Dark

ATOS
Atossa Therapeutics, Inc. Common Stock
stock NASDAQ

Market Open

Jul 31, 2026 9:59:14 AM EDT

2.13USD-3.620%(-0.08)13,789

1.84Bid 2.51Ask 0.67Spread

Pre-market

Jul 31, 2026 8:38:30 AM EDT

2.22USD+0.452%(+0.01)3,651

After-hours

Jul 27, 2026 4:00:30 PM EDT

2.36USD-1.461%(-0.03)0

OverviewOptionsHistoricalExchange VolumeShortsMore

ATOS Volume Jul 31, 2026 10:15:00 AM EDT

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	71.77	6,074	48.76
Nasdaq GSM	17.71	1,499	23.39
MEMX	5.39	456	1.96
IEX	2.45	207	2.57
NYSE Arca	2.02	171	13.17
Cboe EDGX	0.65	55	5.42
Cboe BZX	0.01	1	1.54
Nasdaq PHLX	0.00	0	0.08
LTSE	0.00	0	0.02
CHX	0.00	0	0.02
NYSE American	0.00	0	0.07
NYSE	0.00	0	0.54
Cboe EDGA	0.00	0	0.24
NYSE National	0.00	0	0.30
Nasdaq BX	0.00	0	0.40
MIAX Pearl	0.00	0	0.74
Cboe BYX	0.00	0	0.76
24X National	0.00	0	0.02

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

ATOS Nutrition Facts

0.05 servings per container

Serving size

175.33K

Calories

8.46K

% Day

% Avg

Off Exchange¹ 6K

71.77%

48.76%

Nasdaq GSM 1K

17.71%

23.39%

MEMX 456

5.39%

1.96%

IEX 207

2.45%

2.57%

NYSE Arca 171

2.02%

13.17%

Cboe EDGX 55

0.65%

5.42%

Cboe BZX 1

0.01%

1.54%

Nasdaq PHLX 0

0.00%

0.08%

LTSE 0

0.00%

0.02%

CHX 0

0.00%

0.02%

NYSE American 0

0.00%

0.07%

NYSE 0

0.00%

0.54%

Cboe EDGA 0

0.00%

0.24%

NYSE National 0

0.00%

0.30%

Nasdaq BX 0

0.00%

0.40%

MIAX Pearl 0

0.00%

0.74%

Cboe BYX 0

0.00%

0.76%

24X National 0

0.00%

0.02%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

ATOS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 6,074, which is 71.77% of today's total volume.
Today's Lit volume is 2,389, which is 28.23%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 48.76%.
The average Lit volume has been 51.24%.

ATOS Volume by Exchange

Off Exchange

Nasdaq GSM

MEMX

IEX

NYSE Arca

Cboe EDGX

Cboe BZX

Cboe EDGA

MIAX Pearl

NYSE

NYSE National