AMTECH SYS INC

Ticker: ASYS CUSIP: 032332504 Class: COM PAR $0.01N

Jump Financial, LLC's Holding History (CIK: 0001831577)

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

Q4 2025

Shares 30,300 Value ($000) $380 Avg Close $9.01 Range $6.75 - $13.26

Q2 2021

Shares 14,900 Value ($000) $144 Avg Close $10.26 Range $8.35 - $14.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,300	$380	$9.01	$6.75 - $13.26
Q2 2021	14,900	$144	$10.26	$8.35 - $14.24