SeaStar Medical Holding Corporation (ICU)
NASDAQ: ICU · Real-Time Price · USD
3.540
+0.043 (1.23%)
At close: Sep 18, 2026, 4:00 PM EDT
3.640
+0.100 (2.82%)
After-hours: Sep 18, 2026, 7:51 PM EDT
SeaStar Medical Holding Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 3.51 | 3.68 | 3.43 | 3.54 | 3.54 | 1.22% | 77,778 |
| Sep 17, 2026 | 2.91 | 3.50 | 2.91 | 3.50 | 3.50 | 13.55% | 78,104 |
| Sep 16, 2026 | 2.98 | 3.11 | 2.98 | 3.08 | 3.08 | 1.99% | 15,741 |
| Sep 15, 2026 | 3.05 | 3.05 | 2.92 | 3.02 | 3.02 | -1.64% | 29,175 |
| Sep 14, 2026 | 3.07 | 3.08 | 3.03 | 3.07 | 3.07 | 1.34% | 11,255 |
| Sep 11, 2026 | 3.14 | 3.16 | 2.97 | 3.03 | 3.03 | -3.19% | 44,996 |
| Sep 10, 2026 | 3.09 | 3.34 | 3.09 | 3.13 | 3.13 | 0.97% | 66,896 |
| Sep 9, 2026 | 3.07 | 3.20 | 3.02 | 3.10 | 3.10 | 5.08% | 64,108 |
| Sep 8, 2026 | 2.97 | 3.03 | 2.89 | 2.95 | 2.95 | -1.00% | 28,726 |
| Sep 4, 2026 | 2.84 | 3.01 | 2.84 | 2.98 | 2.98 | 2.40% | 25,537 |
| Sep 3, 2026 | 2.91 | 3.02 | 2.86 | 2.91 | 2.91 | 1.04% | 25,797 |
| Sep 2, 2026 | 2.97 | 3.03 | 2.87 | 2.88 | 2.88 | -3.68% | 85,430 |
| Sep 1, 2026 | 3.11 | 3.14 | 2.96 | 2.99 | 2.99 | -4.47% | 67,898 |
| Aug 31, 2026 | 3.09 | 3.17 | 3.05 | 3.13 | 3.13 | 1.29% | 33,711 |
| Aug 28, 2026 | 3.06 | 3.16 | 3.03 | 3.09 | 3.09 | -0.32% | 18,292 |
| Aug 27, 2026 | 3.09 | 3.19 | 3.03 | 3.10 | 3.10 | -0.64% | 52,067 |
| Aug 26, 2026 | 3.23 | 3.24 | 3.08 | 3.12 | 3.12 | -1.89% | 56,679 |
| Aug 25, 2026 | 3.28 | 3.29 | 3.12 | 3.18 | 3.18 | -0.31% | 49,162 |
| Aug 24, 2026 | 3.39 | 3.41 | 3.19 | 3.19 | 3.19 | -4.78% | 55,977 |
| Aug 21, 2026 | 3.32 | 3.50 | 3.27 | 3.35 | 3.35 | 0.30% | 68,758 |
| Aug 20, 2026 | 3.31 | 3.43 | 3.20 | 3.34 | 3.34 | 2.14% | 55,966 |
| Aug 19, 2026 | 3.35 | 3.43 | 3.27 | 3.27 | 3.27 | -2.10% | 65,651 |
| Aug 18, 2026 | 3.30 | 3.34 | 3.20 | 3.34 | 3.34 | 2.77% | 30,466 |
| Aug 17, 2026 | 3.20 | 3.33 | 3.15 | 3.25 | 3.25 | 2.20% | 44,170 |
| Aug 14, 2026 | 3.15 | 3.29 | 3.11 | 3.18 | 3.18 | 0.32% | 58,844 |
| Aug 13, 2026 | 3.20 | 3.27 | 3.04 | 3.17 | 3.17 | -5.65% | 95,706 |
| Aug 12, 2026 | 3.64 | 3.69 | 3.30 | 3.36 | 3.36 | -8.94% | 159,214 |
| Aug 11, 2026 | 3.69 | 3.85 | 3.61 | 3.69 | 3.69 | - | 98,837 |
| Aug 10, 2026 | 3.30 | 3.82 | 3.30 | 3.69 | 3.69 | 12.50% | 205,186 |
| Aug 7, 2026 | 3.15 | 3.30 | 3.06 | 3.28 | 3.28 | 7.54% | 62,489 |
| Aug 6, 2026 | 3.16 | 3.16 | 3.02 | 3.05 | 3.05 | 0.99% | 47,816 |
| Aug 5, 2026 | 3.23 | 3.25 | 2.96 | 3.02 | 3.02 | -5.33% | 84,560 |
| Aug 4, 2026 | 3.22 | 3.37 | 3.07 | 3.19 | 3.19 | -0.16% | 66,519 |
| Aug 3, 2026 | 3.15 | 3.29 | 3.12 | 3.20 | 3.20 | 2.08% | 46,971 |
| Jul 31, 2026 | 3.33 | 3.33 | 3.06 | 3.13 | 3.13 | -1.57% | 84,703 |
| Jul 30, 2026 | 3.30 | 3.43 | 3.15 | 3.18 | 3.18 | -2.15% | 50,139 |
| Jul 29, 2026 | 3.48 | 3.72 | 3.24 | 3.25 | 3.25 | -5.52% | 61,586 |
| Jul 28, 2026 | 3.51 | 3.53 | 3.40 | 3.44 | 3.44 | -3.64% | 39,871 |
| Jul 27, 2026 | 3.79 | 3.96 | 3.57 | 3.57 | 3.57 | -4.80% | 66,369 |
| Jul 24, 2026 | 3.81 | 3.85 | 3.66 | 3.75 | 3.75 | 0.27% | 78,481 |
| Jul 23, 2026 | 3.90 | 3.95 | 3.68 | 3.74 | 3.74 | -3.86% | 68,682 |
| Jul 22, 2026 | 3.84 | 4.04 | 3.80 | 3.89 | 3.89 | 0.78% | 29,992 |
| Jul 21, 2026 | 3.84 | 3.95 | 3.70 | 3.86 | 3.86 | 0.26% | 51,722 |
| Jul 20, 2026 | 4.07 | 4.11 | 3.80 | 3.85 | 3.85 | -3.75% | 36,753 |
| Jul 17, 2026 | 4.16 | 4.29 | 3.95 | 4.00 | 4.00 | -5.21% | 77,076 |
| Jul 16, 2026 | 4.56 | 4.62 | 4.13 | 4.22 | 4.22 | -8.66% | 88,113 |
| Jul 15, 2026 | 4.78 | 4.80 | 4.50 | 4.62 | 4.62 | -3.75% | 42,854 |
| Jul 14, 2026 | 4.74 | 5.01 | 4.60 | 4.80 | 4.80 | 0.21% | 67,113 |
| Jul 13, 2026 | 4.96 | 5.05 | 4.66 | 4.79 | 4.79 | -3.23% | 49,304 |
| Jul 10, 2026 | 4.96 | 5.00 | 4.68 | 4.95 | 4.95 | 1.02% | 91,744 |