AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Yorktown Management & Research Co Inc's Holding History (CIK: 0001313559)

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

Q4 2024

Shares 6,600 Value ($000) $245 Avg Close $45.73 Range $36.48 - $53.96

Q4 2023

Shares 5,700 Value ($000) $353 Avg Close $52.53 Range $43.79 - $63.67

Q3 2023

Shares 5,700 Value ($000) $262 Avg Close $54.55 Range $44.86 - $67.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	6,600	$245	$45.73	$36.48 - $53.96
Q4 2023	5,700	$353	$52.53	$43.79 - $63.67
Q3 2023	5,700	$262	$54.55	$44.86 - $67.66