QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

HARBOUR INVESTMENTS, INC.'s Holding History (CIK: 0000810121)

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

Q3 2023

Shares 20 Value ($000) $0 Avg Close $2.41 Range $1.57 - $3.90

Q2 2021

Shares 100 Value ($000) $1 Avg Close $10.48 Range $7.85 - $13.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	20	$0	$2.41	$1.57 - $3.90
Q2 2021	100	$1	$10.48	$7.85 - $13.23