WHITE MOUNTAINS INSURANCE GROUP LTD — 4 Filings
629 4 filings on record
This page lists all 4 filings submitted to the SEC by WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), sorted by most recent first. Each row links to the full filing on EdgarLookup. WHITE MOUNTAINS INSURANCE GROUP LTD has filed 629 4 documents with the SEC since 2009. To view all SEC filings by WHITE MOUNTAINS INSURANCE GROUP LTD, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
13F-HR
13F-NT
3
3/A
4
4/A
424B3
5
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DEFR14A
N-PX
NT 11-K
PRE 14A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | PRIMARY DOCUMENT | 0001181386-06-000009 | Mar 21, 2006 | Jan 3, 2006 |
| 4 | PRIMARY DOCUMENT | 0001181386-06-000004 | Feb 24, 2006 | Feb 22, 2006 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000045 | Dec 29, 2005 | Dec 28, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000046 | Dec 29, 2005 | Dec 28, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000044 | Dec 8, 2005 | Dec 7, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000043 | Dec 6, 2005 | — |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000042 | Nov 21, 2005 | Nov 18, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000040 | Nov 14, 2005 | Nov 11, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000038 | Nov 10, 2005 | Nov 9, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000039 | Nov 10, 2005 | Nov 8, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000034 | Oct 7, 2005 | Oct 6, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000033 | Sep 30, 2005 | Sep 28, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000032 | Sep 30, 2005 | Sep 28, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000031 | Sep 30, 2005 | Sep 28, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000027 | Sep 12, 2005 | Sep 8, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000021 | Jun 23, 2005 | Jun 22, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000020 | Jun 23, 2005 | Jun 22, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000022 | Jun 23, 2005 | Jun 22, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000016 | May 3, 2005 | May 2, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000014 | Mar 24, 2005 | Mar 23, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000012 | Mar 24, 2005 | Mar 23, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000013 | Mar 24, 2005 | Mar 23, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000010 | Mar 9, 2005 | Mar 7, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000009 | Mar 8, 2005 | — |
| 4 | PRIMARY DOCUMENT | 0001181386-05-000007 | Feb 25, 2005 | Feb 23, 2005 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000035 | Dec 21, 2004 | Dec 20, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000032 | Nov 3, 2004 | Nov 2, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000031 | Nov 2, 2004 | — |
| 4 | FORM 4 | 0001181431-04-033554 | Jul 1, 2004 | Jun 29, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000026 | May 6, 2004 | — |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000023 | Apr 30, 2004 | Apr 29, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181360-04-000001 | Mar 26, 2004 | Mar 24, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181372-04-000001 | Mar 26, 2004 | Mar 24, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000021 | Mar 26, 2004 | Mar 24, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000020 | Mar 26, 2004 | Mar 24, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181374-04-000004 | Mar 12, 2004 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-04-000003 | Mar 11, 2004 | — |
| 4 | PRIMARY DOCUMENT | 0000776867-04-000002 | Mar 10, 2004 | Mar 8, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000018 | Mar 9, 2004 | Mar 5, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181365-04-000002 | Feb 27, 2004 | Feb 25, 2004 |
| 4 | PRIMARY DOCUMENT | 0001181386-04-000015 | Feb 12, 2004 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-04-000002 | Jan 8, 2004 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000018 | Dec 29, 2003 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000017 | Dec 12, 2003 | Dec 11, 2003 |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000012 | Nov 13, 2003 | — |
| 4 | PRIMARY DOCUMENT | 0001181361-03-000004 | Oct 17, 2003 | Oct 16, 2003 |
| 4 | PRIMARY DOCUMENT | 0001181359-03-000010 | Oct 10, 2003 | Oct 8, 2003 |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000010 | Oct 9, 2003 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000009 | Sep 11, 2003 | — |
| 4 | PRIMARY DOCUMENT | 0001181374-03-000008 | Aug 14, 2003 | — |