ONE STOP SYS INC

Ticker: OSS CUSIP: 68247W109 Class: COM

Mesirow Financial Investment Management, Inc.'s Holding History (CIK: 0001469475)

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

Q1 2021

Shares 5,218 Value ($000) $33 Avg Close $6.10 Range $3.61 - $9.50

Q4 2020

Shares 2,982 Value ($000) $11,928 Avg Close $2.59 Range $2.08 - $5.33

Q1 2020

Shares 101,184 Value ($000) $146 Avg Close $2.12 Range $0.59 - $3.01

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	5,218	$33	$6.10	$3.61 - $9.50
Q4 2020	2,982	$11,928	$2.59	$2.08 - $5.33
Q1 2020	101,184	$146	$2.12	$0.59 - $3.01