Reid Tarlton Campbell sold $10.2M of White Mountains Insurance (WTM)

Executed Dec 19 2025, disclosed Dec 22 2025, 3 days later.

Value, as filed

$10.2M

5,000 sh × $2,050.00

Executed

Dec 19 2025

the trade date, as filed

Disclosed

Dec 22 2025

3 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

RC Reid Tarlton Campbell Director profile →

Reid Tarlton Campbell (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in WTM. The largest single filing was $10.2M of WTM (5,000 sh × $2,050.00, as filed), executed Dec 19 2025.

The name

WTM WTM WTM · 5 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Reid Tarlton Campbell in WTM

WTMSALE WHITE MOUNTAINS INSURANCE GROUP LTD $10.2M
as filed
Exec Dec 19 2025
Filed Dec 22 2025 · 5:30 PM ET