Stocks · Health care · Surgical & Medical Instruments & Apparatus

SeaStar Medical Holding Corp

ICU Clue Score61
United States Fiscal year ends December CIK 0001831868
3.61
+3.44%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
3.61 on 9 Oct 2026
5 3 0 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $0.55 14 Oct 2025 $0.57 15 Oct 2025 $0.64 16 Oct 2025 $0.63 17 Oct 2025 $0.61 20 Oct 2025 $0.63 21 Oct 2025 $0.63 22 Oct 2025 $0.62 23 Oct 2025 $0.63 24 Oct 2025 $0.61 27 Oct 2025 $0.59 28 Oct 2025 $0.57 29 Oct 2025 $0.57 30 Oct 2025 $0.56 31 Oct 2025 $0.57 3 Nov 2025 $0.56 4 Nov 2025 $0.52 5 Nov 2025 $0.51 6 Nov 2025 $0.46 7 Nov 2025 $0.49 10 Nov 2025 $0.48 11 Nov 2025 $0.49 12 Nov 2025 $0.50 13 Nov 2025 $0.46 14 Nov 2025 $0.38 17 Nov 2025 $0.30 18 Nov 2025 $0.34 19 Nov 2025 $0.31 20 Nov 2025 $0.31 21 Nov 2025 $0.31 24 Nov 2025 $0.31 25 Nov 2025 $0.32 26 Nov 2025 $0.30 28 Nov 2025 $0.32 1 Dec 2025 $0.31 2 Dec 2025 $0.34 3 Dec 2025 $0.34 4 Dec 2025 $0.36 5 Dec 2025 $0.36 8 Dec 2025 $0.34 9 Dec 2025 $0.36 10 Dec 2025 $0.34 11 Dec 2025 $0.34 12 Dec 2025 $0.32 15 Dec 2025 $0.31 16 Dec 2025 $0.31 17 Dec 2025 $0.29 18 Dec 2025 $0.29 19 Dec 2025 $0.24 22 Dec 2025 $0.26 23 Dec 2025 $0.24 24 Dec 2025 $0.24 26 Dec 2025 $0.26 29 Dec 2025 $0.23 30 Dec 2025 $0.23 31 Dec 2025 $0.24 2 Jan 2026 $0.26 5 Jan 2026 $2.59 6 Jan 2026 $2.58 7 Jan 2026 $2.46 8 Jan 2026 $2.41 9 Jan 2026 $2.26 12 Jan 2026 $2.30 13 Jan 2026 $2.87 14 Jan 2026 $2.79 15 Jan 2026 $2.57 16 Jan 2026 $2.53 20 Jan 2026 $2.28 21 Jan 2026 $2.27 22 Jan 2026 $2.59 23 Jan 2026 $2.58 26 Jan 2026 $2.48 27 Jan 2026 $2.47 28 Jan 2026 $2.39 29 Jan 2026 $2.34 30 Jan 2026 $2.38 2 Feb 2026 $2.52 3 Feb 2026 $2.45 4 Feb 2026 $2.57 5 Feb 2026 $2.41 6 Feb 2026 $2.48 9 Feb 2026 $2.43 10 Feb 2026 $2.36 11 Feb 2026 $2.34 12 Feb 2026 $2.31 13 Feb 2026 $2.40 17 Feb 2026 $2.42 18 Feb 2026 $2.45 19 Feb 2026 $2.41 20 Feb 2026 $2.44 23 Feb 2026 $2.38 24 Feb 2026 $2.38 25 Feb 2026 $2.47 26 Feb 2026 $2.74 27 Feb 2026 $2.76 2 Mar 2026 $2.71 3 Mar 2026 $2.56 4 Mar 2026 $2.51 5 Mar 2026 $2.58 6 Mar 2026 $2.52 9 Mar 2026 $2.64 10 Mar 2026 $2.69 11 Mar 2026 $2.77 12 Mar 2026 $2.64 13 Mar 2026 $2.56 16 Mar 2026 $2.40 17 Mar 2026 $2.48 18 Mar 2026 $2.35 19 Mar 2026 $2.27 20 Mar 2026 $2.23 23 Mar 2026 $2.21 24 Mar 2026 $2.24 25 Mar 2026 $2.28 26 Mar 2026 $2.79 27 Mar 2026 $2.74 30 Mar 2026 $3.62 31 Mar 2026 $3.72 1 Apr 2026 $3.56 2 Apr 2026 $4.31 6 Apr 2026 $4.58 7 Apr 2026 $4.17 8 Apr 2026 $4.18 9 Apr 2026 $4.06 10 Apr 2026 $3.71 13 Apr 2026 $4.21 14 Apr 2026 $3.75 15 Apr 2026 $3.86 16 Apr 2026 $4.16 17 Apr 2026 $4.20 20 Apr 2026 $4.63 21 Apr 2026 $4.29 22 Apr 2026 $4.46 23 Apr 2026 $4.24 24 Apr 2026 $4.13 27 Apr 2026 $3.81 28 Apr 2026 $3.92 29 Apr 2026 $3.87 30 Apr 2026 $4.14 1 May 2026 $4.37 4 May 2026 $4.33 5 May 2026 $4.42 6 May 2026 $4.87 7 May 2026 $4.86 8 May 2026 $4.49 11 May 2026 $4.58 12 May 2026 $4.84 13 May 2026 $4.60 14 May 2026 $4.20 15 May 2026 $3.95 18 May 2026 $4.00 19 May 2026 $3.89 20 May 2026 $3.97 21 May 2026 $3.96 22 May 2026 $3.75 26 May 2026 $3.58 27 May 2026 $3.59 28 May 2026 $3.66 29 May 2026 $3.71 1 Jun 2026 $3.64 2 Jun 2026 $3.53 3 Jun 2026 $3.28 4 Jun 2026 $3.13 5 Jun 2026 $2.94 8 Jun 2026 $2.90 9 Jun 2026 $2.78 10 Jun 2026 $2.63 11 Jun 2026 $2.73 12 Jun 2026 $2.98 15 Jun 2026 $3.13 16 Jun 2026 $3.04 17 Jun 2026 $3.06 18 Jun 2026 $3.12 22 Jun 2026 $3.24 23 Jun 2026 $3.47 24 Jun 2026 $3.09 25 Jun 2026 $2.98 26 Jun 2026 $3.12 29 Jun 2026 $3.55 30 Jun 2026 $3.67 1 Jul 2026 $4.86 2 Jul 2026 $4.92 6 Jul 2026 $4.76 7 Jul 2026 $5.07 8 Jul 2026 $5.08 9 Jul 2026 $4.90 10 Jul 2026 $4.95 13 Jul 2026 $4.79 14 Jul 2026 $4.80 15 Jul 2026 $4.62 16 Jul 2026 $4.22 17 Jul 2026 $4.00 20 Jul 2026 $3.85 21 Jul 2026 $3.86 22 Jul 2026 $3.89 23 Jul 2026 $3.74 24 Jul 2026 $3.75 27 Jul 2026 $3.57 28 Jul 2026 $3.44 29 Jul 2026 $3.25 30 Jul 2026 $3.18 31 Jul 2026 $3.13 3 Aug 2026 $3.20 4 Aug 2026 $3.19 5 Aug 2026 $3.02 6 Aug 2026 $3.05 7 Aug 2026 $3.28 10 Aug 2026 $3.69 11 Aug 2026 $3.69 12 Aug 2026 $3.36 13 Aug 2026 $3.17 14 Aug 2026 $3.18 17 Aug 2026 $3.25 18 Aug 2026 $3.34 19 Aug 2026 $3.27 20 Aug 2026 $3.34 21 Aug 2026 $3.35 24 Aug 2026 $3.19 25 Aug 2026 $3.18 26 Aug 2026 $3.12 27 Aug 2026 $3.10 28 Aug 2026 $3.09 31 Aug 2026 $3.13 1 Sep 2026 $2.99 2 Sep 2026 $2.88 3 Sep 2026 $2.91 4 Sep 2026 $2.98 8 Sep 2026 $2.95 9 Sep 2026 $3.10 10 Sep 2026 $3.13 11 Sep 2026 $3.03 14 Sep 2026 $3.07 15 Sep 2026 $3.02 16 Sep 2026 $3.08 17 Sep 2026 $3.50 18 Sep 2026 $3.54 21 Sep 2026 $3.58 22 Sep 2026 $3.53 23 Sep 2026 $3.53 24 Sep 2026 $3.44 25 Sep 2026 $3.42 28 Sep 2026 $3.40 29 Sep 2026 $3.56 30 Sep 2026 $3.94 1 Oct 2026 $3.75 2 Oct 2026 $4.69 5 Oct 2026 $3.55 6 Oct 2026 $3.19 7 Oct 2026 $3.72 8 Oct 2026 $3.49 9 Oct 2026 $3.61 Messinger Michael Chief Financial Officer Bought $5.10K 9 Dec 2025 · at $0.35 · 483% of stake Baird Jennifer A Director Bought $987.42 19 Dec 2025 · at $0.24 · 13.1% of stake Messinger Michael Chief Financial Officer Bought $2.45K 18 Aug 2026 · at $3.27 · 42.9% of stake
3 buys0 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$1.23M
Net income
$12.15M
Free cash flow
$13.60M
Gross margin
95.7%
Operating margin
-986.6%
Net margin
-984.6%
Return on equity
-116.7%
Return on capital
-87.5%
Debt to equity
0.06
Revenue growth, 1 yr
814.1%

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
0K -5M FY21 Fiscal year 2021 Revenue $0.00 Net income $4.60M Margin n/a 0K -12M FY22 Fiscal year 2022 Revenue $0.00 Net income $12.19M Margin n/a 0K -26M FY23 Fiscal year 2023 Revenue $0.00 Net income $26.23M Margin n/a 135K -25M FY24 Fiscal year 2024 Revenue $135.00K Net income $24.83M Margin -18,392.6% 1M -12M FY25 Fiscal year 2025 Revenue $1.23M Net income $12.15M Margin -984.6% · growth +814.1%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
18 Aug 2026 Messinger Michael
Chief Financial Officer
Bought $2.45K 42.9%
19 Dec 2025 Baird Jennifer A
Director
Bought $987.42 13.1%
9 Dec 2025 Messinger Michael
Chief Financial Officer
Bought $5.10K 483%
27 Aug 2025 Van Heel Kenneth
Director
Bought $8.57K 25.4%
26 Aug 2025 Van Heel Kenneth
Director
Bought $22.25K 174%
22 Aug 2025 Chung Kevin
Chief Medical Officer
Bought $8.00K 20.8%