WHITE MOUNTAINS INSURANCE GROUP LTD — SC 13D/A Filings
33 SC 13D/A filings on record
This page lists all SC 13D/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 33 SC 13D/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 13D/A | AMENDMENT NO. 4 | 0000950157-24-000731 | May 9, 2024 | — |
| SC 13D/A | SC 13D/A | 0000776867-24-000008 | May 3, 2024 | — |
| SC 13D/A | SC 13D/A | 0000776867-24-000001 | Jan 3, 2024 | — |
| SC 13D/A | SC 13D/A | 0000776867-23-000015 | Nov 2, 2023 | — |
| SC 13D/A | SC 13D/A | 0001104659-12-003131 | Jan 20, 2012 | — |
| SC 13D/A | SC 13D/A | 0001104659-09-007342 | Feb 6, 2009 | — |
| SC 13D/A | SC 13D/A | 0001104659-07-034367 | May 1, 2007 | — |
| SC 13D/A | AMENDMENT | 0001104659-06-065826 | Oct 10, 2006 | — |
| SC 13D/A | AMENDMENT | 0001104659-06-065506 | Oct 6, 2006 | — |
| SC 13D/A | SC 13D/A | 0001047469-04-010388 | Apr 1, 2004 | — |
| SC 13D/A | SCHEDULE 13D/A | 0001047469-99-035349 | Sep 10, 1999 | — |
| SC 13D/A | SC 13D/A | 0001047469-99-021668 | May 20, 1999 | — |
| SC 13D/A | SC 13D/A | 0000912057-97-026041 | Aug 5, 1997 | — |
| SC 13D/A | AMENDMENT NO. 6 | 0000950109-97-004081 | May 14, 1997 | — |
| SC 13D/A | AMENDMENT NO. 5 | 0000950109-97-004097 | May 14, 1997 | — |
| SC 13D/A | MCFARLAND ENERGY AMENDMENT #5 | 0000950109-97-002285 | Mar 18, 1997 | — |
| SC 13D/A | — | 0000902873-96-000047 | Jun 27, 1996 | — |
| SC 13D/A | FORM 13D/A AMENDMENT #4 | 0000950109-96-001500 | Mar 11, 1996 | — |
| SC 13D/A | TEXAS PACIFIC LAND TRUST | 0000950109-96-001337 | Mar 4, 1996 | — |
| SC 13D/A | SCHEDULE 13D/A AMENDMENT #4 | 0000950109-96-000651 | Feb 9, 1996 | — |
| SC 13D/A | AMENDMENT #10 | 0000950109-96-000527 | Feb 2, 1996 | — |
| SC 13D/A | SCHEDULE 13D/A AMENDMENT #1 | 0000950109-96-000296 | Jan 19, 1996 | — |
| SC 13D/A | AMENDMENT NUMBER 3 | 0000950109-95-005326 | Dec 20, 1995 | — |
| SC 13D/A | AMENDMENT NUMBER 9 | 0000950130-95-002497 | Nov 16, 1995 | — |
| SC 13D/A | AMENDMENT NUMBER 7 | 0000950109-95-004768 | Nov 15, 1995 | — |
| SC 13D/A | AMENDMENT NUMBER 8 | 0000950109-95-004778 | Nov 15, 1995 | — |
| SC 13D/A | TEXAS PACIFIC LAND TRUST | 0000950109-95-004143 | Oct 12, 1995 | — |
| SC 13D/A | SCHEDULE 13D-AMENDMENT NO. 1 | 0000898430-95-001841 | Sep 18, 1995 | — |
| SC 13D/A | SCHEDULE 13D-AMENDMENT #2 | 0000950109-95-001718 | May 9, 1995 | — |
| SC 13D/A | SCHEDULE 13D-AMENDMENT NO. 3 | 0000950109-95-001560 | May 2, 1995 | — |
| SC 13D/A | AMMENDMENT #9 | 0000950109-95-000025 | Jan 6, 1995 | — |
| SC 13D/A | AMENDMENT TO SCHEDULE 13D | 0000950109-94-000613 | Mar 31, 1994 | — |
| SC 13D/A | AMENDMENT TO SCHEDULE 13/D URS CORPORATION | 0000950109-94-000615 | Mar 31, 1994 | — |