| Date Filed | Type | Description |
| 02/13/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/12/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/29/2018 |
SC 13G/A
| WHITE MOUNTAINS INSURANCE GROUP LTD reports a 0% stake in ONEBEACON INSURANCE GROUP, LTD. |
| 10/10/2017 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 09/28/2017 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 09/28/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/28/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/28/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/28/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/28/2017 |
8-K
| Quarterly results |
| 09/28/2017 |
8-K
| Quarterly results |
| 09/25/2017 |
8-K
| Quarterly results |
| 09/22/2017 |
13F-NT
| Form 13F-NT - Quarterly report filed by institutional managers, Notice: |
| 08/29/2017 |
8-K
| Quarterly results |
| 08/04/2017 |
8-K
| Quarterly results |
| 08/04/2017 |
10-Q
| Quarterly Report for the period ended June 30, 2017 |
| 08/04/2017 |
8-K
| Results of Operations and Financial Condition, Financial Statements and Exhibits Interactive Data |
| 07/18/2017 |
8-K
| Submission of Matters to a Vote of Security Holders |
| 07/14/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 07/07/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/30/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/27/2017 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans |
| 06/26/2017 |
144
| Form 144 - Report of proposed sale of securities |
| 06/23/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/20/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 06/16/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/09/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 06/08/2017 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition |
| 06/02/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/26/2017 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans |
| 05/26/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 05/25/2017 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| 05/24/2017 |
PREM14A
| Form PREM14A - Preliminary proxy statements relating to merger or acquisition |
| 05/24/2017 |
8-K
| Form 8-K - Current report |
|