QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

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

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

Q3 2025

Shares 15,100 Value ($000) $21 Avg Close $1.45 Range $0.95 - $2.18

Q4 2024

Shares 12,385 Value ($000) $33 Avg Close $1.17 Range $0.61 - $4.14

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	15,100	$21	$1.45	$0.95 - $2.18
Q4 2024	12,385	$33	$1.17	$0.61 - $4.14