WHITE MOUNTAINS INSURANCE GROUP LTD — SC 13D Filings
9 SC 13D filings on record
This page lists all SC 13D 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 9 SC 13D 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 | — | 0000950157-23-000723 | Jun 30, 2023 | — |
| SC 13D | SCHEDULE 13D -- COMMON SHARES | 0000950157-07-000093 | Jan 31, 2007 | — |
| SC 13D | SC 13D | 0001104659-04-008336 | Mar 24, 2004 | — |
| SC 13D | SCHEDULE 13D | 0000912057-00-030943 | Jul 6, 2000 | — |
| SC 13D | SCHEDULE 13D | 0000912057-99-008779 | Dec 9, 1999 | — |
| SC 13D | AMENDMENT NO. 6 | 0000950109-97-004188 | May 16, 1997 | — |
| SC 13D | SCHEDULE 13D | 0000950130-95-001826 | Sep 8, 1995 | — |
| SC 13D | SCHEDULE 13D | 0000950109-95-002681 | Jul 13, 1995 | — |
| SC 13D | SCHEDULE 13D | 0000950109-95-002258 | Jun 9, 1995 | — |