AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Laurion Capital Management LP's Holding History (CIK: 0001390202)

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

Q2 2019

Shares 13,392 Value ($000) $283 Avg Close $20.90 Range $18.60 - $23.06

Q1 2019

Shares 19,074 Value ($000) $390 Avg Close $22.40 Range $19.32 - $25.43

Q4 2017

Shares 17,100 Value ($000) $329 Avg Close $18.67 Range $17.00 - $19.95

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	13,392	$283	$20.90	$18.60 - $23.06
Q1 2019	19,074	$390	$22.40	$19.32 - $25.43
Q4 2017	17,100	$329	$18.67	$17.00 - $19.95