QUANTUM SI INC

Ticker: QSI CUSIP: 74765K105 Class: Common Stock

Advisory Services Network, LLC's Holding History (CIK: 0001573876)

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

Q1 2023

Shares 250 Value ($000) $0 Avg Close $1.97 Range $1.54 - $2.63

Q4 2022

Shares 250 Value ($000) $0 Avg Close $2.58 Range $1.72 - $3.61

Q2 2021

Shares 9,333 Value ($000) $114 Avg Close $10.48 Range $7.85 - $13.23

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	250	$0	$1.97	$1.54 - $2.63
Q4 2022	250	$0	$2.58	$1.72 - $3.61
Q2 2021	9,333	$114	$10.48	$7.85 - $13.23