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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 week, newest first. Adjusted for stock splits, not for dividends.

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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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$0.0155$0.0169$0.0109$0.0109-30.13%363,992
Oct 19, 2026$0.02$0.0249$0.0156$0.0156-22.00%6,562
Oct 12, 2026$0.0176$0.0202$0.0154$0.02+31.58%48,988
Oct 5, 2026$0.0152$0.0162$0.0151$0.0152-20.00%129,567
Sep 28, 2026$0.0154$0.023$0.0154$0.019+23.38%112,375
Sep 21, 2026$0.0164$0.0164$0.0154$0.0154-6.10%1,259
Sep 14, 2026$0.0159$0.0164$0.0155$0.0164+3.14%98,957
Sep 8, 2026$0.0158$0.0163$0.014$0.0159-1.85%28,746
Aug 31, 2026$0.0152$0.0169$0.0137$0.0162-7.95%74,843
Aug 24, 2026$0.0174$0.0198$0.0136$0.0176-10.20%137,299
Aug 17, 2026$0.0197$0.0247$0.0175$0.0196-2.97%43,318
Aug 10, 2026$0.0197$0.025$0.019$0.0202+2.02%23,930
Aug 3, 2026$0.0193$0.0203$0.0168$0.0198+2.59%57,773
Jul 27, 2026$0.0246$0.0246$0.019$0.0193-21.54%15,028
Jul 20, 2026$0.0257$0.0257$0.0188$0.0246-4.65%30,964
Jul 13, 2026$0.0184$0.0259$0.0184$0.0258-11.03%6,071
Jul 6, 2026$0.0197$0.0302$0.0172$0.029+51.83%232,821
Jun 29, 2026$0.0179$0.0345$0.015$0.0191+16.46%362,395
Jun 22, 2026$0.0164$0.02$0.0149$0.0164+1.23%128,853
Jun 15, 2026$0.0136$0.0184$0.0136$0.0162-12.43%58,041
Jun 8, 2026$0.0163$0.02$0.0134$0.0185-14.35%442,693
Jun 1, 2026$0.0185$0.03$0.0161$0.0216+36.71%2,977,954
May 26, 2026$0.0185$0.0188$0.0158$0.0158-14.13%12,139
May 18, 2026$0.02$0.02$0.0156$0.0184-7.54%76,072
May 11, 2026$0.0175$0.02$0.0155$0.0199+13.71%297,117
May 4, 2026$0.02$0.02$0.011$0.0175-12.50%701,346
Apr 27, 2026$0.0199$0.02$0.0184$0.02+0.50%247,566
Apr 20, 2026$0.0229$0.0255$0.0191$0.0199-25.75%451,015
Apr 13, 2026$0.028$0.0308$0.026$0.0268-5.63%130,134
Apr 6, 2026$0.033$0.033$0.0202$0.0284-8.39%206,184
Mar 30, 2026$0.0278$0.075$0.023$0.031+10.71%493,774
Mar 23, 2026$0.0261$0.029$0.0227$0.028+7.28%263,793
Mar 16, 2026$0.0298$0.0298$0.021$0.0261-12.42%12,412
Mar 9, 2026$0.0226$0.03$0.021$0.0298+8.36%100,384
Mar 2, 2026$0.0298$0.0301$0.0209$0.0275-8.03%106,641
Feb 23, 2026$0.0243$0.0346$0.0181$0.02990.00%79,802
Feb 17, 2026$0.026$0.032$0.0239$0.0299+18.18%124,685
Feb 9, 2026$0.0246$0.0259$0.0229$0.0253+2.85%13,981
Feb 2, 2026$0.025$0.025$0.0225$0.0246-1.20%72,448
Jan 26, 2026$0.0248$0.027$0.0225$0.0249+9.69%60,388
Jan 20, 2026$0.0236$0.0273$0.0225$0.0227-3.81%216,327
Jan 12, 2026$0.0131$0.0249$0.0113$0.0236+85.83%637,642
Jan 5, 2026$0.0109$0.0452$0.0109$0.0127+19.81%2,427,759
Dec 29, 2025$0.0113$0.0115$0.0102$0.0106-6.19%109,520
Dec 22, 2025$0.0105$0.0115$0.0086$0.0113+1.80%194,378
Dec 15, 2025$0.0127$0.0136$0.0103$0.0111-13.28%177,190
Dec 8, 2025$0.0141$0.0141$0.0105$0.0128-10.49%236,754
Dec 1, 2025$0.013$0.0146$0.0101$0.0143+16.26%544,375
Nov 24, 2025$0.0104$0.0139$0.0085$0.0123+25.51%248,483
Nov 17, 2025$0.0248$0.0248$0.0084$0.0098-47.59%1,508,620
Nov 10, 2025$0.0259$0.0284$0.015$0.0187-27.80%233,040
Nov 3, 2025$0.0394$0.0395$0.018$0.0259-34.26%316,351

Seasonality

ICUCW return in each calendar month over the last 6 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average80.7%4.7%-2.4%-19.7%-17.6%-5.2%17.8%-15.8%-9.0%44.6%-17.6%-18.1%
Months up4 of 53 of 53 of 51 of 60 of 63 of 65 of 61 of 62 of 64 of 62 of 50 of 5
2026120.4%20.1%-3.7%-30.6%-21.0%9.5%11.6%-12.4%-3.6%-33.1%
2025108.3%-23.3%6.7%-14.8%-6.0%-29.2%45.2%59.5%-41.2%45.4%-68.8%-8.1%
2024176.3%56.8%10.9%-36.9%-13.1%-32.5%61.1%-46.9%-6.3%-28.4%-0.3%-33.3%
202327.8%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%
20217.7%-6.5%27.4%8.0%-22.2%9.5%12.4%2.5%-18.9%