AMPRIUS TECHNOLOGIES INC

Ticker: AMPX CUSIP: 03214Q108 Class: Common Stock

EASTERN BANK's Holding History (CIK: 0001126395)

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

Q4 2025

Shares 2,000 Value ($000) $16 Avg Close $11.43 Range $7.71 - $16.03

Q3 2025

Shares 2,000 Value ($000) $21 Avg Close $7.87 Range $3.80 - $12.29

Q2 2025

Shares 2,000 Value ($000) $8 Avg Close $2.81 Range $1.97 - $4.35

Q1 2025

Shares 2,000 Value ($000) $5 Avg Close $2.95 Range $1.70 - $4.21

Q4 2024

Shares 2,000 Value ($000) $6 Avg Close $1.75 Range $0.97 - $3.36

Q3 2024

Shares 2,000 Value ($000) $2 Avg Close $1.10 Range $0.61 - $1.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,000	$16	$11.43	$7.71 - $16.03
Q3 2025	2,000	$21	$7.87	$3.80 - $12.29
Q2 2025	2,000	$8	$2.81	$1.97 - $4.35
Q1 2025	2,000	$5	$2.95	$1.70 - $4.21
Q4 2024	2,000	$6	$1.75	$0.97 - $3.36
Q3 2024	2,000	$2	$1.10	$0.61 - $1.45