AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

HARBOR CAPITAL ADVISORS, INC.'s Holding History (CIK: 0001039128)

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

Q4 2025

Shares 271 Value ($000) $0 Avg Close $25.76 Range $22.94 - $29.00

Q3 2025

Shares 276 Value ($000) $0 Avg Close $25.82 Range $20.39 - $31.26

Q2 2025

Shares 266 Value ($000) $0 Avg Close $24.82 Range $22.64 - $29.27

Q1 2025

Shares 227 Value ($000) $0 Avg Close $31.94 Range $25.89 - $39.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	271	$0	$25.76	$22.94 - $29.00
Q3 2025	276	$0	$25.82	$20.39 - $31.26
Q2 2025	266	$0	$24.82	$22.64 - $29.27
Q1 2025	227	$0	$31.94	$25.89 - $39.01