WHITE MOUNTAINS INSURANCE GROUP LTD — SC 13G/A Filings
111 SC 13G/A filings on record
This page lists all SC 13G/A 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 111 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | — | 0001023875-12-000010 | Feb 6, 2012 | — |
| SC 13G/A | SC 13G/A | 0001104659-12-006566 | Feb 3, 2012 | — |
| SC 13G/A | SC 13G/A | 0001104659-12-006565 | Feb 3, 2012 | — |
| SC 13G/A | SC 13G/A | 0001104659-12-005877 | Feb 1, 2012 | — |
| SC 13G/A | SEC FILING | 0000902219-11-000924 | Feb 14, 2011 | — |
| SC 13G/A | WTM AS OF 12/31/10 | 0000080255-11-000180 | Feb 10, 2011 | — |
| SC 13G/A | SC 13G/A | 0001104659-11-003927 | Jan 31, 2011 | — |
| SC 13G/A | — | 0001023875-11-000023 | Jan 28, 2011 | — |
| SC 13G/A | SC 13G/A | 0001104659-10-003317 | Jan 27, 2010 | — |
| SC 13G/A | — | 0001023875-10-000022 | Jan 22, 2010 | — |
| SC 13G/A | SC 13G/A | 0001104659-09-009517 | Feb 13, 2009 | — |
| SC 13G/A | SC 13G/A | 0001104659-09-007343 | Feb 6, 2009 | — |
| SC 13G/A | — | 0001023875-09-000012 | Jan 15, 2009 | — |
| SC 13G/A | SCHEDULE 13G, AMENDMENT NO. 2 | 0001193125-08-222778 | Nov 3, 2008 | — |
| SC 13G/A | SC 13G | 0001104659-08-019053 | Mar 21, 2008 | — |
| SC 13G/A | SC 13G/A | 0001104659-08-010014 | Feb 13, 2008 | — |
| SC 13G/A | — | 0001023875-08-000029 | Feb 7, 2008 | — |
| SC 13G/A | AMENDMENT NUMBER 2 TO SCHEDULE 13G | 0001005477-07-008849 | Nov 9, 2007 | — |
| SC 13G/A | AMENDMENT NUMBER 1 TO SCHEDULE 13G | 0001005477-07-001207 | Feb 13, 2007 | — |
| SC 13G/A | WHIT06A9 | 0001023875-07-000024 | Feb 1, 2007 | — |
| SC 13G/A | SC 13G/A | 0001104659-07-006048 | Jan 31, 2007 | — |
| SC 13G/A | AMENDMENT | 0001104659-06-008826 | Feb 14, 2006 | — |
| SC 13G/A | AMENDMENT | 0001104659-06-008825 | Feb 14, 2006 | — |
| SC 13G/A | WHITE MOUNTAINS INSURANCE GROUP, LTD. | 0001023875-06-000012 | Feb 7, 2006 | — |
| SC 13G/A | AMENDMENT | 0001104659-06-005761 | Feb 3, 2006 | — |
| SC 13G/A | — | 0001023875-05-000028 | Feb 14, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-005519 | Feb 11, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-005521 | Feb 11, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-005520 | Feb 11, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-000722 | Jan 7, 2005 | — |
| SC 13G/A | SC 13G/A | 0001104659-05-000731 | Jan 7, 2005 | — |
| SC 13G/A | SCHEDULE 13G/AMENDMENT NO.1 | 0001193125-04-098319 | Jun 3, 2004 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-004256 | Feb 13, 2004 | — |
| SC 13G/A | — | 0001023875-04-000022 | Feb 13, 2004 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-004257 | Feb 13, 2004 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-004321 | Feb 13, 2004 | — |
| SC 13G/A | SC 13G/A | 0001104659-04-004322 | Feb 13, 2004 | — |
| SC 13G/A | 13-G_1175.CEC | 0001047469-03-004098 | Feb 5, 2003 | — |
| SC 13G/A | — | 0001023875-03-000019 | Jan 30, 2003 | — |
| SC 13G/A | — | 0001023875-02-000017 | Feb 13, 2002 | — |
| SC 13G/A | 13G/A | 0000912057-02-003050 | Jan 29, 2002 | — |
| SC 13G/A | SC 13/GA | 0000912057-01-003193 | Jan 29, 2001 | — |
| SC 13G/A | SC 13G/A | 0000912057-01-000203 | Jan 4, 2001 | — |
| SC 13G/A | — | 0000915609-00-000006 | Feb 9, 2000 | — |
| SC 13G/A | — | 0001023875-99-000044 | Jul 9, 1999 | — |
| SC 13G/A | FORM 13G/A | 0001047469-99-004345 | Feb 10, 1999 | — |
| SC 13G/A | SCHEDULE 13G | 0001047469-99-004341 | Feb 10, 1999 | — |
| SC 13G/A | SC 13G/A | 0001047469-98-007530 | Feb 25, 1998 | — |
| SC 13G/A | SC 13G/A | 0001047469-98-003741 | Feb 5, 1998 | — |
| SC 13G/A | SCHEDULE 13G-A | 0001047469-98-003739 | Feb 5, 1998 | — |