AMPHASTAR PHARMACEUTICALS IN

Ticker: AMPH CUSIP: 03209R103 Class: Common Stock

XTX Topco Ltd's Holding History (CIK: 0001828301)

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

Q4 2025

Shares 48,607 Value ($000) $1,302 Avg Close $25.76 Range $22.94 - $29.00

Q1 2025

Shares 18,358 Value ($000) $532 Avg Close $31.94 Range $25.89 - $39.01

Q3 2024

Shares 13,891 Value ($000) $674 Avg Close $43.89 Range $36.56 - $50.62

Q4 2023

Shares 4,025 Value ($000) $249 Avg Close $52.53 Range $43.79 - $63.67

Q2 2023

Shares 6,105 Value ($000) $351 Avg Close $44.33 Range $35.62 - $58.70

Q4 2022

Shares 16,480 Value ($000) $462 Avg Close $29.04 Range $26.76 - $31.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,607	$1,302	$25.76	$22.94 - $29.00
Q1 2025	18,358	$532	$31.94	$25.89 - $39.01
Q3 2024	13,891	$674	$43.89	$36.56 - $50.62
Q4 2023	4,025	$249	$52.53	$43.79 - $63.67
Q2 2023	6,105	$351	$44.33	$35.62 - $58.70
Q4 2022	16,480	$462	$29.04	$26.76 - $31.64