PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 12,486 Value ($000) $865 Avg Close $67.02 Range $60.57 - $73.29

Q3 2025

Shares 19,594 Value ($000) $1,303 Avg Close $67.67 Range $63.46 - $74.18

Q2 2025

Shares 4,509 Value ($000) $314 Avg Close $67.25 Range $60.04 - $72.70

Q4 2017

Shares 54 Value ($000) $4 Avg Close $52.36 Range $48.50 - $57.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,486	$865	$67.02	$60.57 - $73.29
Q3 2025	19,594	$1,303	$67.67	$63.46 - $74.18
Q2 2025	4,509	$314	$67.25	$60.04 - $72.70
Q4 2017	54	$4	$52.36	$48.50 - $57.45