SeaStar Medical Holding Corporation (ICU)
NASDAQ: ICU · Real-Time Price · USD
3.920
+0.110 (2.89%)
At close: Apr 28, 2026, 4:00 PM EDT
4.100
+0.180 (4.59%)
After-hours: Apr 28, 2026, 6:00 PM EDT
SeaStar Medical Holding Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 3.75 | 4.01 | 3.72 | 3.93 | 3.93 | 3.04% | 26,564 |
| Apr 27, 2026 | 4.10 | 4.13 | 3.76 | 3.81 | 3.81 | -7.75% | 82,951 |
| Apr 24, 2026 | 4.33 | 4.40 | 4.05 | 4.13 | 4.13 | -2.59% | 124,521 |
| Apr 23, 2026 | 4.40 | 4.49 | 4.24 | 4.24 | 4.24 | -4.93% | 53,163 |
| Apr 22, 2026 | 4.41 | 4.47 | 4.14 | 4.46 | 4.46 | 3.96% | 73,627 |
| Apr 21, 2026 | 4.64 | 4.85 | 4.25 | 4.29 | 4.29 | -7.34% | 73,283 |
| Apr 20, 2026 | 4.17 | 4.65 | 4.00 | 4.63 | 4.63 | 10.24% | 95,653 |
| Apr 17, 2026 | 4.19 | 4.59 | 4.08 | 4.20 | 4.20 | 0.96% | 251,337 |
| Apr 16, 2026 | 3.90 | 4.22 | 3.80 | 4.16 | 4.16 | 7.77% | 81,130 |
| Apr 15, 2026 | 3.79 | 4.00 | 3.69 | 3.86 | 3.86 | 2.93% | 71,927 |
| Apr 14, 2026 | 4.22 | 4.29 | 3.72 | 3.75 | 3.75 | -10.93% | 137,448 |
| Apr 13, 2026 | 3.71 | 4.28 | 3.70 | 4.21 | 4.21 | 13.48% | 77,335 |
| Apr 10, 2026 | 4.03 | 4.06 | 3.60 | 3.71 | 3.71 | -8.62% | 164,647 |
| Apr 9, 2026 | 4.20 | 4.28 | 4.00 | 4.06 | 4.06 | -2.87% | 71,691 |
| Apr 8, 2026 | 4.32 | 4.48 | 4.15 | 4.18 | 4.18 | 0.24% | 63,188 |
| Apr 7, 2026 | 4.38 | 4.38 | 3.82 | 4.17 | 4.17 | -8.95% | 228,593 |
| Apr 6, 2026 | 4.36 | 4.93 | 4.27 | 4.58 | 4.58 | 6.26% | 344,115 |
| Apr 2, 2026 | 3.41 | 4.55 | 3.37 | 4.31 | 4.31 | 21.07% | 419,269 |
| Apr 1, 2026 | 3.64 | 3.73 | 3.47 | 3.56 | 3.56 | -4.30% | 119,186 |
| Mar 31, 2026 | 3.83 | 3.94 | 3.25 | 3.72 | 3.72 | 2.76% | 542,766 |
| Mar 30, 2026 | 2.74 | 3.77 | 2.74 | 3.62 | 3.62 | 32.12% | 1,789,794 |
| Mar 27, 2026 | 2.80 | 2.97 | 2.65 | 2.74 | 2.74 | -1.79% | 144,887 |
| Mar 26, 2026 | 2.38 | 3.14 | 2.38 | 2.79 | 2.79 | 22.37% | 578,091 |
| Mar 25, 2026 | 2.21 | 2.34 | 2.21 | 2.28 | 2.28 | 1.79% | 156,453 |
| Mar 24, 2026 | 2.25 | 2.27 | 2.07 | 2.24 | 2.24 | 1.36% | 177,314 |
| Mar 23, 2026 | 2.23 | 2.26 | 2.17 | 2.21 | 2.21 | -0.90% | 53,749 |
| Mar 20, 2026 | 2.26 | 2.27 | 2.09 | 2.23 | 2.23 | -1.76% | 125,669 |
| Mar 19, 2026 | 2.34 | 2.34 | 2.26 | 2.27 | 2.27 | -3.40% | 64,054 |
| Mar 18, 2026 | 2.45 | 2.47 | 2.32 | 2.35 | 2.35 | -5.24% | 58,926 |
| Mar 17, 2026 | 2.49 | 2.53 | 2.42 | 2.48 | 2.48 | 3.33% | 28,761 |
| Mar 16, 2026 | 2.57 | 2.60 | 2.33 | 2.40 | 2.40 | -6.25% | 114,203 |
| Mar 13, 2026 | 2.62 | 2.66 | 2.52 | 2.56 | 2.56 | -3.03% | 61,166 |
| Mar 12, 2026 | 2.76 | 2.88 | 2.61 | 2.64 | 2.64 | -4.69% | 69,287 |
| Mar 11, 2026 | 2.79 | 2.93 | 2.70 | 2.77 | 2.77 | 2.97% | 72,820 |
| Mar 10, 2026 | 2.68 | 2.84 | 2.67 | 2.69 | 2.69 | 1.89% | 42,547 |
| Mar 9, 2026 | 2.48 | 2.69 | 2.44 | 2.64 | 2.64 | 4.76% | 28,332 |
| Mar 6, 2026 | 2.56 | 2.68 | 2.47 | 2.52 | 2.52 | -2.33% | 39,707 |
| Mar 5, 2026 | 2.54 | 2.71 | 2.54 | 2.58 | 2.58 | 2.79% | 76,925 |
| Mar 4, 2026 | 2.58 | 2.61 | 2.50 | 2.51 | 2.51 | -1.95% | 48,775 |
| Mar 3, 2026 | 2.64 | 2.69 | 2.48 | 2.56 | 2.56 | -5.54% | 55,146 |
| Mar 2, 2026 | 2.65 | 2.89 | 2.55 | 2.71 | 2.71 | -1.81% | 91,059 |
| Feb 27, 2026 | 2.60 | 2.78 | 2.60 | 2.76 | 2.76 | 0.73% | 81,255 |
| Feb 26, 2026 | 2.47 | 2.74 | 2.47 | 2.74 | 2.74 | 10.93% | 51,239 |
| Feb 25, 2026 | 2.35 | 2.52 | 2.30 | 2.47 | 2.47 | 3.78% | 38,113 |
| Feb 24, 2026 | 2.34 | 2.42 | 2.32 | 2.38 | 2.38 | - | 33,060 |
| Feb 23, 2026 | 2.47 | 2.47 | 2.28 | 2.38 | 2.38 | -2.46% | 78,745 |
| Feb 20, 2026 | 2.40 | 2.47 | 2.36 | 2.44 | 2.44 | 1.24% | 28,398 |
| Feb 19, 2026 | 2.41 | 2.46 | 2.37 | 2.41 | 2.41 | -1.63% | 37,570 |
| Feb 18, 2026 | 2.46 | 2.49 | 2.38 | 2.45 | 2.45 | 1.24% | 59,105 |
| Feb 17, 2026 | 2.41 | 2.48 | 2.36 | 2.42 | 2.42 | 0.83% | 43,616 |
| Feb 13, 2026 | 2.24 | 2.44 | 2.23 | 2.40 | 2.40 | 3.90% | 28,822 |
| Feb 12, 2026 | 2.32 | 2.35 | 2.23 | 2.31 | 2.31 | -1.28% | 69,685 |
| Feb 11, 2026 | 2.37 | 2.42 | 2.25 | 2.34 | 2.34 | -0.85% | 59,191 |
| Feb 10, 2026 | 2.43 | 2.45 | 2.32 | 2.36 | 2.36 | -2.88% | 42,249 |
| Feb 9, 2026 | 2.40 | 2.74 | 2.31 | 2.43 | 2.43 | -2.02% | 604,337 |
| Feb 6, 2026 | 2.42 | 2.52 | 2.36 | 2.48 | 2.48 | 2.90% | 52,690 |
| Feb 5, 2026 | 2.55 | 2.57 | 2.34 | 2.41 | 2.41 | -6.23% | 44,640 |
| Feb 4, 2026 | 2.46 | 2.70 | 2.46 | 2.57 | 2.57 | 4.90% | 84,975 |
| Feb 3, 2026 | 2.52 | 2.53 | 2.36 | 2.45 | 2.45 | -2.78% | 67,911 |
| Feb 2, 2026 | 2.39 | 2.57 | 2.31 | 2.52 | 2.52 | 5.88% | 89,696 |
| Jan 30, 2026 | 2.33 | 2.38 | 2.27 | 2.38 | 2.38 | 1.93% | 168,445 |
| Jan 29, 2026 | 2.39 | 2.40 | 2.30 | 2.34 | 2.34 | -2.30% | 89,796 |
| Jan 28, 2026 | 2.47 | 2.56 | 2.35 | 2.39 | 2.39 | -3.24% | 82,362 |
| Jan 27, 2026 | 2.48 | 2.59 | 2.37 | 2.47 | 2.47 | -0.40% | 106,690 |
| Jan 26, 2026 | 2.58 | 2.71 | 2.48 | 2.48 | 2.48 | -3.88% | 59,235 |
| Jan 23, 2026 | 2.59 | 2.70 | 2.54 | 2.58 | 2.58 | -0.39% | 107,474 |
| Jan 22, 2026 | 2.35 | 2.60 | 2.31 | 2.59 | 2.59 | 14.10% | 224,927 |
| Jan 21, 2026 | 2.32 | 2.40 | 2.26 | 2.27 | 2.27 | -0.44% | 66,273 |
| Jan 20, 2026 | 2.49 | 2.49 | 2.27 | 2.28 | 2.28 | -9.88% | 142,547 |
| Jan 16, 2026 | 2.58 | 2.63 | 2.52 | 2.53 | 2.53 | -1.56% | 71,572 |
| Jan 15, 2026 | 2.70 | 2.79 | 2.49 | 2.57 | 2.57 | -7.89% | 159,485 |
| Jan 14, 2026 | 2.86 | 2.96 | 2.76 | 2.79 | 2.79 | -2.79% | 229,269 |
| Jan 13, 2026 | 2.30 | 2.98 | 2.30 | 2.87 | 2.87 | 24.78% | 667,015 |
| Jan 12, 2026 | 2.34 | 2.35 | 2.24 | 2.30 | 2.30 | 1.77% | 97,313 |
| Jan 9, 2026 | 2.41 | 2.47 | 2.26 | 2.26 | 2.26 | -6.22% | 107,795 |
| Jan 8, 2026 | 2.45 | 2.57 | 2.40 | 2.41 | 2.41 | -2.03% | 57,193 |
| Jan 7, 2026 | 2.64 | 2.66 | 2.40 | 2.46 | 2.46 | -4.65% | 131,043 |
| Jan 6, 2026 | 2.55 | 2.81 | 2.51 | 2.58 | 2.58 | -0.39% | 114,079 |
| Jan 5, 2026 | 2.57 | 2.71 | 2.50 | 2.59 | 2.59 | -1.56% | 175,546 |
| Jan 2, 2026 | 2.36 | 2.68 | 2.29 | 2.63 | 2.63 | 9.62% | 102,932 |
| Dec 31, 2025 | 2.25 | 2.40 | 2.22 | 2.40 | 2.40 | 5.26% | 67,810 |
| Dec 30, 2025 | 2.32 | 2.32 | 2.25 | 2.28 | 2.28 | -1.85% | 52,036 |
| Dec 29, 2025 | 2.50 | 2.50 | 2.30 | 2.32 | 2.32 | -9.29% | 85,264 |
| Dec 26, 2025 | 2.44 | 2.79 | 2.44 | 2.56 | 2.56 | 5.83% | 172,924 |
| Dec 24, 2025 | 2.20 | 2.49 | 2.20 | 2.42 | 2.42 | 2.89% | 127,667 |
| Dec 23, 2025 | 2.75 | 2.75 | 2.35 | 2.35 | 2.35 | -8.59% | 279,176 |
| Dec 22, 2025 | 2.40 | 2.70 | 2.40 | 2.57 | 2.57 | 5.11% | 102,495 |
| Dec 19, 2025 | 2.50 | 2.55 | 2.32 | 2.45 | 2.45 | -16.85% | 300,083 |
| Dec 18, 2025 | 3.12 | 3.15 | 2.94 | 2.94 | 2.94 | 0.48% | 112,274 |
| Dec 17, 2025 | 3.13 | 3.15 | 2.93 | 2.93 | 2.93 | -6.54% | 62,296 |
| Dec 16, 2025 | 3.11 | 3.19 | 3.05 | 3.14 | 3.14 | 1.13% | 31,426 |
| Dec 15, 2025 | 3.30 | 3.37 | 3.05 | 3.10 | 3.10 | -3.49% | 75,274 |
| Dec 12, 2025 | 3.50 | 3.50 | 3.21 | 3.21 | 3.21 | -5.81% | 65,613 |
| Dec 11, 2025 | 3.40 | 3.52 | 3.40 | 3.41 | 3.41 | 0.29% | 50,924 |
| Dec 10, 2025 | 3.54 | 3.63 | 3.20 | 3.40 | 3.40 | -4.60% | 89,248 |
| Dec 9, 2025 | 3.39 | 3.60 | 3.32 | 3.56 | 3.56 | 5.10% | 73,233 |
| Dec 8, 2025 | 3.50 | 3.90 | 3.39 | 3.39 | 3.39 | -5.67% | 204,991 |
| Dec 5, 2025 | 3.44 | 3.63 | 3.42 | 3.60 | 3.60 | 0.14% | 99,543 |
| Dec 4, 2025 | 3.25 | 3.59 | 3.25 | 3.59 | 3.59 | 5.59% | 134,020 |
| Dec 3, 2025 | 3.37 | 3.50 | 3.21 | 3.40 | 3.40 | - | 154,651 |