Skip to main content
Year archive

WHITE MOUNTAINS INSURANCE GROUP LTD — 2020 filings

All 63 regulatory filings released by WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) in 2020, sourced directly from the official regulator.

63 Filings
2020 Period
2020 filings (63)
Filing Released Lang
S-8 POS
Regulatory Filings
2020-12-30 English
S-8 POS
Regulatory Filings
2020-12-30 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
S-8 POS
Regulatory Filings
2020-12-29 English
8-K/A
Regulatory Filings
2020-12-21 English
8-K
Regulatory Filings
2020-12-21 English
8-K
Regulatory Filings
2020-12-15 English
PRIMARY DOCUMENT
Director's Dealing
2020-12-14 English
PRIMARY DOCUMENT
Director's Dealing
2020-12-11 English
PRIMARY DOCUMENT
Director's Dealing
2020-12-10 English
8-K
Regulatory Filings
2020-12-10 English
8-K
Regulatory Filings
2020-12-01 English
Regulatory Filings 2020
Regulatory Filings
2020-11-12 English
8-K
Regulatory Filings
2020-11-06 English
10-Q
Interim / Quarterly Report Q3 2020
2020-11-06 English
FORM 4 SUBMISSION
Director's Dealing
2020-11-03 English
FORM 3 SUBMISSION
Director's Dealing
2020-10-28 English
8-K
Regulatory Filings
2020-10-01 English
Regulatory Filings 2020
Regulatory Filings
2020-08-12 English
10-Q
Interim / Quarterly Report Q2 2020
2020-08-07 English
8-K
Regulatory Filings
2020-08-07 English
Regulatory Filings 2020
Regulatory Filings
2020-06-17 English
11-K
Regulatory Filings
2020-06-16 English
Regulatory Filings 2020
Regulatory Filings
2020-06-10 English
Regulatory Filings 2020
Regulatory Filings
2020-05-29 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
PRIMARY DOCUMENT
Director's Dealing
2020-05-22 English
8-K
Regulatory Filings
2020-05-22 English
Regulatory Filings 2020
Regulatory Filings
2020-05-12 English
8-K
Regulatory Filings
2020-05-08 English
10-Q
Interim / Quarterly Report Q1 2020
2020-05-08 English
8-K
Regulatory Filings
2020-04-09 English
DEF 14A
Proxy Solicitation & Information Statement
2020-04-07 English
10-K/A
Annual Report FY 2019
2020-03-30 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-25 English
8-K
Regulatory Filings
2020-03-23 English
SCHEDULE 13G/A
Major Shareholding Notification
2020-03-06 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-03-02 English
10-K
Annual Report FY 2019
2020-03-02 English
Regulatory Filings 2020
Regulatory Filings
2020-02-12 English
SCHEDULE 13G/A
Major Shareholding Notification
2020-02-12 English
ROBECO INVESTMENT MANAGEMENT INC.
Major Shareholding Notification
2020-02-11 English
8-K
Regulatory Filings
2020-02-05 English
SEC SCHEDULE 13G
Major Shareholding Notification
2020-01-27 English
PRIMARY DOCUMENT
Director's Dealing
2020-01-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-01-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-01-02 English
PRIMARY DOCUMENT
Director's Dealing
2020-01-02 English