WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
Data as of , from SEC Form 4 filings.
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About WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
White Mountains Insurance Group Ltd is engaged in the business of making opportunistic and value-oriented acquisitions of businesses and assets in the insurance, financial services, and related sectors, operating these businesses and assets through its subsidiaries and, if and when attractive exit valuations become available, disposing of these businesses and assets. The company conducts its business in five areas: property and casualty insurance and reinsurance, municipal bond reinsurance, capital solutions for asset and wealth management firms, property and casualty insurance distribution, and other operations. The company has four reportable segments: Ark/WM Outrigger, HG Global, Kudu and Distinguished.
- HANOVER, NH
- 1,648
- 1985
- XNYS
WTM Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 1 | 113 | |
| Bona-fide gift | 1 | 2 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
WTM insider transactions (Form 4)
131 Form 4 filings on record, the earliest from Dec 2, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michaela Hildreth - Officer | Gift | Common Shares | 75 | $0.00 | - |
WTM insider trading FAQ
What is the latest insider trade for WTM?
WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) had 2 insider filings in the last 90 days, with the most recent on 2026-08-31. The full record for WTM runs to 31 Form 4 filings, the earliest from 2024-12-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying WTM stock?
No insider purchases of WTM were filed in the last 90 days.
How many insiders are selling WTM stock?
No insider sales of WTM were filed in the last 90 days. 3 sales are on record for this company.
Where can I see WTM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects WTM Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - David Allen Tanner view on EDGAR
- - Stephen Klar view on EDGAR
- - David Allen Tanner view on EDGAR
- - Suzanne F. Shank view on EDGAR
- - Weston M. Hicks view on EDGAR
- - Philip A. Gelston view on EDGAR
- - Margaret Dillon view on EDGAR
- - John Chu view on EDGAR
- - Mary C. Choksi view on EDGAR
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Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Financials
- Where WTM's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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