PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 10,276 Value ($000) $710 Avg Close $67.02 Range $60.57 - $73.29

Q3 2025

Shares 73,221 Value ($000) $4,858 Avg Close $67.67 Range $63.46 - $74.18

Q2 2025

Shares 30,661 Value ($000) $2,154 Avg Close $67.25 Range $60.04 - $72.70

Q1 2025

Shares 43,220 Value ($000) $3,085 Avg Close $73.31 Range $66.80 - $80.01

Q2 2024

Shares 552 Value ($000) $34 Avg Close $58.22 Range $54.44 - $62.43

Q1 2024

Shares 17 Value ($000) $1 Avg Close $59.70 Range $56.68 - $64.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,276	$710	$67.02	$60.57 - $73.29
Q3 2025	73,221	$4,858	$67.67	$63.46 - $74.18
Q2 2025	30,661	$2,154	$67.25	$60.04 - $72.70
Q1 2025	43,220	$3,085	$73.31	$66.80 - $80.01
Q2 2024	552	$34	$58.22	$54.44 - $62.43
Q1 2024	17	$1	$59.70	$56.68 - $64.40