AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

Rockefeller Capital Management L.P.'s Holding History (CIK: 0001739439)

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

Q4 2025

Shares 100 Value ($000) $3 Avg Close $25.76 Range $22.94 - $29.00

Q3 2025

Shares 423 Value ($000) $11 Avg Close $25.82 Range $20.39 - $31.26

Q4 2022

Shares 14 Value ($000) $0 Avg Close $29.04 Range $26.76 - $31.64

Q3 2022

Shares 14 Value ($000) $0 Avg Close $32.65 Range $27.10 - $39.07

Q2 2022

Shares 61 Value ($000) $2 Avg Close $35.69 Range $28.64 - $44.46

Q4 2021

Shares 9 Value ($000) $0 Avg Close $20.45 Range $18.12 - $23.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100	$3	$25.76	$22.94 - $29.00
Q3 2025	423	$11	$25.82	$20.39 - $31.26
Q4 2022	14	$0	$29.04	$26.76 - $31.64
Q3 2022	14	$0	$32.65	$27.10 - $39.07
Q2 2022	61	$2	$35.69	$28.64 - $44.46
Q4 2021	9	$0	$20.45	$18.12 - $23.85