Dark

ICU
SeaStar Medical Holding Corporation Common Stock
stock NASDAQ

At Close

Oct 2, 2026 3:58:42 PM EDT

4.69USD+25.067%(+0.94)512,191

4.02Bid 4.80Ask 0.78Spread

Pre-market

Oct 1, 2026 9:02:30 AM EDT

4.02USD+7.200%(+0.27)0

After-hours

Oct 2, 2026 4:45:30 PM EDT

4.63USD-1.194%(-0.06)2,735

OverviewHistoricalExchange VolumeShortsTrends

ICU Volume Oct 2, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	71.27	365,372	63.00
Nasdaq GSM	13.85	71,002	16.59
Cboe EDGX	5.01	25,692	6.00
NYSE Arca	4.67	23,957	7.93
IEX	2.09	10,736	1.70
MEMX	1.45	7,448	1.64
Cboe BZX	0.74	3,783	0.69
MIAX Pearl	0.47	2,429	1.49
Nasdaq BX	0.20	1,034	0.17
NYSE American	0.13	655	0.06
NYSE	0.06	293	0.17
Cboe EDGA	0.03	179	0.12
Cboe BYX	0.01	76	0.39
Nasdaq PHLX	0.01	30	0.02
CHX	0.00	1	0.00
NYSE National	0.00	0	0.02
24X National	0.00	0	0.00

chartexchange.com

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

ICU Nutrition Facts

11.20 servings per container

Serving size

45.78K

Calories

512.69K

% Day

% Avg

Off Exchange¹ 365K

71.27%

63.00%

Nasdaq GSM 71K

13.85%

16.59%

Cboe EDGX 26K

5.01%

6.00%

NYSE Arca 24K

4.67%

7.93%

IEX 11K

2.09%

1.70%

MEMX 7K

1.45%

1.64%

Cboe BZX 4K

0.74%

0.69%

MIAX Pearl 2K

0.47%

1.49%

Nasdaq BX 1K

0.20%

0.17%

NYSE American 655

0.13%

0.06%

NYSE 293

0.06%

0.17%

Cboe EDGA 179

0.03%

0.12%

Cboe BYX 76

0.01%

0.39%

Nasdaq PHLX 30

0.01%

0.02%

CHX 1

0.00%

NYSE National 0

0.00%

0.02%

24X National 0

0.00%

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

chartexchange.com

ICU Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 365,372, which is 71.27% of today's total volume.
Today's Lit volume is 147,315, which is 28.73%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 63.00%.
The average Lit volume has been 37.00%.

ICU Volume by Exchange

Off Exchange

Nasdaq GSM

Cboe EDGX

NYSE Arca

IEX

MEMX

Cboe BZX

MIAX Pearl

Nasdaq BX

NYSE American

NYSE