AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2022

Shares 192,649 Value ($000) $6,702 Avg Close $35.69 Range $28.64 - $44.46

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2022	192,649	$6,702	$35.69	$28.64 - $44.46