WHITE MTNS INS GROUP LTD

Ticker: WTM CUSIP: G9618E107 Class: COM

Caprock Group, LLC's Holding History (CIK: 0001610769)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 509 Value ($000) $1,058 Avg Close $1955.46 Range $1648.00 - $2143.25

Q3 2025

Shares 492 Value ($000) $900 Avg Close $1784.36 Range $1659.17 - $1880.11

Q1 2025

Shares 184 Value ($000) $354 Avg Close $1882.39 Range $1803.96 - $1993.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	509	$1,058	$1955.46	$1648.00 - $2143.25
Q3 2025	492	$900	$1784.36	$1659.17 - $1880.11
Q1 2025	184	$354	$1882.39	$1803.96 - $1993.86