BERKLEY W R CORP

Ticker: WRB CUSIP: 084423102 Class: COM

MATTERN CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001803227)

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

Q4 2025

Shares 106,859 Value ($000) $7,493 Avg Close $72.74 Range $64.36 - $77.72

Q3 2025

Shares 101,601 Value ($000) $7,785 Avg Close $70.00 Range $65.55 - $75.76

Q2 2025

Shares 81,220 Value ($000) $5,967 Avg Close $69.95 Range $61.08 - $73.57

Q1 2025

Shares 73,590 Value ($000) $5,237 Avg Close $59.72 Range $54.51 - $74.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	106,859	$7,493	$72.74	$64.36 - $77.72
Q3 2025	101,601	$7,785	$70.00	$65.55 - $75.76
Q2 2025	81,220	$5,967	$69.95	$61.08 - $73.57
Q1 2025	73,590	$5,237	$59.72	$54.51 - $74.49