AMPRIUS TECHNOLOGIES INC

Ticker: AMPX CUSIP: 03214Q108 Class: Common Stock

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q4 2025

Shares 442,090 Value ($000) $3,488 Avg Close $11.43 Range $7.71 - $16.03

Q3 2025

Shares 299,339 Value ($000) $3,149 Avg Close $7.87 Range $3.80 - $12.29

Q2 2025

Shares 449,197 Value ($000) $1,891 Avg Close $2.81 Range $1.97 - $4.35

Q1 2025

Shares 491,378 Value ($000) $1,317 Avg Close $2.95 Range $1.70 - $4.21

Q4 2024

Shares 117,150 Value ($000) $328 Avg Close $1.75 Range $0.97 - $3.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	442,090	$3,488	$11.43	$7.71 - $16.03
Q3 2025	299,339	$3,149	$7.87	$3.80 - $12.29
Q2 2025	449,197	$1,891	$2.81	$1.97 - $4.35
Q1 2025	491,378	$1,317	$2.95	$1.70 - $4.21
Q4 2024	117,150	$328	$1.75	$0.97 - $3.36