QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Callan Family Office, LLC's Holding History (CIK: 0001938970)

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

Q2 2025

Shares 10,379 Value ($000) $20 Avg Close $1.48 Range $1.02 - $2.15

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	10,379	$20	$1.48	$1.02 - $2.15