Live tape
Top 8, mentions 7d13,852TSLA3,216 mentions▲ +0.05SPCX2,646 mentions▲ +0.08GOOGL1,857 mentions▲ +0.03META1,819 mentions▲ +0.05QQQ1,141 mentions▲ +0.05NVDA1,087 mentions▲ +0.07CRWV1,048 mentions▲ +0.04NFLX1,038 mentions▲ +0.03

Equity · Healthcare

ICU

NASDAQ

SeaStar Medical Holding (ICU)

$3.17 +4.62% vs prior close Finazon · prior-day close, indicative (IEX-derived, not the official close) · Oct 21, 2026

Reddit mentioned ICU 10 times in the 30 days to 22 October 2026, across 3 of the communities we track. All of them were scored for sentiment: 20% read bullish, 20% bearish and 60% neither. Reddit data updated 22 October 2026.

Price · Chart
63 sessions
$5 $2 24 Jul 21 Oct

The line runs $3.75 on 24 July through $3.17 on 21 October, on a scale from $2 to $5. Days the market did not trade hold the previous close, flat.

Market cap $14.0M
52-week range $2.13 – $6.43
Avg volume 4.9K
Mentions · 30d 10
Net sentiment −0.01

as of Oct 21, 2026

SeaStar Medical Holding (ICU) · crowd attention × price

Share ↗
10 mentions

Day21 Oct 2026

MENTIONS10–4 / day
PRICE$3.17$2–$5
ICU over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.per day01234usd$2$3$4$523 Sep30 Sep8 Oct15 Oct22 Oct
ICU over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.23 Sep8 Oct22 Oct
The Distributed Sentinel 22 Oct 2026

ICU drew 10 Reddit mentions over the 30 days to 22 October 2026

This chart in words

The chart plots daily Reddit mentions of ICU over the 30 days to 22 October 2026: 10 in total, busiest on 22 October with 3, and 3 on the last day counted. The line is the daily close over the same window: $3.53 on 23 September, $3.17 on 21 October. Of those days, 21 were trading sessions and the other 9 are hatched on the chart. On 8 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.

SeaStar Medical Holding (ICU) on Reddit · 30d

n = 10 scored · Method

In the 30 days to 23 Oct 2026, SeaStar Medical Holding drew 10 Reddit mentions in the finance subreddits we track, 10 of them scored for sentiment.

ICU

20% bullish

Overall market sentiment

54% bullish

ICU reads 34 points less bullish than overall market sentiment. Same measure; same 30-day window.

Where ICU is discussed

(30d)
r/ausfinance 80% 8 +0.03
r/stocks 10% 1 +0.03
r/wallstreetbets 10% 1 −0.31

SeaStar Medical Holding (ICU) insider trades

SEC Form 4 · last 90 days · newest reported trade 18 Aug 2026

In the 90 days to 23 Oct 2026, SeaStar Medical Holding insiders reported 1 open-market purchase and no sales (SEC Form 4).

Open-market buys 1
Open-market sells 0
Net bought $2K
Non-trade filings 0
Date Insider Type Shares Value
18 Aug 2026 Messinger Michael Chief Financial Officer Buy 750 $2K

SeaStar Medical Holding (ICU) reported financials

SEC EDGAR XBRL SEC EDGAR

SeaStar Medical Holding reported revenue of $1.2M for the fiscal year ended 31 Dec 2025. Net income over the same period was −$12.2M.

Figure Reported Period
Revenue $1.2M 31 Dec 2025 fiscal year
Net income −$12.2M 31 Dec 2025 fiscal year
Earnings per share basic −$5.86 31 Dec 2025 fiscal year
Total assets $8.6M 30 Jun 2026 at period end
Total equity $4.3M 30 Jun 2026 at period end

SeaStar Medical Holding (ICU) earnings

SEC EDGAR

SeaStar Medical Holding last reported earnings on 30 Jun 2026 for Q2 2026; no next date is announced in SEC filings yet.

Date Period EPS Revenue
30 Jun 2026 Q2 2026 — $1M
31 Mar 2026 Q1 2026 — $0M
31 Dec 2025 FY 2025 — $1M
30 Sep 2025 Q3 2025 — $0M
30 Jun 2025 Q2 2025 −$0.18 $0M
31 Mar 2025 Q1 2025 −$0.44 $0M
31 Dec 2024 FY 2024 −$6.63 $0M
30 Sep 2024 Q3 2024 −$1.10 $0M

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

SeaStar Medical Holding (ICU) institutional holders (13F)

SEC Form 13F SEC EDGAR

0 of the 45 institutional funds we track reported a SeaStar Medical Holding position for the quarter ended 31 Dec 2025; the latest of those filings landed 17 Feb 2026.

Fund Action Shares Value

SeaStar Medical Holding (ICU) fails-to-deliver

SEC CNS data SEC

On 18 Sep 2026, 1,786 shares of SeaStar Medical Holding failed to deliver (about $6K).

Settlement date Shares failed Notional % of shares out
18 Sep 2026 1,786 $6K 0.041%
08 Sep 2026 443 $1K 0.010%

SeaStar Medical Holding (ICU): frequently asked questions

From live data

Have SeaStar Medical Holding insiders bought or sold shares recently?

In the 90 days to 23 Oct 2026, SeaStar Medical Holding insiders reported 1 open-market purchase and no sales (SEC Form 4).

How many institutions hold SeaStar Medical Holding?

0 of the 45 institutional funds we track reported a SeaStar Medical Holding position for the quarter ended 31 Dec 2025, per SEC Form 13F filings.

Has SeaStar Medical Holding had fails-to-deliver recently?

Yes. The most recent SEC fails-to-deliver record for SeaStar Medical Holding is dated 18 Sep 2026, when 1,786 shares failed to deliver.

When did SeaStar Medical Holding last report earnings?

SeaStar Medical Holding last reported earnings on 30 Jun 2026 for Q2 2026; no next date is announced in SEC filings yet.

What exchange is SeaStar Medical Holding listed on?

SeaStar Medical Holding trades on NASDAQ under the ticker ICU.

What is Reddit saying about SeaStar Medical Holding?

SeaStar Medical Holding was mentioned 5 times in the last 7 days across the finance subreddits we track, and 10 times over the trailing 30 days. Of 10 classified mentions, 20% read bullish, 20% bearish and 60% neutral. Crowd sentiment is a social signal, not investment advice.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

Sources

  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARSEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
  5. SEC EDGARSEC EDGAR 13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARValuation computed from SEC EDGAR filings