White Mountains Insurance Group Ltd.
Last updated September 27, 2026
Organization details
- Legal name
- White Mountains Insurance Group Ltd.
- Former names
- Fund American Enterprises Holdings Inc
- Ownership
- Public
- Status
- Active
- SIC code
- 6331 — Fire, Marine & Casualty Insurance
- Jurisdiction of incorporation
- Bermuda
- Headquarters city
- Hanover
- Headquarters state / province
- New Hampshire
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- WTM
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0000776867
- EIN
- 94-2708455
Board of directors
-
David Allen Tanner · DirectorSince 2023
-
George Manning Rountree · Director · Chief Executive OfficerSince 2023
-
John Chu · DirectorSince 2026
-
Liam P. Caffrey · Director · Chief Executive OfficerSince 2026
-
Margaret Dillon · DirectorSince 2023
-
Mary C. Choksi · DirectorSince 2023
-
Peter M. Carlson · DirectorSince 2023
-
Philip A. Gelston · DirectorSince 2023
-
Reid Tarlton Campbell · DirectorSince 2024
-
Stephen Klar · DirectorSince 2026
-
Steven Yi · DirectorSince 2023
-
Suzanne F. Shank · DirectorSince 2023
-
Weston M. Hicks · DirectorSince 2023
Chief executives
George Manning Rountree
· Chief Executive Officer
Dates unknown
Liam P. Caffrey
· Chief Executive Officer
Dates unknown
Director election results
Annual meeting of May 21, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
91.8%
-
94.5%
-
98.5%
-
98.6%
Board connections
5 of this board's directors also sit on 7 other boards.
- via Suzanne F. Shank
- via Peter M. Carlson
- via Margaret Dillon
- via Steven Yi
- via Mary C. Choksi
- via Suzanne F. Shank
- via Peter M. Carlson
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $10,588,004
- 3 sales by 3 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | David Allen Tanner Director | Gift | −2 | — | — |
| Aug 26, 2026 | Stephen Klar Director | Grant or award | +113 | — | — |
| May 21, 2026 | David Allen Tanner Director | Grant or award | +135 | — | — |
| May 21, 2026 | Suzanne F. Shank Director | Grant or award | +135 | — | — |
| May 21, 2026 | Weston M. Hicks Director | Grant or award | +190 | — | — |
| May 21, 2026 | Philip A. Gelston Director | Grant or award | +135 | — | — |
| May 21, 2026 | Margaret Dillon Director | Grant or award | +135 | — | — |
| May 21, 2026 | John Chu Director | Grant or award | +135 | — | — |
| May 21, 2026 | Mary C. Choksi Director | Grant or award | +135 | — | — |
| May 21, 2026 | Peter M. Carlson Director | Grant or award | +135 | — | — |
| May 21, 2026 | Reid Tarlton Campbell Director | Grant or award | +135 | — | — |
| Mar 19, 2026 | SEELIG ROBERT LAWRENCE Officer (EVP & General Counsel) | Gift | −50 | — | — |
| Mar 4, 2026 | David Allen Tanner Director | Gift | −225 | — | — |
| Feb 25, 2026 | Liam P. Caffrey Director, Officer (Chief Executive Officer) | Grant or award | +1,500 | — | — |
| Feb 25, 2026 | Harrison Giles E Officer (President) | Grant or award | +775 | — | — |
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