AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2023

Shares 12,875 Value ($000) $792 Avg Close $52.53 Range $43.79 - $63.67

Q3 2023

Shares 5,989 Value ($000) $279 Avg Close $54.55 Range $44.86 - $67.66

Q2 2023

Shares 11,936 Value ($000) $682 Avg Close $44.33 Range $35.62 - $58.70

Q1 2023

Shares 12,042 Value ($000) $459 Avg Close $32.78 Range $27.58 - $38.22

Q4 2022

Shares 10,059 Value ($000) $282 Avg Close $29.04 Range $26.76 - $31.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	12,875	$792	$52.53	$43.79 - $63.67
Q3 2023	5,989	$279	$54.55	$44.86 - $67.66
Q2 2023	11,936	$682	$44.33	$35.62 - $58.70
Q1 2023	12,042	$459	$32.78	$27.58 - $38.22
Q4 2022	10,059	$282	$29.04	$26.76 - $31.64