NASDAQ:ICU SeaStar Medical (ICU) Stock Price, News & Analysis $1.24 +0.08 (+6.90%) Closing price 09/24/2025 04:00 PM EasternExtended Trading$0.66 -0.59 (-47.18%) As of 09/24/2025 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock About SeaStar Medical Stock (NASDAQ:ICU) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get SeaStar Medical alerts:Sign Up Key Stats Today's Range$1.10▼$1.2550-Day Range$0.61▼$1.2452-Week Range$0.31▼$4.85Volume7.31 million shsAverage Volume1.20 million shsMarket Capitalization$34.62 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingN/A Company Overview SeaStar Medical, Inc. (NASDAQ: ICU) is a medical device company focused on the development and commercialization of cerebral embolic protection systems for patients undergoing transcatheter aortic valve replacement (TAVR) procedures. The company’s mission is to reduce the risk of stroke and other neurologic events associated with structural heart interventions by capturing or deflecting embolic debris that can travel to the brain during catheter-based therapies. The company’s flagship product, TriGUARD® 3, is a next-generation embolic deflection device designed to provide coverage of all three cerebral vessels during TAVR. TriGUARD 3 features an advanced frame and filter design that conforms to varying patient anatomies, enabling physicians to position the device safely and effectively without obstructing critical arterial access routes. SeaStar Medical continues to invest in clinical trials and registry studies to demonstrate the safety and performance of its technology and to support regulatory clearances in North America, Europe and other key markets. Headquartered in Kansas City, Missouri, SeaStar Medical serves a global customer base through direct sales and distribution partnerships in Europe and parts of Asia Pacific, in addition to its U.S. operations. The company collaborates with interventional cardiologists, cardiac surgeons and research institutions to refine device design and expand indications. Its leadership team brings extensive experience from leading cardiovascular and medical device firms, guiding SeaStar Medical through product development, regulatory interactions and market introduction efforts to address the growing demand for neuroprotection in structural heart care.AI Generated. May Contain Errors. Read More SeaStar Medical Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks2nd Percentile Overall ScoreICU MarketRank™: SeaStar Medical scored higher than 2% of companies evaluated by MarketBeat, and ranked 946th out of 951 stocks in the medical sector. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's OpinionN/AAnalyst RatingN/A Consensus RatingThere is not enough analysis data for SeaStar Medical. Earnings and Valuation0.0 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of SeaStar Medical is -0.47, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of SeaStar Medical is -0.47, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Read more about SeaStar Medical's valuation and earnings. Short Interest2.0 / 5Short Interest LevelBearish Percentage of Shares Shorted11.67% of the float of SeaStar Medical has been sold short.Short Interest Ratio / Days to CoverSeaStar Medical has a short interest ratio ("days to cover") of 0.4, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in SeaStar Medical has recently increased by 95.62%, indicating that investor sentiment is decreasing significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldSeaStar Medical does not currently pay a dividend.Dividend GrowthSeaStar Medical does not have a long track record of dividend growth. Sustainability and ESGN/AEnvironmental ScoreN/A Percentage of Shares Shorted11.67% of the float of SeaStar Medical has been sold short.Short Interest Ratio / Days to CoverSeaStar Medical has a short interest ratio ("days to cover") of 0.4, which is generally considered an acceptable ratio of short interest to trading volume.Change versus previous monthShort interest in SeaStar Medical has recently increased by 95.62%, indicating that investor sentiment is decreasing significantly. News and Social Media0.6 / 5News Sentiment0.00 News Coverage This WeekMarketBeat has tracked 3 news articles for SeaStar Medical this week, compared to 2 articles on an average week.Search InterestOnly 1 people have searched for ICU on MarketBeat in the last 30 days. This is a decrease of -50% compared to the previous 30 days.MarketBeat Follows4 people have added SeaStar Medical to their MarketBeat watchlist in the last 30 days. Company Ownership1.7 / 5Insider TradingAcquiring Shares Insider Buying vs. Insider SellingIn the past three months, SeaStar Medical insiders have bought more of their company's stock than they have sold. Specifically, they have bought $57,450.00 in company stock and sold $0.00 in company stock.Percentage Held by InsidersOnly 1.30% of the stock of SeaStar Medical is held by insiders.Percentage Held by InstitutionsOnly 1.69% of the stock of SeaStar Medical is held by institutions.Read more about SeaStar Medical's insider trading history. Receive ICU Stock News and Ratings via Email Sign-up to receive the latest news and ratings for SeaStar Medical and its competitors with MarketBeat's FREE daily newsletter. Submit View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. 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ICU Stock News HeadlinesSeaStar Medical (NASDAQ:ICU) Director Acquires $22,250.00 in StockAugust 29, 2025 | insidertrades.comReview board recommends SeaStar Medical continue with NEUTRALIZE-AKI trial3 hours ago | msn.comINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world. | Traders Agency (Ad)SeaStar Medical Reports DSMB Recommendation to Continue the NEUTRALIZE-AKI Pivotal Trial in Adult Acute Kidney InjurySeptember 24 at 4:22 PM | globenewswire.comSeaStar Medical to Present Early SAVE Registry Data of QUELIMMUNE in Pediatric Acute Kidney Injury at the 5th International Symposium on Acute Kidney Injury in ChildrenSeptember 23 at 8:23 AM | globenewswire.comSeaStar Medical to Participate in the HC Wainwright 27th Annual Global Investment ConferenceSeptember 4, 2025 | globenewswire.comSeaStar Medical Announces Newly Published QUELIMMUNE Health Economic Study Projecting Significantly Reduced Health Care Costs in the Treatment of Pediatric AKI due to Estimated ...September 2, 2025 | finance.yahoo.comSeaStar Medical Announces Newly Published QUELIMMUNE Health Economic Study Projecting Significantly Reduced Health Care Costs in the Treatment of Pediatric AKI due to Estimated Shorter Hospital Stays and Increased SurvivalSeptember 2, 2025 | globenewswire.comSee More Headlines ICU Stock Analysis - Frequently Asked Questions How have ICU shares performed this year? SeaStar Medical's stock was trading at $1.94 at the beginning of the year. Since then, ICU stock has decreased by 36.1% and is now trading at $1.24. How were SeaStar Medical's earnings last quarter? SeaStar Medical Holding Corporation (NASDAQ:ICU) posted its earnings results on Wednesday, August, 13th. The company reported ($0.18) EPS for the quarter, topping the consensus estimate of ($0.43) by $0.25. The company had revenue of $0.34 million for the quarter, compared to analysts' expectations of $0.25 million. Read the conference call transcript. When did SeaStar Medical's stock split? SeaStar Medical's stock reverse split before market open on Monday, June 10th 2024.The 1-25 reverse split was announced on Monday, June 10th 2024. The number of shares owned by shareholders was adjusted after the market closes on Monday, June 10th 2024. An investor that had 100 shares of stock prior to the reverse split would have 4 shares after the split. Who are SeaStar Medical's major shareholders? SeaStar Medical's top institutional investors include XTX Topco Ltd (0.54%). Insiders that own company stock include John Neuman, Kevin Chung, Heel Kenneth Van, Jennifer A Baird and Richard D Russell. View institutional ownership trends. How do I buy shares of SeaStar Medical? Shares of ICU stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of SeaStar Medical own? Based on aggregate information from My MarketBeat watchlists, some other companies that SeaStar Medical investors own include Meta Platforms (META), Pfizer (PFE), Energy Transfer (ET), JPMorgan Chase & Co. (JPM), Kinder Morgan (KMI) and Visa (V). Company Calendar Last Earnings8/13/2025Today9/25/2025Next Earnings (Estimated)11/12/2025Fiscal Year End12/31/2025Get Stock AlertsIndustry, Sector and Symbol Stock ExchangeNASDAQ SectorMedical Industry Medical Services Sub-IndustryMedical Equipment Current SymbolNASDAQ:ICU CIK1831868 Webseastarmedical.com Phone844-427-8100FaxN/AEmployees2Year FoundedN/AProfitability EPS (Trailing Twelve Months)($2.62) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$24.83 million Net Margins-1,915.27% Pretax Margin-1,914.88% Return on EquityN/A Return on Assets-232.65% Debt Debt-to-Equity RatioN/A Current Ratio1.52 Quick Ratio1.50 Sales & Book Value Annual Sales$140 thousand Price / Sales247.29 Cash FlowN/A Price / Cash FlowN/A Book Value($0.34) per share Price / Book-3.65Miscellaneous Outstanding Shares27,920,000Free Float27,552,000Market Cap$34.62 million OptionableNot Optionable Beta-1.00 5G Stocks: The Path Forward is ProfitableEnter your email address and we'll send you MarketBeat's guide to investing in 5G and which 5G stocks show the most promise. Get This Free Report This page (NASDAQ:ICU) was last updated on 9/25/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...The Oxford Club | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredA New Way to Double Your Retirement Income?Bloomberg reports that a new class of investments is “entering a golden era,” with yields fueling a retail boo...Investors Alley | SponsoredForget NVDA. Put $1,000 into this stock nowA massive money shift is underway in the AI market. 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