QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Clearstead Advisors, LLC's Holding History (CIK: 0000842775)

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

Q3 2022

Shares 400 Value ($000) $1 Avg Close $3.20 Range $2.31 - $4.43

Q2 2022

Shares 400 Value ($000) $1 Avg Close $3.83 Range $2.22 - $4.97

Q1 2022

Shares 400 Value ($000) $2 Avg Close $4.87 Range $3.72 - $8.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	400	$1	$3.20	$2.31 - $4.43
Q2 2022	400	$1	$3.83	$2.22 - $4.97
Q1 2022	400	$2	$4.87	$3.72 - $8.30