| SMITH THOMAS W reports a 6.5% stake in IRON MOUNTAIN INCORPORATED |
| 02/14/2001 |
SC 13G/A
| SMITH THOMAS W reports a 7% stake in IRON MOUNTAIN INCORPORATED |
| 06/23/2000 |
8-K
| Quarterly results |
| 03/15/2000 |
SC 13G
| SMITH THOMAS W reports a 7.1% stake in IRON MOUNTAIN INCORPORATED |
| 02/28/2000 |
SC 13G
| BLAIR WILLIAM & CO reports a 9.3% stake in Iron Mountain Inc. |
| 02/11/2000 |
SC 13G/A
| WELLINGTON MANAGEMENT CO LLP reports a 10% stake in IRON MOUNTAIN INCORPORATED |
| 02/11/2000 |
SC 13G/A
| BAMCO INC reports a 2.2% stake in IRON MOUNTAIN, INC. |
| 02/04/2000 |
SC 13G/A
| GOLISANO B THOMAS reports a 4.3% stake in IRON MOUNTAIN INCORPORATED |
| 12/10/1999 |
SC 13G
| WELLINGTON MANAGEMENT CO LLP reports a 10.3% stake in IRON MOUNTAIN INCORPORATED |
| 11/24/1999 |
8-K
| Other events, Financial statements and exhibits |
| 11/15/1999 |
10-Q
| Quarterly Report for the period ended September 30, 1999 |
| 10/21/1999 |
8-K
| Other events |
| 08/13/1999 |
10-Q
| Quarterly Report for the period ended June 30, 1999 |
| 07/29/1999 |
8-K
| Other events |
| 07/26/1999 |
424B3
| Form 424B3 - Prospectus [Rule 424(b)(3)] |
| 07/09/1999 |
8-K
| Other events, Financial statements and exhibits |
| 05/17/1999 |
10-Q
| Quarterly Report for the period ended March 31, 1999 |
| 05/11/1999 |
8-K
| Financial statements and exhibits |
| 05/07/1999 |
8-K
| Other events |
| 04/28/1999 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/22/1999 |
8-K
| Other events |
| 04/21/1999 |
424B3
| Form 424B3 -- Prospectus [Rule 424(b)(3)] |
| 04/16/1999 |
8-K
| Acquisition or disposition of assets, Other events, Financial statements and exhibits |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/22/1999 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
| 03/17/1999 |
SC 13G
| BLAIR WILLIAM & CO reports a 3.7% stake in Iron Mountain, Inc. |
| 03/03/1999 |
8-K
| Other events, Financial statements and exhibits |
| 02/10/1999 |
SC 13G/A
| SCHOONER CAPITAL CORP reports a 9.7% stake in Iron Mountain Incorporated |
|