This page lists the SEC filings reported by WHITE MOUNTAINS INSURANCE GROUP LTD.
| Type | Filed | |
|---|---|---|
| 8-K | 2019-03-01 | EDGAR |
| 8-K | 2019-02-26 | EDGAR |
| 8-K | 2019-02-14 | EDGAR |
| 8-K | 2019-02-06 | EDGAR |
| 8-K | 2019-02-04 | EDGAR |
| 8-K | 2019-01-07 | EDGAR |
| 8-K | 2018-11-05 | EDGAR |
| 8-K | 2018-08-24 | EDGAR |
| 8-K | 2018-08-07 | EDGAR |
| 8-K | 2018-06-08 | EDGAR |
| 8-K | 2018-05-29 | EDGAR |
| 8-K | 2018-05-11 | EDGAR |
| 8-K | 2018-05-02 | EDGAR |
| 8-K | 2018-04-10 | EDGAR |
| 8-K | 2018-04-02 | EDGAR |
| 8-K | 2018-03-02 | EDGAR |
| 8-K | 2018-02-07 | EDGAR |
| 8-K | 2017-11-08 | EDGAR |
| 8-K | 2017-09-28 | EDGAR |
| 8-K | 2017-09-15 | EDGAR |
- Form 13F-HR
- The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
- Form SC 13D/G
- Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
- Form 3, 4, and 5
- Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.