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ICU

SeaStar Medical Holding CorporaPre-market

3.59−0.26 −6.75%USD

NasdaqCM · as of Oct 13, 16:00 ET · 15m delay

Open

3.88

Prev close

3.85

Day range

3.503.89

52-week range

2.077.35

Volume

124.83K1.23×

Mkt cap

18.89M

P/E ttm

—

Fwd P/E

-1.40

EPS ttm

-2.97

Div yield

0.00%

Earnings

—

From 52w high

−51.16%

Price Chart

Yahoo Finance · delayed

ICUOct 13, 2026O 3.88H 3.92L 3.50C 3.59−0.26 (−6.75%)Vol 124.80K

SMA 503.34
SMA 2003.31

1Y change −34.13% since Oct 13, 2025 close539 bars loadedTimes in America/New_YorkDraw from the left toolbar · click a drawing to edit · right-click for alerts and export

ICU SeaStar Medical Holding Corpora · Last Guard Finance

DES

Key Statistics

Yahoo Finance

Performance

1 week: +12.54%
1 month: +18.48%
3 months: −25.21%
6 months: −4.27%
Year to date: +49.58%
1 year: −34.13%

Valuation & ownership

Market cap: 18.89M
Enterprise value: 9.00M
P/E (ttm): —
Forward P/E: -1.40
PEG ratio: —
Price / book: 3.56
Price / sales (ttm): 11.03
EV / EBITDA: —
EPS (ttm): -2.97
EPS (forward): -2.57
Beta (5y monthly): -1.07
Dividend yield: 0.00%
Payout ratio: —
Shares outstanding: 5.26M
Float: 4.37M
Short % of float: 3.28%
Short ratio (days): 3.20
Held by insiders: 11.62%
Held by institutions: 7.62%
Avg volume (3m): 101.58K
50-day average: 3.33
200-day average: 3.31
52-week change: −34.13%
S&P 500 52-week: +17.03%

Technicals (daily)

RSI (14): 50.9
vs 50-day SMA: +7.48%
vs 200-day SMA: +8.42%
50 / 200-day trend: ▲ 50 above 200
MACD vs signal: ▼ below
ATR (14) % of price: 11.36%
Realised vol (20d, ann.): 166.1%
From 52-week high: −51.16%
From 52-week low: +73.43%

ANR

Analyst Consensus

2 analysts

Consensus

—

Mean target

10.00

+178.55% implied

Low 8.00Median 10.00High 12.00

Recommendation trend

Now1 / 0 / 0

Buy / hold / sell counts

Financial Snapshot

Full statements →

DES

About SeaStar Medical Holding Corpora

Yahoo Finance profile

SeaStar Medical Holding Corporation, a commercial-stage healthcare company, develops a proprietary platform therapy to reduce the consequences of hyperinflammation on vital organs in the United States. The company offers the selective cytopheretic device (SCD), which is a disease-modifying device that neutralizes over-active immune cells and stops the cytokine storm that yields destructive hyperinflammation; and QUELIMMUNE, an SCD therapy for pediatric patients with acute kidney injury (AKI) due to sepsis. It also develops NEUTRALIZE-AKI, an SCD therapy that is in clinical trials for adult patients with AKI; and other products in various therapeutic areas, including cardiorenal syndrome, hepatorenal syndrome, and myocardial stunning in end-stage renal disease. SeaStar Medical Holding Corporation was founded in 2007 and is headquartered in Denver, Colorado.

Sector: Healthcare
Industry: Biotechnology
Employees: 18
Headquarters: Denver, CO, United States
Website: seastarmedical.com
Officers: Mr. Eric Schlorff CEO, Treasurer, President & Executive Director
Mr. Michael Messinger CPA Chief Financial Officer
Colonel Kevin Chung FACP, M.D. Chief Medical Officer
Dr. H. David Humes M.D.

SEAS

Seasonality · ICU

2021–2026 · monthly returns

Strongest month Oct +37.81%Weakest month Nov −32.35%Averages use completed years only. Past seasonality doesn't predict future returns.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	-0.8	16.0	34.8	11.3	-10.4	-1.1	-14.7	0.0	25.9	-8.9			+49.6%
2025	15.5	-22.8	-4.0	-22.3	-7.8	-64.2	43.0	50.4	-37.8	0.0	-44.4	-24.3	−87.6%
2024	81.0	-8.5	0.0	-34.6	-22.7	-18.2	15.9	-44.0	-13.6	-27.2	-19.4	-22.4	−82.5%
2023	-2.8	-25.5	-37.4	15.6	-75.8	0.0	0.2	-49.7	0.8	211.0	-38.0	-13.0	−89.2%
2022	-0.3	0.7	0.4	0.3	-0.1	0.2	0.6	0.0	0.6	5.8	-60.8	-3.8	−59.2%
2021				1.3	-0.6	0.3	-0.8	0.9	1.2	-0.5	0.9	-0.3	+2.3%

INSD

Insider Activity · ICU

Market-wide insider buying →Congress trades →SEC Form 4 filings via Yahoo Finance

Buys, 6 months

0 shares

Sells, 6 months

— shares

Net shares

Net change in insider shares

—

Date	Insider	Transaction	Shares	Value
Aug 17, 2026	Messinger MichaelChief Financial Officer	Purchase at price 3.27 per share.	750	$2.45K
Jun 30, 2026	Van Heel Kenneth J.Director	Stock Award(Grant) at price 0.00 per share.	4K	—
Jun 30, 2026	Schlorff EricChief Executive Officer	Stock Award(Grant) at price 0.00 per share.	10.3K	—
Jun 30, 2026	Chung KevinOfficer	Stock Award(Grant) at price 0.00 per share.	7.2K	—
Jun 30, 2026	Neuman JohnDirector	Stock Award(Grant) at price 0.00 per share.	4K	—
Jun 30, 2026	Baird Jennifer ADirector	Stock Award(Grant) at price 0.00 per share.	4K	—
Jun 30, 2026	Vincent Bernadette NDirector	Stock Award(Grant) at price 0.00 per share.	4K	—
Feb 5, 2026	Van Heel Kenneth J.Director	Stock Award(Grant) at price 0.00 per share.	3K	—
Feb 5, 2026	Towne Bradford KOfficer	Stock Award(Grant) at price 0.00 per share.	7.5K	—
Feb 5, 2026	Schlorff EricChief Executive Officer	Stock Award(Grant) at price 0.00 per share.	30K	—
Feb 5, 2026	Chung KevinOfficer	Stock Award(Grant) at price 0.00 per share.	15K	—
Feb 5, 2026	Neuman JohnDirector	Stock Award(Grant) at price 0.00 per share.	3K	—
Feb 5, 2026	Baird Jennifer ADirector	Stock Award(Grant) at price 0.00 per share.	3K	—
Feb 5, 2026	Vincent Bernadette NDirector	Stock Award(Grant) at price 0.00 per share.	3K	—
Dec 18, 2025	Baird Jennifer ADirector	Purchase at price 0.24 per share.	4.2K	$987
Dec 8, 2025	Messinger MichaelChief Financial Officer	Purchase at price 0.35 per share.	14.5K	$5.10K
Aug 26, 2025	Van Heel Kenneth J.Director	Purchase at price 0.86 - 0.89 per share.	35K	$30.81K
Aug 21, 2025	Chung KevinOfficer	Purchase at price 0.80 per share.	10K	$8.00K
Jul 9, 2025	Van Heel Kenneth J.Director	—	4K	—
Jul 9, 2025	Neuman JohnDirector	—	4K	—

ICU

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Price Chart

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

Financial Snapshot

About SeaStar Medical Holding Corpora

Seasonality · ICU

Insider Activity · ICU

Congress Trades · ICU

Investors Holding ICU

Investors Holding ICU

Congress Trades · ICU

Seasonality · ICU

Insider Activity · ICU

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

Financial Snapshot

About SeaStar Medical Holding Corpora

Earnings & Dividends

News