AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q3 2019

Shares 18,395 Value ($000) $365 Avg Close $20.83 Range $18.66 - $22.85

Q2 2019

Shares 11,156 Value ($000) $236 Avg Close $20.90 Range $18.60 - $23.06

Q4 2016

Shares 91,795 Value ($000) $1,691 Avg Close $19.45 Range $16.87 - $21.75

Q3 2016

Shares 17,089 Value ($000) $324 Avg Close $18.15 Range $15.62 - $21.53

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	18,395	$365	$20.83	$18.66 - $22.85
Q2 2019	11,156	$236	$20.90	$18.60 - $23.06
Q4 2016	91,795	$1,691	$19.45	$16.87 - $21.75
Q3 2016	17,089	$324	$18.15	$15.62 - $21.53