AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Y-Intercept (Hong Kong) Ltd's Holding History (CIK: 0001772875)

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

Q3 2025

Shares 25,090 Value ($000) $669 Avg Close $25.82 Range $20.39 - $31.26

Q2 2025

Shares 17,727 Value ($000) $407 Avg Close $24.82 Range $22.64 - $29.27

Q3 2023

Shares 5,746 Value ($000) $264 Avg Close $54.55 Range $44.86 - $67.66

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	25,090	$669	$25.82	$20.39 - $31.26
Q2 2025	17,727	$407	$24.82	$22.64 - $29.27
Q3 2023	5,746	$264	$54.55	$44.86 - $67.66