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Equity · Healthcare

ICU

NASDAQ

SeaStar Medical Holding (ICU)

0.8241 USD −21.89% vs prior close Nov 13, 2026
SeaStar Medical Holding Corporation price graph
64 sessions
6 0 17 Aug 13 Nov

The line runs 3.26 USD on 17 August through 0.8241 USD on 13 November, on a scale from 0 to 6. Days the market did not trade hold the previous close, flat.

Track this symbol on TradingView
Market cap
4.4M USD
Revenue, year to Dec 2025
1.2M USD
EPS, diluted, year to Dec 2025
−5.86 USD
Avg volume
8.7K
Mentions, 30 days
19
Net sentiment
−0.01

as of Nov 13, 2026

Have SeaStar Medical Holding (ICU) insiders bought or sold shares recently?

In the 90 days to 15 Nov 2026, SeaStar Medical Holding insiders reported 1 open-market purchase and no sales (SEC Form 4).

Form 4, 90 days to 15 Nov 2026, newest reported trade 18 Aug 2026

1buys
0sells
$2Knet bought
0other filings
Have SeaStar Medical Holding (ICU) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
18 Aug 2026Messinger MichaelChief Financial OfficerBuy7502K USD

Which funds hold SeaStar Medical Holding (ICU)?

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.

Form 13F

Which funds hold SeaStar Medical Holding (ICU)?
FundPositionSharesValueShares q/q
Millennium ManagementExited

What has been filed or recorded for SeaStar Medical Holding (ICU)?

The filings we hold for SeaStar Medical Holding, newest first: 7 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 09 Oct 2026. No next earnings date is announced in SEC filings yet.

What has been filed or recorded for SeaStar Medical Holding (ICU)?
And
09 Oct 2026Fails to deliverShares failed to deliver44,694 shares156K USD notional · 1.014% of shares out
08 Oct 2026Fails to deliverShares failed to deliver151,970 shares565K USD notional · 3.449% of shares out
07 Oct 2026Fails to deliverShares failed to deliver30,068 shares96K USD notional · 0.682% of shares out
06 Oct 2026Fails to deliverShares failed to deliver140,500 shares499K USD notional · 3.188% of shares out
05 Oct 2026Fails to deliverShares failed to deliver360 shares2K USD notional · 0.008% of shares out
02 Oct 2026Fails to deliverShares failed to deliver1,379 shares5K USD notional · 0.031% of shares out
01 Oct 2026Fails to deliverShares failed to deliver247 shares973 USD notional · 0.006% of shares out
30 Sep 2026Quarterly earningsQ3 2026 reportedRevenue $1M
30 Sep 2026FinancialsTotal assets5.3M USDat period end
30 Sep 2026FinancialsTotal equity469K USDat period end
30 Jun 2026Quarterly earningsQ2 2026 reportedRevenue $1M
31 Mar 2026Quarterly earningsQ1 2026 reportedRevenue $0M
31 Dec 2025Annual reportFY 2025 reportedRevenue $1M
31 Dec 2025FinancialsRevenue1.2M USDfiscal year
31 Dec 2025FinancialsNet income−12.2M USDfiscal year
31 Dec 2025FinancialsEarnings per share basic−5.86 USDfiscal year
30 Sep 2025Quarterly earningsQ3 2025 reportedRevenue $0M
30 Jun 2025Quarterly earningsQ2 2025 reportedEPS −0.18 USDRevenue $0M
31 Mar 2025Quarterly earningsQ1 2025 reportedEPS −0.44 USDRevenue $0M
31 Dec 2024Annual reportFY 2024 reportedEPS −6.63 USDRevenue $0M

What is Reddit saying about SeaStar Medical Holding (ICU)?

Reddit mentioned ICU 19 times in the 30 days to 14 November 2026, across 3 of the communities we track. All of them were scored for sentiment: 32% read bullish, 32% bearish and 36% neither. Reddit data updated 14 November 2026.

30-day window, Method

19mentions, 30 days
32%bullish
32%bearish
3communities
−21pointsagainst the market

How do Reddit mentions of SeaStar Medical Holding (ICU) compare with its price?

Share ↗
Post on X Share on Reddit Share on LinkedIn
19 mentions

Which subreddits are talking about SeaStar Medical Holding (ICU)?

30 days

Which subreddits are talking about SeaStar Medical Holding (ICU)?
CommunityShareMentionsNet sentiment
r/ausfinance79%15+0.00
r/stocks11%2+0.03
r/wallstreetbets11%2−0.12

Which names move with SeaStar Medical Holding (ICU) on Reddit?

6 names, 30 days

PMI moved most closely with SeaStar Medical Holding (ICU): when the crowd talked about one, it talked about the other (+0.83 over 31 days). Co-discussion, not price.

How closely ICU's daily Reddit mentions moved with each name, 30 days
ICU
+0.83+0.82+0.78+0.78+0.75+0.74
View the matrix as a tableHide the table
Names that move with ICU on Reddit, 30 days
PairMatchDays measured
ICU and PMI+0.8331 days
ICU and AXP+0.8231 days
ICU and BE+0.7831 days
ICU and AMT+0.7831 days
ICU and IVF+0.7531 days
ICU and BALI+0.7431 days

What do people ask about SeaStar Medical Holding (ICU)?

From live data
What did SeaStar Medical Holding shares close at?0.8241

SeaStar Medical Holding closed at 0.8241 USD on 13 Nov 2026, down 21.89% on the close before. That is the end-of-day price from Finazon, not a live quote.

What is SeaStar Medical Holding’s market cap?4.4M

SeaStar Medical Holding is worth 4.4M USD by market value as of 13 Nov 2026, which is the share price times the shares on issue from its SEC filings.

What is SeaStar Medical Holding’s revenue?1.2M

SeaStar Medical Holding reported revenue of 1.2M USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings

Have SeaStar Medical Holding insiders bought or sold shares recently?1 purchase

In the 90 days to 15 Nov 2026, SeaStar Medical Holding insiders reported 1 open-market purchase and no sales (SEC Form 4). See Insiders

Which funds own SeaStar Medical Holding?0 of 45

0 of the 45 funds we track reported a SeaStar Medical Holding position for the quarter ended 31 Dec 2025, per their SEC Form 13F filings. The largest reported position was Millennium Management. See Funds

When did SeaStar Medical Holding last report earnings?

SeaStar Medical Holding last reported earnings on 30 Sep 2026 for Q3 2026; no next date is announced in SEC filings yet. See Filings

What is Reddit saying about SeaStar Medical Holding?2 mentions

SeaStar Medical Holding was mentioned 2 times in the last 7 days across the finance subreddits we track, and 19 times over the trailing 30 days. Of the 19 mentions scored for sentiment, 32% read bullish and 32% bearish. That is a social signal, not investment advice. See Reddit

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.

References
  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 EDGARForm 4 filings (insider transactions)
  5. SEC EDGAR13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARXBRL company facts, latest period ended 30 Sep 2026
  8. SEC EDGARreported earnings figures and scheduled report dates
  9. SEC EDGARValuation computed from SEC EDGAR filings