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SeaStar Medical Holding Corp

Company overview

Market capitalization
$14.98M
Employees
17
Latest publication
2026-09-29
About SeaStar Medical Holding Corp

SeaStar Medical Holding Corporation, a commercial-stage healthcare company, develops a proprietary platform therapy to reduce the consequences of hyperinflammation on vital organs in the United States. The company offers the selective cytopheretic device (SCD), which is a disease-modifying device that neutralizes over-active immune cells and stops the cytokine storm that yields destructive hyperinflammation; and QUELIMMUNE, an SCD therapy for pediatric patients with acute kidney injury (AKI) due to sepsis. It also develops NEUTRALIZE-AKI, an SCD therapy that is in clinical trials for adult patients with AKI; and other products in various therapeutic areas, including cardiorenal syndrome, hepatorenal syndrome, and myocardial stunning in end-stage renal disease. SeaStar Medical Holding Corporation was founded in 2007 and is headquartered in Denver, Colorado.

Company website

Financial statements

Income Quarterly

Exact reported values; units shown beside each amount. Missing values are —.
MetricQ2 20262026-06-30 · USDQ1 20262026-03-31 · USDQ4 20252025-12-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USD
Total Revenue615,000USD495,000USD420,000USD183,000USD338,000USD293,000USD67,000USD68,000USD
Cost Of Revenue54,000USD46,000USD12,000USD14,000USD27,000USD0USD0USD0USD
Gross Profit561,000USD449,000USD408,000USD169,000USD311,000USD293,000USD67,000USD68,000USD
Research Development2,520,000USD2,344,000USD2,200,000USD1,850,000USD1,037,000USD2,431,000USD2,738,000USD2,336,000USD
Selling General Administrative1,832,000USD1,708,000USD1,224,000USD1,898,000USD1,030,000USD1,684,000USD2,096,000USD2,188,000USD
General And Administrative Expenses1,832,000USD———————
Total Operating Expenses4,352,000USD4,051,999USD3,424,000USD3,748,000USD2,067,000USD4,115,000USD4,834,000USD4,524,000USD
Operating Income-3,791,000USD-3,603,000USD-3,016,000USD-3,579,000USD-1,756,000USD-3,822,000USD-4,767,000USD-4,456,000USD
Total Other Income Expense Net61,000USD85,000USD112,000USD107,000USD-246,000USD53,000USD348,000USD-22,000USD
Interest Income69,000USD91,000USD125,000USD107,000USD45,000USD48,000USD19,000USD58,000USD
Interest Expense8,000USD6,000USD13,000USD0USD307,000USD11,000USD253,000USD272,000USD
Income Before Tax-3,730,000USD-3,518,000USD-2,904,000USD-3,472,000USD-2,002,000USD-3,769,000USD-4,419,000USD-4,478,000USD
Income Tax Expense0USD3,000USD———3,000USD——
Net Income-3,730,000USD-3,521,000USD-2,904,000USD-3,472,000USD-2,002,000USD-3,772,000USD-4,419,000USD-4,478,000USD
Net Interest Income—85,000USD112,000USD107,000USD-262,000USD37,000USD272,000USD-214,000USD
Tax Provision—3,000USD0USD0USD0USD3,000USD0USD0USD
Net Income From Continuing Ops—-3,521,000USD-2,904,000USD-3,472,000USD-2,002,000USD-3,772,000USD-4,419,000USD-4,478,000USD
Ebitda—-3,603,000USD-2,891,000USD-3,465,000USD-1,993,000USD-3,758,000USD-4,672,000USD-4,206,000USD
Ebit———-3,472,000USD-1,756,000USD-7,580,000USD-4,419,000USD-4,456,000USD
Depreciation And Amortization———7,000USD—3,822,000USD-253,000USD250,000USD
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Income Yearly

Exact reported values; units shown beside each amount. Missing values are —.
MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USD
Total Revenue1,234,000USD135,000USD0USD0USD0USD0USD
Cost Of Revenue53,000USD0USD0USD———
Gross Profit1,181,000USD135,000USD0USD———
Research Development7,518,000USD9,105,000USD5,973,000USD2,819,000USD2,766,000USD4,025,000USD
Selling General Administrative5,838,000USD8,872,000USD8,005,000USD6,600,000USD1,683,000USD2,363,000USD
Total Operating Expenses13,356,000USD17,977,000USD14,210,000USD11,609,000USD4,449,000USD6,453,000USD
Operating Income-12,175,000USD-17,842,000USD-14,210,000USD-11,609,000USD-4,449,000USD-6,453,000USD
Interest Income325,000USD101,000USD0USD———
Interest Expense329,000USD244,000USD1,081,000USD630,000USD212,000USD3,308,000USD
Net Interest Income-4,000USD-143,000USD-1,081,000USD-630,000USD-212,000USD-3,308,000USD
Income Before Tax-12,147,000USD-24,827,000USD-26,232,000USD-23,012,000USD-4,597,000USD-3,267,000USD
Income Tax Expense3,000USD3,000USD-14,010USD1,000USD-1,000USD9,000USD
Tax Provision3,000USD3,000USD0USD1,000USD-1,000USD9,000USD
Net Income-12,150,000USD-24,830,000USD-26,232,000USD-23,013,000USD-4,596,000USD-3,276,000USD
Net Income From Continuing Ops-12,150,000USD-24,830,000USD-26,232,000USD-23,013,000USD-4,596,000USD-3,276,000USD
Ebitda-12,175,000USD-24,583,000USD-11,141,000USD-11,609,000USD-4,385,000USD-5,236USD
Total Other Income Expense Net28,000USD-6,985,000USD-12,022,000USD-10,773,000USD-148,000USD3,186,000USD
Selling And Marketing Expenses—32,000USD32,000USD——65,000USD
Ebit—-42,425,000USD-25,151,000USD-11,609,000USD-8,807,000USD-12,822,000USD
Depreciation And Amortization—17,842,000USD14,010,000USD11,609USD4,449,000USD6,453,000USD
Unclassified Operating Expenses———2,190,000USD——
Net Income Applicable To Common Shares————-4,596,000USD-3,276,000USD
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Balance sheet Quarterly

Exact reported values; units shown beside each amount. Missing values are —.
MetricQ2 20262026-06-30 · USDQ1 20262026-03-31 · USDQ4 20252025-12-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USD
Total Assets8,649,000USD11,263,000USD14,158,000USD15,530,000USD8,383,000USD7,597,000USD4,658,000USD4,586,000USD
Total Current Assets8,228,000USD10,764,000USD13,580,000USD14,874,000USD7,647,000USD6,784,000USD3,766,000USD3,616,000USD
Other Non Current Assets421,000USD———————
Total Liabilities4,353,000USD———————
Total Current Liabilities4,353,000USD3,948,000USD3,742,000USD4,066,000USD5,042,000USD7,032,000USD6,841,000USD6,638,000USD
Other Current Liabilities3,468,000USD———————
Total Stockholder Equity4,296,000USD7,315,000USD10,416,000USD11,464,000USD3,341,000USD565,000USD-2,183,000USD-2,052,000USD
Total Equity Including Noncontrolling Interest4,296,000USD———————
Net Receivables208,000USD179,000USD237,000USD221,000USD217,000USD110,000USD112,000USD68,000USD
Inventory77,000USD57,000USD66,000USD83,000USD77,000USD44,000USD0USD—
Accounts Payable750,000USD719,000USD948,000USD2,018,000USD3,158,000USD3,397,000USD3,046,000USD3,687,000USD
Common Stock4,000USD4,000USD4,000USD3,000USD2,000USD2,000USD2,000USD1,000USD
Retained Earnings-158,965,000USD-155,235,000USD-151,714,000USD-148,810,000USD-145,338,000USD-143,336,000USD-139,564,000USD-135,145,000USD
Other Current Assets—1,180,000USD1,297,000USD807,000USD1,051,000USD1,334,000USD1,835,000USD1,466,000USD
Total Liab—3,948,000USD3,742,000USD4,066,000USD5,042,000USD7,032,000USD6,841,000USD6,638,000USD
Other Current Liab—2,898,000USD2,269,000USD2,048,000USD1,884,000USD3,272,000USD3,221,000USD2,951,000USD
Capital Stock—4,000USD4,000USD3,000USD2,000USD2,000USD2,000USD1,000USD
Cash—9,348,000USD11,980,000USD13,763,000USD6,302,000USD5,296,000USD1,819,000USD2,082,000USD
Cash And Short Term Investments—9,348,000USD11,980,000USD13,763,000USD6,302,000USD5,296,000USD1,819,000USD2,082,000USD
Net Debt—-9,017,000USD-11,455,000USD-13,763,000USD-6,302,000USD-4,933,000USD-1,245,000USD-2,082,000USD
Short Term Debt—331,000USD525,000USD——363,000USD574,000USD—
Short Long Term Debt—331,000USD525,000USD——363,000USD574,000USD—
Short Long Term Debt Total—331,000USD525,000USD——363,000USD574,000USD—
Common Stock Shares Outstanding—39,183,390shares20,730,870shares2,639,340shares1,750,570shares861,800shares492,000shares408,700shares
Non Current Assets Total—499,000USD578,000USD656,000USD736,000USD813,000USD892,000USD970,000USD
Non Current Liabilities Total—0USD0USD0USD0USD0USD0USD0USD
Non Currrent Assets Other—499,000USD578,000USD656,000USD736,000USD813,000USD892,000USD970,000USD
Net Working Capital—6,816,000USD9,838,000USD10,808,000USD2,605,000USD-248,000USD-3,075,000USD-3,022,000USD
Unclassified Equity—162,542,000USD162,122,000USD160,268,000USD148,675,000USD143,897,000USD137,377,000USD133,091,000USD
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Balance sheet Yearly

Exact reported values; units shown beside each amount. Missing values are —.
MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USD
Total Assets14,158,000USD4,658,000USD3,513,000USD3,038,000USD603,000USD2,909,000USD
Other Current Assets1,297,000USD1,835,000USD2,132,000USD1,472,000USD33,000USD45,000USD
Total Liab3,742,000USD6,841,000USD17,383,000USD23,800,000USD3,419,000USD74,492,000USD
Total Stockholder Equity10,416,000USD-2,183,000USD-13,870,000USD-20,762,000USD-2,816,000USD-71,583,000USD
Other Current Liab2,269,000USD3,221,000USD3,930,000USD13,043,000USD657,000USD678,000USD
Common Stock4,000USD2,000USD5,000USD1,000USD1,000USD215USD
Capital Stock4,000USD2,000USD5,000USD1,000USD1,000USD0USD
Retained Earnings-151,714,000USD-139,564,000USD-114,734,000USD-88,502,000USD-76,312,000USD-71,716,000USD
Cash11,980,000USD1,819,000USD176,000USD47,000USD510,000USD2,807,000USD
Cash And Short Term Investments11,980,000USD1,819,000USD176,000USD47,000USD510,000USD2,807,000USD
Total Current Assets13,580,000USD3,766,000USD2,308,000USD1,519,000USD601,000USD2,907,000USD
Total Current Liabilities3,742,000USD6,841,000USD13,046,000USD16,148,000USD3,120,000USD1,080,000USD
Net Debt-11,455,000USD-1,245,000USD8,905,000USD8,783,000USD2,112,000USD-2,724,000USD
Short Term Debt525,000USD574,000USD4,744,000USD1,178,000USD2,378,000USD20,000USD
Short Long Term Debt525,000USD574,000USD4,744,000USD1,178,000USD2,378,000USD20,000USD
Short Long Term Debt Total525,000USD574,000USD9,081,000USD8,830,000USD2,622,000USD83,000USD
Net Receivables237,000USD112,000USD0USD12,000USD58,000USD44,955USD
Inventory66,000USD0USD——0USD55,000USD
Accounts Payable948,000USD3,046,000USD4,372,000USD1,927,000USD85,000USD382,000USD
Common Stock Shares Outstanding20,730,870shares374,400shares86,681shares52,134shares52,164shares52,164shares
Non Current Assets Total578,000USD892,000USD1,205,000USD1,519,000USD2,000USD2,000USD
Non Current Liabilities Total0USD4,337,000USD4,337,000USD7,652,000USD299,000USD73,412,000USD
Non Currrent Assets Other578,000USD892,000USD1,205,000USD1,519,000USD2,000USD2,000USD
Net Working Capital9,838,000USD-3,075,000USD-10,738,000USD-2,314,000USD-2,519,000USD1,827,000USD
Unclassified Equity162,122,000USD137,377,000USD100,854,000USD67,738,000USD73,494,000USD—
Unclassified Non Current Liabilities—4,337,000USD———73,349,000USD
Current Deferred Revenue——-5,042,000USD—186,000USD—
Long Term Debt——4,337,000USD7,652,000USD244,000USD63,000USD
Unclassified Current Liabilities——-4,744,000USD-1,178,000USD-2,564,000USD—
Accumulated Other Comprehensive Income———0USD—-73,564USD
Other Liab————55,000USD—
Other Assets————2,000USD2,000USD
Net Tangible Assets————-76,165,000USD-71,583,000USD
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Cash flow Quarterly

Exact reported values; units shown beside each amount. Missing values are —.
MetricQ1 20262026-03-31 · USDQ4 20252025-12-31 · USDQ3 20252025-09-30 · USDQ2 20252025-06-30 · USDQ1 20252025-03-31 · USDQ4 20242024-12-31 · USDQ3 20242024-09-30 · USDQ2 20242024-06-30 · USD
Net Income-3,521,000USD-2,904,000USD-3,472,000USD-2,002,000USD-3,772,000USD-4,419,000USD-4,478,000USD-3,236,000USD
Depreciation6,000USD—7,000USD7,000USD11,000USD-27,000USD75,000USD30,000USD
Stock Based Compensation91,000USD70,000USD290,000USD97,000USD167,000USD212,000USD200,000USD41,000USD
Other Non Cash Items97,000USD-825,000USD290,000USD289,000USD-5,000USD-76,000USD-148,000USD-1,463,000USD
Change To Account Receivables58,000USD-16,000USD-4,000USD-107,000USD2,000USD-44,000USD-68,000USD0USD
Change To Inventory9,000USD17,000USD-6,000USD-33,000USD-44,000USD—0USD0USD
Change In Working Capital663,000USD-1,260,000USD-662,000USD-1,391,000USD956,000USD-410,000USD-576,000USD1,834,000USD
Total Cash From Operating Activities-2,761,000USD-4,094,000USD-3,844,000USD-3,007,000USD-2,654,000USD-4,693,000USD-5,002,000USD-2,824,000USD
Capital Expenditures0USD0USD0USD0USD0USD0USD0USD0USD
Free Cash Flow-2,761,000USD-4,094,000USD-3,844,000USD-3,007,000USD-2,654,000USD-4,693,000USD-5,002,000USD-2,824,000USD
Net Borrowings-200,000USD525,000USD0USD-370,000USD-222,000USD571,000USD-3,185,000USD—
Total Cash From Financing Activities129,000USD2,311,000USD11,305,000USD4,013,000USD6,131,000USD4,430,000USD5,905,000USD-1,016,000USD
Issuance Of Capital Stock329,000USD1,789,000USD9,183,000USD3,588,000USD1,566,000USD3,859,000USD9,090,000USD-51,000USD
Change In Cash-2,632,000USD-1,783,000USD7,461,000USD1,006,000USD3,477,000USD-263,000USD902,999USD-3,840,000USD
Begin Period Cash Flow11,980,000USD13,763,000USD6,302,000USD5,296,000USD1,819,000USD2,082,000USD1,179,000USD5,019,000USD
End Period Cash Flow9,348,000USD11,980,000USD13,763,000USD6,302,000USD5,296,000USD1,819,000USD2,081,999USD1,179,000USD
Other Cashflows From Financing Activities129,000USD2,311,000USD11,305,000USD795,000USD4,787,000USD—9,090,000USD-3,000USD
Unclassified Financing Cash Flow—-2,314,000USD-9,183,000USD———-9,090,000USD—
Sale Purchase Of Stock———————-51,000USD
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Cash flow Yearly

Exact reported values; units shown beside each amount. Missing values are —.
MetricFY 20252025-12-31 · USDFY 20242024-12-31 · USDFY 20232023-12-31 · USDFY 20222022-12-31 · USDFY 20212021-12-31 · USDFY 20202020-12-31 · USD
Net Income-12,150,000USD-24,830,000USD-26,232,000USD-12,190,000USD-4,596,000USD-3,276,000USD
Depreciation18,000USD—————
Stock Based Compensation624,000USD887,000USD1,930,000USD1,311,000USD14,000USD16USD
Other Non Cash Items266,000USD6,944,000USD11,140,000USD533,000USD148,000USD-3,186,000USD
Change To Account Receivables-125,000USD-112,000USD12,000USD4,000USD——
Change To Inventory-66,000USD0USD—-4,000USD55,000USD137,000USD
Change In Working Capital-2,357,000USD992,000USD2,877,000USD2,552,000USD-680,000USD890,000USD
Total Cash From Operating Activities-13,599,000USD-16,007,000USD-10,285,000USD-7,794,000USD-5,114,000USD-5,572,000USD
Capital Expenditures0USD0USD0USD0USD0USD-5USD
Free Cash Flow-13,599,000USD-16,007,000USD-10,285,000USD-7,794,000USD-5,114,000USD-5,572,000USD
Net Borrowings-67,000USD-4,410,000USD3,530,000USD3,481,000USD2,817,000USD-133,000USD
Total Cash From Financing Activities23,760,000USD17,650,000USD10,414,000USD7,331,000USD2,817,000USD4,892,000USD
Issuance Of Capital Stock16,126,000USD17,441,000USD6,612,000USD10,001,000USD0USD5,025,000USD
Change In Cash10,161,000USD1,643,000USD129,000USD-463,000USD471,612USD-680,000USD
Begin Period Cash Flow1,819,000USD176,000USD47,000USD510,000USD38,388USD3,487,000USD
End Period Cash Flow11,980,000USD1,819,000USD176,000USD47,000USD510,000USD2,807,000USD
Other Cashflows From Financing Activities23,760,000USD4,619,000USD272,000USD-6,151,000USD-105,570,000USD5,025,000USD
Unclassified Financing Cash Flow-16,059,000USD———105,570,000USD-5,025,000USD
Change To Liabilities————-297,000USD225,000USD
Total Cashflows From Investing Activities————-105,570,000USD—
Other Cashflows From Investing Activities————105,570,000USD—
Unclassified Investing Cash Flow————-211,140,000USD—
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Operating metrics

No operating metrics are currently published for this company.

Revenue breakdown

No revenue breakdown is currently published for this company.

Periods follow company fiscal calendars. Quarterly, annual and year-to-date amounts are shown separately. Missing values are not zero. Data may be delayed, incomplete or corrected; follow the disclosure links to verify figures.