AMPRIUS TECHNOLOGIES INC

Ticker: AMPX CUSIP: 03214Q108 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q4 2025

Shares 6,850 Value ($000) $54 Avg Close $11.43 Range $7.71 - $16.03

Q2 2025

Shares 5,882 Value ($000) $25 Avg Close $2.81 Range $1.97 - $4.35

Q1 2025

Shares 2,479 Value ($000) $7 Avg Close $2.95 Range $1.70 - $4.21

Q4 2023

Shares 672 Value ($000) $0 Avg Close $3.76 Range $2.60 - $6.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,850	$54	$11.43	$7.71 - $16.03
Q2 2025	5,882	$25	$2.81	$1.97 - $4.35
Q1 2025	2,479	$7	$2.95	$1.70 - $4.21
Q4 2023	672	$0	$3.76	$2.60 - $6.02