ICU

SeaStar Medical Holding Corp

Company with tickers: ICU, ICUCW

CIK

1831868

CUSIP

81256L302

Shares Outstanding

3,997,002

13F Activity (30d)

11 filings 11 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-04	26,321	220,540	246,861	59.9%
2026-04-27	20,143	172,675	192,818	71.1%
2026-04-20	24,551	211,329	235,880	61.6%
2026-04-13	45,947	265,224	311,171	58.8%
2026-04-06	54,628	416,354	470,982	53.5%
2026-03-30	133,618	1,565,504	1,699,122	67.6%
2026-03-23	54,460	577,218	631,678	56.9%
2026-03-16	11,821	182,016	193,837	49.5%
2026-03-09	14,885	137,712	152,597	56.0%
2026-03-02	16,756	166,637	183,393	58.9%
2026-02-23	14,515	146,002	160,517	56.9%
2026-02-16	8,685	84,770	93,455	55.5%
2026-02-09	30,636	323,994	354,630	44.1%
2026-02-02	18,857	191,151	210,008	61.8%
2026-01-26	13,331	297,128	310,459	61.3%
2026-01-19	19,483	323,250	342,733	63.4%
2026-01-12	50,988	720,714	771,702	63.0%
2026-01-05	21,913	318,056	339,969	58.1%
2025-12-29	72,229	2,124,394	2,196,623	100.0%
2025-12-22	383,458	3,710,902	4,094,360	100.0%
2025-12-15	104,625	3,881,189	3,985,814	100.0%

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