SeaStar Medical Stock Price History
NASDAQ: ICUHealth CareMedical/Dental InstrumentsUSD
3.61+0.12 (+3.44%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ICU price history at a glance
The price history for SeaStar Medical (ICU) on this page begins on March 15, 2021, when the stock closed at $2,452.50; it most recently closed at $3.61 on October 5, 2026. The highest price in this record is $5,500.00, reached on October 24, 2022; the latest close is 99.9% below that peak. Across the 4 complete calendar years in the table, ICU finished higher in 0 and lower in 4. Its best year was 2022 (-59.2%) and its worst was 2023 (-89.2%).
Over roughly 6 years the share price changed -99.9%, a -69.1% compound annual price return (excluding dividends). In the last 12 months alone, ICU has lost 40.2%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2021
- $5,500.00
- Date of high
- Oct 24, 2022
- Low since 2021
- $2.07
- Date of low
- Mar 23, 2026
- 52-week high
- $7.35
- 52-week low
- $2.07
- IPO year
- 2021
- Last close
- $3.61
ICU returns
1 week
-23.03%
1 month
+16.45%
3 months
-27.07%
6 months
-2.70%
Year to date
+50.42%
1 year
-40.23%
3 years
-97.22%
5 years
-99.86%
ICU price return, excluding dividends.
ICU annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 3.61 | +37.26% |
| 2025 | 2.63 | -87.48% |
| 2024 | 21.00 | -81.04% |
| 2023 | 110.75 | -89.20% |
| 2022 | 1,025.00 | -59.16% |
| 2021* | 2,510.00 | +2.34% |
* Partial year: the record begins after the start of 2021; return measured from the first available close.
2026 return is year to date.
ICU daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 3.57 | 3.62 | 3.31 | 3.61 | +3.44% | |
| 3.72 | 3.72 | 3.33 | 3.49 | -6.18% | |
| 3.26 | 3.76 | 3.05 | 3.72 | +16.61% | |
| 3.48 | 3.50 | 3.07 | 3.19 | -10.14% | |
| 3.62 | 3.74 | 3.44 | 3.55 | -24.31% | |
| 3.78 | 4.80 | 3.69 | 4.69 | +25.07% | |
| 3.99 | 3.99 | 3.71 | 3.75 | -4.82% | |
| 3.62 | 4.09 | 3.62 | 3.94 | +10.67% | |
| 3.40 | 3.75 | 3.26 | 3.56 | +4.71% | |
| 3.42 | 3.42 | 3.33 | 3.40 | -0.58% | |
| 3.48 | 3.54 | 3.39 | 3.42 | -0.58% | |
| 3.45 | 3.51 | 3.22 | 3.44 | -2.55% | |
| 3.55 | 3.60 | 3.45 | 3.53 | 0.00% | |
| 3.58 | 3.60 | 3.42 | 3.53 | -1.40% | |
| 3.57 | 3.58 | 3.33 | 3.58 | +1.13% | |
| 3.51 | 3.68 | 3.43 | 3.54 | +1.23% | |
| 2.91 | 3.50 | 2.91 | 3.50 | +13.54% | |
| 2.98 | 3.11 | 2.98 | 3.08 | +1.99% | |
| 3.05 | 3.05 | 2.92 | 3.02 | -1.66% | |
| 3.07 | 3.08 | 3.03 | 3.07 | +1.35% | |
| 3.14 | 3.16 | 2.97 | 3.03 | -3.19% | |
| 3.09 | 3.34 | 3.09 | 3.13 | +0.97% | |
| 3.07 | 3.20 | 3.02 | 3.10 | +5.08% | |
| 2.97 | 3.03 | 2.89 | 2.95 | -1.01% | |
| 2.84 | 3.01 | 2.84 | 2.98 | +2.41% | |
| 2.91 | 3.02 | 2.86 | 2.91 | +1.04% | |
| 2.97 | 3.03 | 2.87 | 2.88 | -3.68% | |
| 3.11 | 3.14 | 2.96 | 2.99 | -4.47% | |
| 3.09 | 3.17 | 3.05 | 3.13 | +1.29% | |
| 3.06 | 3.16 | 3.03 | 3.09 | -0.32% | |
| 3.09 | 3.19 | 3.03 | 3.10 | -0.64% | |
| 3.23 | 3.24 | 3.08 | 3.12 | -1.89% | |
| 3.28 | 3.29 | 3.12 | 3.18 | -0.31% | |
| 3.39 | 3.41 | 3.19 | 3.19 | -4.78% | |
| 3.32 | 3.50 | 3.27 | 3.35 | +0.30% | |
| 3.31 | 3.43 | 3.20 | 3.34 | +2.14% | |
| 3.35 | 3.43 | 3.27 | 3.27 | -2.10% | |
| 3.30 | 3.34 | 3.20 | 3.34 | +2.77% | |
| 3.20 | 3.33 | 3.15 | 3.25 | +2.20% | |
| 3.15 | 3.29 | 3.11 | 3.18 | +0.32% | |
| 3.20 | 3.27 | 3.04 | 3.17 | -5.65% | |
| 3.64 | 3.69 | 3.30 | 3.36 | -8.94% | |
| 3.69 | 3.85 | 3.61 | 3.69 | 0.00% | |
| 3.30 | 3.82 | 3.30 | 3.69 | +12.50% | |
| 3.15 | 3.30 | 3.06 | 3.28 | +7.54% | |
| 3.16 | 3.16 | 3.02 | 3.05 | +0.99% | |
| 3.23 | 3.25 | 2.96 | 3.02 | -5.33% | |
| 3.22 | 3.37 | 3.07 | 3.19 | -0.16% | |
| 3.15 | 3.29 | 3.12 | 3.20 | +2.08% | |
| 3.33 | 3.33 | 3.06 | 3.13 | -1.57% | |
| 3.30 | 3.43 | 3.15 | 3.18 | -2.15% | |
| 3.48 | 3.72 | 3.24 | 3.25 | -5.52% | |
| 3.51 | 3.53 | 3.40 | 3.44 | -3.64% | |
| 3.79 | 3.96 | 3.57 | 3.57 | -4.80% | |
| 3.81 | 3.85 | 3.66 | 3.75 | +0.27% | |
| 3.90 | 3.95 | 3.68 | 3.74 | -3.86% | |
| 3.84 | 4.04 | 3.80 | 3.89 | +0.78% | |
| 3.84 | 3.95 | 3.70 | 3.86 | +0.26% | |
| 4.07 | 4.11 | 3.80 | 3.85 | -3.75% | |
| 4.16 | 4.29 | 3.95 | 4.00 | -5.21% | |
| 4.56 | 4.62 | 4.13 | 4.22 | -8.66% | |
| 4.78 | 4.80 | 4.50 | 4.62 | -3.75% | |
| 4.74 | 5.01 | 4.60 | 4.80 | +0.21% | |
| 4.96 | 5.05 | 4.66 | 4.79 | -3.23% | |
| 4.96 | 5.00 | 4.68 | 4.95 | +1.02% | |
| 5.02 | 5.30 | 4.82 | 4.90 | -3.54% | |
| 4.96 | 5.38 | 4.82 | 5.08 | +0.20% | |
| 4.82 | 5.30 | 4.82 | 5.07 | +6.51% | |
| 4.90 | 5.00 | 4.60 | 4.76 | -3.25% | |
| 4.62 | 5.38 | 4.55 | 4.92 | +1.23% | |
| 3.70 | 4.95 | 3.70 | 4.86 | +32.43% | |
| 3.65 | 3.69 | 3.44 | 3.67 | +3.38% | |
| 3.08 | 3.79 | 3.08 | 3.55 | +13.78% | |
| 2.97 | 3.28 | 2.96 | 3.12 | +4.70% | |
| 3.06 | 3.10 | 2.96 | 2.98 | -3.56% | |
| 3.42 | 3.43 | 3.07 | 3.09 | -10.95% | |
| 3.21 | 3.61 | 3.21 | 3.47 | +7.10% | |
| 3.17 | 3.49 | 3.17 | 3.24 | +3.85% | |
| 3.11 | 3.15 | 3.03 | 3.12 | +1.96% | |
| 3.01 | 3.24 | 3.01 | 3.06 | +0.66% | |
| 3.10 | 3.15 | 3.01 | 3.04 | -2.88% | |
| 3.10 | 3.45 | 3.05 | 3.13 | +5.03% | |
| 2.71 | 3.17 | 2.71 | 2.98 | +9.16% | |
| 2.66 | 2.88 | 2.59 | 2.73 | +3.80% | |
| 2.78 | 2.82 | 2.60 | 2.63 | -5.40% | |
| 2.89 | 2.99 | 2.70 | 2.78 | -4.14% | |
| 2.93 | 3.06 | 2.81 | 2.90 | -1.36% | |
| 3.05 | 3.16 | 2.88 | 2.94 | -6.07% | |
| 3.35 | 3.43 | 3.07 | 3.13 | -4.57% | |
| 3.53 | 3.64 | 3.27 | 3.28 | -7.08% | |
| 3.60 | 3.73 | 3.52 | 3.53 | -3.02% | |
| 3.80 | 3.82 | 3.55 | 3.64 | -1.89% | |
| 3.67 | 3.82 | 3.60 | 3.71 | +1.37% | |
| 3.63 | 3.90 | 3.52 | 3.66 | +1.95% | |
| 3.57 | 3.69 | 3.51 | 3.59 | +0.28% | |
| 3.79 | 3.95 | 3.46 | 3.58 | -4.53% | |
| 4.06 | 4.25 | 3.72 | 3.75 | -5.30% | |
| 3.91 | 4.00 | 3.89 | 3.96 | -0.25% | |
| 3.81 | 3.97 | 3.81 | 3.97 | +2.06% | |
| 3.96 | 4.10 | 3.85 | 3.89 | -2.75% | |
| 3.92 | 4.08 | 3.89 | 4.00 | +1.27% | |
| 4.21 | 4.21 | 3.95 | 3.95 | -5.95% | |
| 4.82 | 4.82 | 4.02 | 4.20 | -8.70% | |
| 4.89 | 4.89 | 4.56 | 4.60 | -4.96% | |
| 4.50 | 4.98 | 4.44 | 4.84 | +5.68% | |
| 4.59 | 4.70 | 4.42 | 4.58 | +2.00% | |
| 4.93 | 4.93 | 4.35 | 4.49 | -7.61% | |
| 4.94 | 5.10 | 4.70 | 4.86 | -0.21% | |
| 4.40 | 5.06 | 4.38 | 4.87 | +10.18% | |
| 4.36 | 4.48 | 4.32 | 4.42 | +2.08% | |
| 4.36 | 4.45 | 4.22 | 4.33 | -0.92% | |
| 4.23 | 4.58 | 4.16 | 4.37 | +5.56% | |
| 3.88 | 4.19 | 3.80 | 4.14 | +6.98% | |
| 3.87 | 4.01 | 3.72 | 3.87 | -1.28% | |
| 3.75 | 4.01 | 3.72 | 3.92 | +2.89% | |
| 4.10 | 4.13 | 3.76 | 3.81 | -7.75% | |
| 4.33 | 4.40 | 4.05 | 4.13 | -2.59% | |
| 4.40 | 4.49 | 4.24 | 4.24 | -4.93% | |
| 4.41 | 4.47 | 4.14 | 4.46 | +3.96% | |
| 4.64 | 4.85 | 4.25 | 4.29 | -7.34% | |
| 4.17 | 4.65 | 4.00 | 4.63 | +10.24% | |
| 4.19 | 4.59 | 4.08 | 4.20 | +0.96% | |
| 3.90 | 4.22 | 3.80 | 4.16 | +7.77% | |
| 3.79 | 4.00 | 3.69 | 3.86 | +2.93% | |
| 4.22 | 4.29 | 3.72 | 3.75 | -10.93% | |
| 3.71 | 4.28 | 3.70 | 4.21 | +13.48% | |
| 4.03 | 4.06 | 3.60 | 3.71 | -8.62% | |
| 4.20 | 4.28 | 4.00 | 4.06 | -2.87% | |
| 4.32 | 4.48 | 4.15 | 4.18 | +0.24% | |
| 4.38 | 4.38 | 3.82 | 4.17 | -8.95% | |
| 4.36 | 4.93 | 4.27 | 4.58 | +6.26% | |
| 3.41 | 4.55 | 3.37 | 4.31 | +21.07% | |
| 3.64 | 3.73 | 3.47 | 3.56 | -4.30% | |
| 3.83 | 3.94 | 3.25 | 3.72 | +2.76% | |
| 2.74 | 3.77 | 2.74 | 3.62 | +32.12% | |
| 2.80 | 2.97 | 2.65 | 2.74 | -1.79% | |
| 2.38 | 3.14 | 2.38 | 2.79 | +22.37% | |
| 2.21 | 2.34 | 2.21 | 2.28 | +1.79% | |
| 2.25 | 2.27 | 2.07 | 2.24 | +1.36% | |
| 2.23 | 2.26 | 2.17 | 2.21 | -0.90% | |
| 2.26 | 2.27 | 2.09 | 2.23 | -1.76% | |
| 2.34 | 2.34 | 2.26 | 2.27 | -3.40% | |
| 2.45 | 2.47 | 2.32 | 2.35 | -5.24% | |
| 2.49 | 2.53 | 2.42 | 2.48 | +3.33% | |
| 2.57 | 2.60 | 2.33 | 2.40 | -6.25% | |
| 2.62 | 2.66 | 2.52 | 2.56 | -3.03% | |
| 2.76 | 2.88 | 2.61 | 2.64 | -4.69% | |
| 2.79 | 2.93 | 2.70 | 2.77 | +2.97% | |
| 2.68 | 2.84 | 2.67 | 2.69 | +1.89% | |
| 2.48 | 2.69 | 2.44 | 2.64 | +4.76% | |
| 2.56 | 2.68 | 2.47 | 2.52 | -2.33% | |
| 2.54 | 2.71 | 2.54 | 2.58 | +2.79% | |
| 2.58 | 2.61 | 2.50 | 2.51 | -1.95% | |
| 2.64 | 2.69 | 2.48 | 2.56 | -5.54% | |
| 2.65 | 2.89 | 2.55 | 2.71 | -1.81% | |
| 2.60 | 2.78 | 2.60 | 2.76 | +0.73% | |
| 2.47 | 2.74 | 2.47 | 2.74 | +10.93% | |
| 2.35 | 2.52 | 2.30 | 2.47 | +3.78% | |
| 2.34 | 2.42 | 2.32 | 2.38 | 0.00% | |
| 2.47 | 2.47 | 2.28 | 2.38 | -2.46% | |
| 2.40 | 2.47 | 2.36 | 2.44 | +1.24% | |
| 2.41 | 2.46 | 2.37 | 2.41 | -1.63% | |
| 2.46 | 2.49 | 2.38 | 2.45 | +1.24% | |
| 2.41 | 2.48 | 2.36 | 2.42 | +0.83% | |
| 2.24 | 2.44 | 2.23 | 2.40 | +3.90% | |
| 2.32 | 2.35 | 2.23 | 2.31 | -1.28% | |
| 2.37 | 2.42 | 2.25 | 2.34 | -0.85% | |
| 2.43 | 2.45 | 2.32 | 2.36 | -2.88% | |
| 2.40 | 2.74 | 2.31 | 2.43 | -2.02% | |
| 2.42 | 2.52 | 2.36 | 2.48 | +2.90% | |
| 2.55 | 2.57 | 2.34 | 2.41 | -6.23% | |
| 2.46 | 2.70 | 2.46 | 2.57 | +4.90% | |
| 2.52 | 2.53 | 2.36 | 2.45 | -2.78% | |
| 2.39 | 2.57 | 2.31 | 2.52 | +5.88% | |
| 2.33 | 2.38 | 2.27 | 2.38 | +1.93% | |
| 2.39 | 2.40 | 2.30 | 2.34 | -2.30% | |
| 2.47 | 2.56 | 2.35 | 2.39 | -3.24% | |
| 2.48 | 2.59 | 2.37 | 2.47 | -0.40% | |
| 2.58 | 2.71 | 2.48 | 2.48 | -3.88% | |
| 2.59 | 2.70 | 2.54 | 2.58 | -0.39% | |
| 2.35 | 2.60 | 2.31 | 2.59 | +14.10% | |
| 2.32 | 2.40 | 2.26 | 2.27 | -0.44% | |
| 2.49 | 2.49 | 2.27 | 2.28 | -9.88% | |
| 2.58 | 2.63 | 2.52 | 2.53 | -1.56% | |
| 2.70 | 2.79 | 2.49 | 2.57 | -7.89% | |
| 2.86 | 2.96 | 2.76 | 2.79 | -2.79% | |
| 2.30 | 2.98 | 2.30 | 2.87 | +24.78% | |
| 2.34 | 2.35 | 2.24 | 2.30 | +1.77% | |
| 2.41 | 2.47 | 2.26 | 2.26 | -6.22% | |
| 2.45 | 2.57 | 2.40 | 2.41 | -2.03% | |
| 2.64 | 2.66 | 2.40 | 2.46 | -4.65% | |
| 2.55 | 2.81 | 2.51 | 2.58 | -0.39% | |
| 2.57 | 2.71 | 2.50 | 2.59 | -1.52% | |
| 2.36 | 2.68 | 2.29 | 2.63 | +9.58% | |
| 2.25 | 2.40 | 2.22 | 2.40 | +5.26% | |
| 2.32 | 2.32 | 2.25 | 2.28 | -1.72% | |
| 2.50 | 2.50 | 2.30 | 2.32 | -9.38% | |
| 2.44 | 2.79 | 2.44 | 2.56 | +5.79% | |
| 2.20 | 2.49 | 2.20 | 2.42 | +2.98% | |
| 2.75 | 2.75 | 2.35 | 2.35 | -8.56% | |
| 2.40 | 2.70 | 2.40 | 2.57 | +4.90% | |
| 2.50 | 2.55 | 2.32 | 2.45 | -16.67% | |
| 3.12 | 3.15 | 2.94 | 2.94 | +0.34% | |
| 3.13 | 3.15 | 2.93 | 2.93 | -6.69% | |
| 3.11 | 3.19 | 3.05 | 3.14 | +1.29% | |
| 3.30 | 3.37 | 3.05 | 3.10 | -3.43% | |
| 3.50 | 3.50 | 3.21 | 3.21 | -5.87% | |
| 3.40 | 3.52 | 3.40 | 3.41 | +0.29% | |
| 3.54 | 3.63 | 3.20 | 3.40 | -4.49% | |
| 3.39 | 3.60 | 3.32 | 3.56 | +5.01% | |
| 3.50 | 3.90 | 3.39 | 3.39 | -5.83% | |
| 3.44 | 3.63 | 3.42 | 3.60 | +0.28% | |
| 3.25 | 3.59 | 3.25 | 3.59 | +5.59% | |
| 3.37 | 3.50 | 3.21 | 3.40 | 0.00% | |
| 3.20 | 3.40 | 3.02 | 3.40 | +8.28% | |
| 3.10 | 3.29 | 3.02 | 3.14 | -0.95% | |
| 3.10 | 3.21 | 3.02 | 3.17 | +4.28% | |
| 3.45 | 3.45 | 3.01 | 3.04 | -4.40% | |
| 3.07 | 3.28 | 3.04 | 3.18 | +4.26% | |
| 3.00 | 3.14 | 2.90 | 3.05 | 0.00% | |
| 3.17 | 3.25 | 3.01 | 3.05 | -1.61% | |
| 3.20 | 3.30 | 3.01 | 3.10 | -0.32% | |
| 3.35 | 3.35 | 3.00 | 3.11 | -7.16% | |
| 3.20 | 3.45 | 3.11 | 3.35 | +10.56% | |
| 3.95 | 3.95 | 3.01 | 3.03 | -20.26% | |
| 4.00 | 4.17 | 3.61 | 3.80 | -17.39% | |
| 5.17 | 5.17 | 4.44 | 4.60 | -7.82% | |
| 4.76 | 5.00 | 4.71 | 4.99 | +1.84% | |
| 4.79 | 5.02 | 4.66 | 4.90 | +2.08% | |
| 5.01 | 5.04 | 4.70 | 4.80 | -2.04% | |
| 4.59 | 4.90 | 4.25 | 4.90 | +6.29% | |
| 5.22 | 5.31 | 4.51 | 4.61 | -8.89% | |
| 4.42 | 5.40 | 4.22 | 5.06 | -2.69% | |
| 5.48 | 5.63 | 4.91 | 5.20 | -7.31% | |
| 6.00 | 6.00 | 5.50 | 5.61 | -1.58% | |
| 5.50 | 5.74 | 5.45 | 5.70 | +2.70% | |
| 5.64 | 5.70 | 5.50 | 5.55 | -2.63% | |
| 5.79 | 5.79 | 5.52 | 5.70 | -0.35% | |
| 5.89 | 6.00 | 5.67 | 5.72 | -3.87% | |
| 6.10 | 6.14 | 5.85 | 5.95 | -3.09% | |
| 6.37 | 6.48 | 6.14 | 6.14 | -2.69% | |
| 6.10 | 6.39 | 6.03 | 6.31 | +2.60% | |
| 6.20 | 6.40 | 5.94 | 6.15 | -2.38% | |
| 6.34 | 6.43 | 6.15 | 6.30 | +0.16% | |
| 6.20 | 6.50 | 5.90 | 6.29 | +2.61% | |
| 6.15 | 6.46 | 5.86 | 6.13 | -2.70% | |
| 6.42 | 7.35 | 6.30 | 6.30 | -1.10% | |
| 5.70 | 6.66 | 5.60 | 6.37 | +11.95% | |
| 5.10 | 5.70 | 5.10 | 5.69 | +4.40% | |
| 5.85 | 5.85 | 5.33 | 5.45 | -4.72% | |
| 6.00 | 6.20 | 5.50 | 5.72 | -5.30% | |
| 6.50 | 6.50 | 6.01 | 6.04 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ICU chart for longer ranges.