Insider Transactions in Q4 2025 at White Mountains Insurance Group LTD (WTM)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 23
2025
|
Michaela Hildreth MD & Chief Accounting Officer |
SELL
Bona fide gift
|
Direct |
60
-2.7%
|
-
|
|
Dec 19
2025
|
George Manning Rountree Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
5,000
-26.58%
|
$10,250,000
$2050.0 P/Share
|
|
Dec 19
2025
|
Reid Tarlton Campbell Director |
SELL
Open market or private sale
|
Direct |
5,000
-32.38%
|
-
|
|
Dec 16
2025
|
Philip A Gelston Director |
SELL
Open market or private sale
|
Direct |
165
-9.52%
|
$337,920
$2048.51 P/Share
|
|
Nov 25
2025
|
Reid Tarlton Campbell Director |
SELL
Bona fide gift
|
Direct |
50
-0.32%
|
-
|
|
Nov 10
2025
|
David Allen Tanner Director |
SELL
Bona fide gift
|
Direct |
4
-0.19%
|
-
|