SeaStar Medical Holding Corp (ICUCW) stock
ICUCWNasdaqSurgical & Medical Instruments & ApparatusFiscal year ends December 31Also trades as ICU
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 12, 2026Score 3/309% above fair value
$0.01−0.01 (-34.73%)
Close on Oct 30, 2026Market cap $9.87MP/E –Yield –
Price history
SeaStar Medical share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$0.0109
-34.73% on the day
52-week range
$0.0084 – $0.075
-85.5% from the high
Change over 52 weeks
-71.3%
From $0.038 on Oct 30, 2025
Average volume
20,066
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $0.0163 | $0.0249 | $0.0109 | $0.0109 | -33.13% | 645,583 |
| Sep 2026 | $0.0151 | $0.0169 | $0.0137 | $0.0163 | -3.55% | 217,269 |
| Aug 2026 | $0.0193 | $0.025 | $0.0136 | $0.0169 | -12.44% | 264,757 |
| Jul 2026 | $0.0172 | $0.0345 | $0.0166 | $0.0193 | +11.56% | 630,833 |
| Jun 2026 | $0.0185 | $0.03 | $0.0134 | $0.0173 | +9.49% | 3,623,987 |
| May 2026 | $0.02 | $0.02 | $0.011 | $0.0158 | -21.00% | 1,129,032 |
| Apr 2026 | $0.0249 | $0.075 | $0.0184 | $0.02 | -30.56% | 1,454,513 |
| Mar 2026 | $0.0298 | $0.0301 | $0.0209 | $0.0288 | -3.68% | 515,032 |
| Feb 2026 | $0.025 | $0.0346 | $0.0181 | $0.0299 | +20.08% | 290,916 |
| Jan 2026 | $0.0103 | $0.0452 | $0.0102 | $0.0249 | +120.35% | 3,411,802 |
| Dec 2025 | $0.013 | $0.0146 | $0.0086 | $0.0113 | -8.13% | 1,192,531 |
| Nov 2025 | $0.0394 | $0.0395 | $0.0084 | $0.0123 | -68.78% | 2,306,494 |
| Oct 2025 | $0.0317 | $0.0438 | $0.0241 | $0.0394 | +45.39% | 653,114 |
| Sep 2025 | $0.05 | $0.0549 | $0.0231 | $0.0271 | -41.21% | 1,886,010 |
| Aug 2025 | $0.0288 | $0.05 | $0.028 | $0.0461 | +59.52% | 1,823,361 |
| Jul 2025 | $0.0218 | $0.05 | $0.0166 | $0.0289 | +45.23% | 2,357,278 |
| Jun 2025 | $0.0281 | $0.0345 | $0.014 | $0.0199 | -29.18% | 2,058,909 |
| May 2025 | $0.0333 | $0.036 | $0.02 | $0.0281 | -6.02% | 722,826 |
| Apr 2025 | $0.0351 | $0.05 | $0.0287 | $0.0299 | -14.81% | 846,173 |
| Mar 2025 | $0.0329 | $0.05 | $0.0285 | $0.0351 | +6.69% | 910,905 |
| Feb 2025 | $0.0424 | $0.0479 | $0.0287 | $0.0329 | -23.31% | 956,349 |
| Jan 2025 | $0.0286 | $0.0431 | $0.0213 | $0.0429 | +108.25% | 822,886 |
| Dec 2024 | $0.0306 | $0.043 | $0.02 | $0.0206 | -33.33% | 1,379,802 |
| Nov 2024 | $0.0322 | $0.041 | $0.0206 | $0.0309 | -0.32% | 921,830 |
| Oct 2024 | $0.0475 | $0.049 | $0.0251 | $0.031 | -28.41% | 539,894 |
| Sep 2024 | $0.0458 | $0.063 | $0.039 | $0.0433 | -6.28% | 666,727 |
| Aug 2024 | $0.0881 | $0.1075 | $0.0303 | $0.0462 | -46.90% | 1,697,083 |
| Jul 2024 | $0.055 | $0.11 | $0.0424 | $0.087 | +61.11% | 2,879,279 |
| Jun 2024 | $0.0755 | $0.1123 | $0.011 | $0.054 | -32.50% | 5,768,852 |
| May 2024 | $0.10 | $0.10 | $0.071 | $0.08 | -13.14% | 624,667 |
| Apr 2024 | $0.1399 | $0.1563 | $0.0801 | $0.0921 | -36.92% | 1,476,575 |
| Mar 2024 | $0.15 | $0.207 | $0.101 | $0.146 | +10.86% | 3,773,340 |
| Feb 2024 | $0.0851 | $0.43 | $0.0706 | $0.1317 | +56.79% | 7,639,061 |
| Jan 2024 | $0.0304 | $0.09 | $0.025 | $0.084 | +176.32% | 2,029,711 |
| Dec 2023 | $0.0317 | $0.0449 | $0.0252 | $0.0304 | -10.59% | 1,359,408 |
| Nov 2023 | $0.0405 | $0.055 | $0.025 | $0.034 | -23.42% | 2,065,073 |
| Oct 2023 | $0.0303 | $0.0768 | $0.015 | $0.0444 | +214.89% | 7,639,584 |
| Sep 2023 | $0.0162 | $0.0432 | $0.0077 | $0.0141 | -12.42% | 4,291,810 |
| Aug 2023 | $0.0387 | $0.04 | $0.006 | $0.0161 | -59.75% | 875,713 |
| Jul 2023 | $0.036 | $0.04 | $0.0208 | $0.04 | +9.59% | 136,866 |
| Jun 2023 | $0.033 | $0.04 | $0.0272 | $0.0365 | +10.61% | 788,315 |
| May 2023 | $0.075 | $0.075 | $0.0271 | $0.033 | -56.00% | 1,359,907 |
| Apr 2023 | $0.0848 | $0.09 | $0.0511 | $0.075 | -11.56% | 892,778 |
| Mar 2023 | $0.11 | $0.125 | $0.0671 | $0.0848 | -29.33% | 1,371,920 |
| Feb 2023 | $0.11 | $0.235 | $0.0901 | $0.12 | +4.35% | 3,149,146 |
| Jan 2023 | $0.105 | $0.1725 | $0.085 | $0.115 | +27.78% | 1,620,397 |
| Dec 2022 | $0.10 | $0.14 | $0.063 | $0.09 | -19.64% | 1,065,609 |
| Nov 2022 | $0.102 | $0.1757 | $0.0768 | $0.112 | +1.82% | 1,937,695 |
| Oct 2022 | $0.086 | $0.20 | $0.0502 | $0.11 | +56.70% | 2,852,561 |
| Sep 2022 | $0.0502 | $0.14 | $0.0502 | $0.0702 | +0.29% | 509,514 |
| Aug 2022 | $0.0801 | $0.09 | $0.06 | $0.07 | -12.72% | 238,773 |
| Jul 2022 | $0.1125 | $0.1125 | $0.08 | $0.0802 | -28.71% | 44,205 |
| Jun 2022 | $0.1206 | $0.19 | $0.0902 | $0.1125 | -16.97% | 87,944 |
| May 2022 | $0.1315 | $0.198 | $0.1105 | $0.1355 | -3.21% | 180,833 |
| Apr 2022 | $0.2069 | $0.2469 | $0.1303 | $0.14 | -32.33% | 349,386 |
| Mar 2022 | $0.2099 | $0.21 | $0.16 | $0.2069 | +3.45% | 162,657 |
| Feb 2022 | $0.2947 | $0.3359 | $0.1825 | $0.20 | -34.49% | 159,946 |
| Jan 2022 | $0.4299 | $0.49 | $0.27 | $0.3053 | -28.98% | 286,829 |
| Dec 2021 | $0.535 | $0.535 | $0.4299 | $0.4299 | -18.89% | 192,664 |
| Nov 2021 | $0.54 | $0.61 | $0.45 | $0.53 | +2.51% | 488,728 |
| Oct 2021 | $0.46 | $0.67 | $0.34 | $0.517 | +12.44% | 1,072,009 |
| Sep 2021 | $0.38 | $0.50 | $0.38 | $0.4598 | +9.48% | 386,983 |
| Aug 2021 | $0.539 | $0.5538 | $0.35 | $0.42 | -22.22% | 1,079,203 |
| Jul 2021 | $0.4999 | $0.60 | $0.49 | $0.54 | +8.00% | 1,042,674 |
| Jun 2021 | $0.40 | $0.70 | $0.3811 | $0.50 | +27.36% | 913,532 |
| May 2021 | $0.4397 | $0.4397 | $0.35 | $0.3926 | -6.52% | 792,576 |
| Apr 2021 | $0.39 | $0.47 | $0.35 | $0.42 | +7.75% | 2,004,139 |
| Mar 2021 | $0.55 | $0.55 | $0.3299 | $0.3898 | – | 4,607,874 |
Seasonality
ICUCW return in each calendar month over the last 6 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 80.7% | 4.7% | -2.4% | -19.7% | -17.6% | -5.2% | 17.8% | -15.8% | -9.0% | 44.6% | -17.6% | -18.1% |
| Months up | 4 of 5 | 3 of 5 | 3 of 5 | 1 of 6 | 0 of 6 | 3 of 6 | 5 of 6 | 1 of 6 | 2 of 6 | 4 of 6 | 2 of 5 | 0 of 5 |
| 2026 | 120.4% | 20.1% | -3.7% | -30.6% | -21.0% | 9.5% | 11.6% | -12.4% | -3.6% | -33.1% | ||
| 2025 | 108.3% | -23.3% | 6.7% | -14.8% | -6.0% | -29.2% | 45.2% | 59.5% | -41.2% | 45.4% | -68.8% | -8.1% |
| 2024 | 176.3% | 56.8% | 10.9% | -36.9% | -13.1% | -32.5% | 61.1% | -46.9% | -6.3% | -28.4% | -0.3% | -33.3% |
| 2023 | 27.8% | 4.3% | -29.3% | -11.6% | -56.0% | 10.6% | 9.6% | -59.8% | -12.4% | 214.9% | -23.4% | -10.6% |
| 2022 | -29.0% | -34.5% | 3.4% | -32.3% | -3.2% | -17.0% | -28.7% | -12.7% | 0.3% | 56.7% | 1.8% | -19.6% |
| 2021 | 7.7% | -6.5% | 27.4% | 8.0% | -22.2% | 9.5% | 12.4% | 2.5% | -18.9% |