Philip A Gelston sold $338K of White Mountains Insurance (WTM)

Executed Dec 16 2025, disclosed Dec 16 2025, the same day.

Value, as filed

$338K

165 sh × $2,048.51

Executed

Dec 16 2025

the trade date, as filed

Disclosed

Dec 16 2025

0 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

PG Philip A Gelston Director profile →

Philip A Gelston (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in WTM. The largest single filing was $338K of WTM (165 sh × $2,048.51, as filed), executed Dec 16 2025.

The name

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