ONE STOP SYS INC

Ticker: OSS CUSIP: 68247W109 Class: COM

ARIEL INVESTMENTS, LLC's Holding History (CIK: 0000936753)

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

Q1 2021

Shares 23,745 Value ($000) $151 Avg Close $6.10 Range $3.61 - $9.50

Q4 2020

Shares 88,012 Value ($000) $352 Avg Close $2.59 Range $2.08 - $5.33

Q3 2020

Shares 71,260 Value ($000) $150 Avg Close $2.34 Range $1.81 - $3.14

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	23,745	$151	$6.10	$3.61 - $9.50
Q4 2020	88,012	$352	$2.59	$2.08 - $5.33
Q3 2020	71,260	$150	$2.34	$1.81 - $3.14