AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

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

Q3 2025

Shares 54 Value ($000) $1 Avg Close $25.82 Range $20.39 - $31.26

Q2 2025

Shares 49 Value ($000) $1 Avg Close $24.82 Range $22.64 - $29.27

Q4 2024

Shares 48 Value ($000) $2 Avg Close $45.73 Range $36.48 - $53.96

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	54	$1	$25.82	$20.39 - $31.26
Q2 2025	49	$1	$24.82	$22.64 - $29.27
Q4 2024	48	$2	$45.73	$36.48 - $53.96