Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Hanover, NH
SEC filing record 1 source field available
Fiscal year end
31 December
WHITE MOUNTAINS INSURANCE GROUP LTD has filed 1,753 SEC EDGAR filings since 09 Feb 1994

SEC filing history

Showing 351-375 of 1,000 matching filings.

Per page
25
Current page
15
4 File 001-39671

FORM 4 SUBMISSION

Filing date
03 Nov 2020
Reporting date
30 Oct 2020
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3 File 001-39671

FORM 3 SUBMISSION

Filing date
28 Oct 2020
Reporting date
28 Oct 2020
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13F-NT File 028-01681

13F-NT filing

Filing date
12 Aug 2020
Reporting date
30 Jun 2020
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UPLOAD

UPLOAD filing

Filing date
17 Jun 2020
Reporting date
Not listed
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11-K File 001-08993

11-K

Filing date
16 Jun 2020
Reporting date
31 Dec 2019
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CORRESP

CORRESP filing

Filing date
10 Jun 2020
Reporting date
Not listed
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UPLOAD

UPLOAD filing

Filing date
28 May 2020
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
22 May 2020
Reporting date
21 May 2020
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13F-NT File 028-01681

13F-NT filing

Filing date
12 May 2020
Reporting date
31 Mar 2020
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DEF 14A File 001-08993

DEF 14A

Filing date
07 Apr 2020
Reporting date
21 May 2020
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4

PRIMARY DOCUMENT

Filing date
25 Mar 2020
Reporting date
24 Mar 2020
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