AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

SEGALL BRYANT & HAMILL, LLC's Holding History (CIK: 0001006378)

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

Q4 2025

Shares 11,185 Value ($000) $300 Avg Close $25.76 Range $22.94 - $29.00

Q3 2025

Shares 11,185 Value ($000) $298 Avg Close $25.82 Range $20.39 - $31.26

Q2 2025

Shares 11,185 Value ($000) $257 Avg Close $24.82 Range $22.64 - $29.27

Q1 2025

Shares 11,185 Value ($000) $324 Avg Close $31.94 Range $25.89 - $39.01

Q4 2024

Shares 18,881 Value ($000) $701 Avg Close $45.73 Range $36.48 - $53.96

Q3 2024

Shares 18,968 Value ($000) $921 Avg Close $43.89 Range $36.56 - $50.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,185	$300	$25.76	$22.94 - $29.00
Q3 2025	11,185	$298	$25.82	$20.39 - $31.26
Q2 2025	11,185	$257	$24.82	$22.64 - $29.27
Q1 2025	11,185	$324	$31.94	$25.89 - $39.01
Q4 2024	18,881	$701	$45.73	$36.48 - $53.96
Q3 2024	18,968	$921	$43.89	$36.56 - $50.62