QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Mirae Asset Global Investments Co., Ltd.'s Holding History (CIK: 0001569395)

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

Q4 2025

Shares 9,503 Value ($000) $10 Avg Close $1.63 Range $1.07 - $3.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,503	$10	$1.63	$1.07 - $3.10