8-K/A
File 001-08993
8-K/A
- Filing date
- 12 Oct 2011
- Reporting date
- 25 May 2011
- SEC evidence
- Open document Open filing
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- Company location
- Hanover, NH
- Fiscal year end
- 31 December
Company
Names, identifiers, and filing context for this profile.
1 identity field
SEC filing record 1 source field available
WHITE MOUNTAINS INSURANCE GROUP LTD has filed 1,753 SEC EDGAR filings since 09 Feb 1994
SEC filing history
Showing 901-925 of 1,000 matching filings.
Per page
25
Current page
37
8-K
File 001-08993
8-K
- Filing date
- 07 Oct 2011
- Reporting date
- 07 Oct 2011
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8-K
File 001-08993
8-K
- Filing date
- 23 Sep 2011
- Reporting date
- 22 Sep 2011
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SC TO-I/A
File 005-36786
AMENDMENT NO. 4
- Filing date
- 21 Sep 2011
- Reporting date
- Not listed
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4
PRIMARY DOCUMENT
- Filing date
- 20 Sep 2011
- Reporting date
- 19 Sep 2011
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SC TO-I/A
File 005-36786
AMENDMENT NO. 3
- Filing date
- 16 Sep 2011
- Reporting date
- Not listed
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CORRESP
CORRESP filing
- Filing date
- 02 Sep 2011
- Reporting date
- Not listed
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SC TO-I/A
File 005-36786
SC TO-I/A
- Filing date
- 26 Aug 2011
- Reporting date
- Not listed
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UPLOAD
UPLOAD filing
- Filing date
- 24 Aug 2011
- Reporting date
- Not listed
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SC TO-I/A
File 005-36786
SC TO-I/A
- Filing date
- 23 Aug 2011
- Reporting date
- Not listed
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SC TO-I
File 005-36786
SC TO-I
- Filing date
- 18 Aug 2011
- Reporting date
- Not listed
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SC TO-C
File 005-36786
SCHEDULE TO
- Filing date
- 17 Aug 2011
- Reporting date
- Not listed
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8-K
File 001-08993
CURRENT REPORT
- Filing date
- 17 Aug 2011
- Reporting date
- 17 Aug 2011
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13F-HR
File 028-01681
13F-HR
- Filing date
- 12 Aug 2011
- Reporting date
- 30 Jun 2011
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10-Q
File 001-08993
10-Q
- Filing date
- 29 Jul 2011
- Reporting date
- 30 Jun 2011
- SEC evidence
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8-K
File 001-08993
8-K
- Filing date
- 29 Jul 2011
- Reporting date
- 29 Jul 2011
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4
PRIMARY DOCUMENT
- Filing date
- 15 Jul 2011
- Reporting date
- 13 Jul 2011
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11-K
File 001-08993
11-K
- Filing date
- 29 Jun 2011
- Reporting date
- 31 Dec 2010
- SEC evidence
- Open document Open filing
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11-K
File 001-08993
11-K
- Filing date
- 23 Jun 2011
- Reporting date
- 31 Dec 2010
- SEC evidence
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8-K
File 001-08993
8-K
- Filing date
- 22 Jun 2011
- Reporting date
- 22 Jun 2011
- SEC evidence
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4
PRIMARY DOCUMENT
- Filing date
- 09 Jun 2011
- Reporting date
- 07 Jun 2011
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 31 May 2011
- Reporting date
- 26 May 2011
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 31 May 2011
- Reporting date
- 27 May 2011
- SEC evidence
- Open document Open filing
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4
PRIMARY DOCUMENT
- Filing date
- 31 May 2011
- Reporting date
- 27 May 2011
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
PRIMARY DOCUMENT
- Filing date
- 31 May 2011
- Reporting date
- 26 May 2011
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing