MarketPeel
Insider Trading Intelligence
Pricing
…
Reid Tarlton Campbell
Thu, May 21, 2026
May 21
bought
$0.00
of
WTM
135
shares @ $0.00
Increased holdings by
+1.30%
9th largest trade (out of 16)
Cluster Buy
Trade made by a director
Part of a cluster of 2 transactions by 2 insiders
Unscheduled trade
Price 6% above 200-day moving average
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Financials
Insurance
1D
0.00%
1W
+0.02%
1M
+6.75%
3M
-5.53%
6M
—
1Y
—
Recent insider activity at WTM
Dec 19
George Manning Rountree
Sold
$10.25m
Dec 19
Reid Tarlton Campbell
Sold
$0.00
Dec 16
Philip A. Gelston
Sold
$338.00k
Nov 17
Weston M. Hicks
Bought
$16.32k
Nov 17
Weston M. Hicks
Bought
$353.42k
Nov 17
Weston M. Hicks
Bought
$856.85k
Nov 17
Weston M. Hicks
Bought
$177.21k
Nov 17
Weston M. Hicks
Bought
$76.76k
Full WTM profile →
Reid Tarlton Campbell’s trading history →
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