AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

MQS Management LLC's Holding History (CIK: 0001759395)

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

Q4 2021

Shares 10,935 Value ($000) $255 Avg Close $20.45 Range $18.12 - $23.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	10,935	$255	$20.45	$18.12 - $23.85