CIK 0000776867 · Large accelerated filer
WHITE MOUNTAINS INSURANCE GROUP LTD
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- WTM
- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- FY end
- Dec 31
- Incorporated
- Bermuda
- Entity type
- operating
- EIN
- 942708455
- Phone
- 603 640 2200
- Business address
- 23 SOUTH MAIN STREET, SUITE 3B, HANOVER, NH, 03755
- Former names
- WHITE MOUNTAINS INSURANCE GROUP INC, FUND AMERICAN ENTERPRISES HOLDINGS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-01 | SEELIG ROBERT LAWRENCE EVP & General Counsel | Shares withheld for taxes | −398 | $2,078.03 | $827K | 17,907 |
| 2026-01-01 | Caffrey Liam P Chief Executive Officer | Shares withheld for taxes | −425 | $2,078.03 | $883K | 1,655 |
| 2025-12-23 | Hildreth Michaela MD & Chief Accounting Officer | Gift | −60 | 2,165 | ||
| 2025-12-19 | CAMPBELL REID TARLTON Director | Sale | −5,000 | $2,050.00 | $10.3M | 10,440 |
| 2025-12-19 | CAMPBELL REID TARLTON Director | Sale | −5,000 | 10,440 | ||
| 2025-12-19 | Rountree George Manning Chief Executive Officer | Sale | −5,000 | $2,050.00 | $10.3M | 13,809 |
| 2025-12-16 | Gelston Philip A Director | Sale | −165 | $2,048.51 | $338K | 1,568 |
| 2025-11-25 | CAMPBELL REID TARLTON Director | Gift | −50 | 15,440 | ||
| 2025-11-10 | Tanner David Allen Director | Gift | −4 | 2,104 | ||
| 2025-05-22 | SHANK SUZANNE F. Director | Grant or award | +150 | 871 | ||
| 2025-05-22 | Yi Steven Director | Grant or award | +150 | 525 | ||
| 2025-05-22 | Tanner David Allen Director | Grant or award | +150 | 2,108 | ||
| 2025-05-22 | Hicks Weston M Director | Grant or award | +210 | 2,746 | ||
| 2025-05-22 | Gelston Philip A Director | Grant or award | +150 | 1,733 | ||
| 2025-05-22 | Dillon Margaret Director | Grant or award | +150 | 945 | ||
| 2025-05-22 | CHOKSI MARY C Director | Grant or award | +150 | 1,858 | ||
| 2025-05-22 | Carlson Peter M Director | Grant or award | +150 | 717 | ||
| 2025-05-22 | CAMPBELL REID TARLTON Director | Grant or award | +150 | 15,490 | ||
| 2025-02-26 | Rountree George Manning Chief Executive Officer | Grant or award | +1,625 | 5,425 | ||
| 2025-02-26 | Caffrey Liam P EVP& Chief Financial Officer | Grant or award | +1,025 | 3,400 |
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