SeaStar Medical Holding Corporation (ICU) Stock Price History
Historical prices from 2022 to 2026
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ICU Historical Performance
Short-Term Returns
ICU Stock Price Trajectory (2022–2026)
As of May 8, 2026, SeaStar Medical Holding Corporation (ICU) trades at $4.86, representing a +291.9% return over the past year. The stock has delivered a -98.1% total return over five years (-54.8% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $550.00 on October 28, 2022. From this peak, ICU has corrected -99.1%, currently trading 3% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers NKTR (+818.2% 1Y), TPVG (+2.0% 1Y), and AKBA (-52.0% 1Y), ICU has underperformed the peer group average. Compare ICU vs NKTR →
ICU Historical Price Data (2025–2026)
Showing 30 of 906 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 4.88 | 5.08 | 4.86 | 4.86 | 80K | -0.21% |
| 2026-05-06 | 4.50 | 5.05 | 4.38 | 4.87 | 164K | +10.18% |
| 2026-05-05 | 4.44 | 4.44 | 4.34 | 4.42 | 36K | +2.08% |
| 2026-05-04 | 4.43 | 4.43 | 4.25 | 4.33 | 81K | -0.92% |
| 2026-05-01 | 4.23 | 4.58 | 4.16 | 4.37 | 111K | +5.56% |
| 2026-04-30 | 3.80 | 4.18 | 3.80 | 4.14 | 40K | +6.98% |
| 2026-04-29 | 3.87 | 4.01 | 3.72 | 3.87 | 53K | -1.28% |
| 2026-04-28 | 3.72 | 4.01 | 3.72 | 3.92 | 27K | +2.89% |
| 2026-04-27 | 4.10 | 4.10 | 3.77 | 3.81 | 83K | -7.75% |
| 2026-04-24 | 4.33 | 4.35 | 4.13 | 4.13 | 125K | -2.59% |
| 2026-04-23 | 4.40 | 4.49 | 4.24 | 4.24 | 51K | -4.93% |
| 2026-04-22 | 4.26 | 4.47 | 4.14 | 4.46 | 74K | +3.96% |
| 2026-04-21 | 4.47 | 4.47 | 4.25 | 4.29 | 73K | -7.34% |
| 2026-04-20 | 4.10 | 4.67 | 4.00 | 4.63 | 96K | +10.24% |
| 2026-04-17 | 4.21 | 4.59 | 4.08 | 4.20 | 250K | +0.96% |
| 2026-04-16 | 3.82 | 4.21 | 3.80 | 4.16 | 81K | +7.77% |
| 2026-04-15 | 3.79 | 4.00 | 3.69 | 3.86 | 72K | +2.93% |
| 2026-04-14 | 4.23 | 4.29 | 3.72 | 3.75 | 137K | -10.93% |
| 2026-04-13 | 3.71 | 4.28 | 3.70 | 4.21 | 77K | +13.48% |
| 2026-04-10 | 4.03 | 4.06 | 3.60 | 3.71 | 165K | -8.62% |
| 2026-04-09 | 4.18 | 4.28 | 4.06 | 4.06 | 72K | -2.87% |
| 2026-04-08 | 4.32 | 4.48 | 4.15 | 4.18 | 62K | +0.24% |
| 2026-04-07 | 4.35 | 4.38 | 3.82 | 4.17 | 231K | -8.95% |
| 2026-04-06 | 4.30 | 4.93 | 4.27 | 4.58 | 344K | +6.26% |
| 2026-04-02 | 3.54 | 4.55 | 3.37 | 4.31 | 418K | +21.07% |
| 2026-04-01 | 3.64 | 3.73 | 3.47 | 3.56 | 119K | -4.30% |
| 2026-03-31 | 3.83 | 3.94 | 3.37 | 3.72 | 543K | +2.76% |
| 2026-03-30 | 2.74 | 3.77 | 2.74 | 3.62 | 1.77M | +32.12% |
| 2026-03-27 | 2.80 | 2.97 | 2.65 | 2.74 | 144K | -1.79% |
| 2026-03-26 | 2.38 | 3.14 | 2.38 | 2.79 | 572K | +22.37% |
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Start ComparisonICU — Frequently Asked Questions
Quick answers to the most common questions about buying ICU stock.
How has ICU stock performed recently?
ICU returned +291.9% over the past year, beating its 5-year annualized CAGR of -54.8%. The stock trades above its 200-day moving average, confirming the uptrend.
What is ICU's all-time high price?
SeaStar Medical Holding Corporation reached $550.00 on 2022-10-28. The 52-week high is $5.08. Current 1-year return of +291.9% places the stock closer to historical peaks.
Where can I download ICU historical price data?
This page provides ICU daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2022-2026, downloadable in CSV format.