AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

TWINBEECH CAPITAL LP's Holding History (CIK: 0001769646)

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

Q2 2025

Shares 88,530 Value ($000) $2,033 Avg Close $24.82 Range $22.64 - $29.27

Q1 2025

Shares 43,986 Value ($000) $1,275 Avg Close $31.94 Range $25.89 - $39.01

Q4 2024

Shares 46,797 Value ($000) $1,738 Avg Close $45.73 Range $36.48 - $53.96

Q2 2024

Shares 45,224 Value ($000) $1,809 Avg Close $41.44 Range $38.43 - $46.62

Q1 2024

Shares 117,069 Value ($000) $5,141 Avg Close $51.65 Range $42.16 - $65.92

Q3 2023

Shares 13,992 Value ($000) $643 Avg Close $54.55 Range $44.86 - $67.66

Q4 2022

Shares 43,937 Value ($000) $1,231 Avg Close $29.04 Range $26.76 - $31.64

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	88,530	$2,033	$24.82	$22.64 - $29.27
Q1 2025	43,986	$1,275	$31.94	$25.89 - $39.01
Q4 2024	46,797	$1,738	$45.73	$36.48 - $53.96
Q2 2024	45,224	$1,809	$41.44	$38.43 - $46.62
Q1 2024	117,069	$5,141	$51.65	$42.16 - $65.92
Q3 2023	13,992	$643	$54.55	$44.86 - $67.66
Q4 2022	43,937	$1,231	$29.04	$26.76 - $31.64