ARIDIS PHARMACEUTICALS INC

Ticker: ARDS CUSIP: 040334104 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2023

Shares 1,293 Value ($000) $0 Avg Close $0.23 Range $0.15 - $0.54

Q4 2022

Shares 1,719 Value ($000) $0 Avg Close $0.97 Range $0.79 - $1.31

Q3 2022

Shares 11,872 Value ($000) $11 Avg Close $1.56 Range $0.68 - $2.77

Q2 2022

Shares 13,622 Value ($000) $14 Avg Close $1.24 Range $0.88 - $1.77

Q1 2022

Shares 6,643 Value ($000) $11 Avg Close $1.89 Range $1.13 - $2.94

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	1,293	$0	$0.23	$0.15 - $0.54
Q4 2022	1,719	$0	$0.97	$0.79 - $1.31
Q3 2022	11,872	$11	$1.56	$0.68 - $2.77
Q2 2022	13,622	$14	$1.24	$0.88 - $1.77
Q1 2022	6,643	$11	$1.89	$1.13 - $2.94