Filing Flows › SeaStar Medical Holding (ICU) › Q4 2025
SeaStar Medical Holding (ICU) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Mar 25, 2026
SeaStar Medical Holding (ICU) reported revenue of $420K for the fourth quarter 2025 (Q4 2025), +527% from a year earlier and +130% from the quarter before. Operating margin was -718.1%, net loss $2.9M (691.4% of revenue).
SeaStar Medical Holding, Q4 2025: revenue $420K (+527% year over year), operating margin -718.1%, net loss $2.9M, operating cash flow −$4.1M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $420K | +130% | +527% |
| Operating profit | −$3.0M | — | — |
| Net earnings | −$2.9M | — | — |
| Operating cash flow | −$4.1M | — | — |
What changed
Revenue was $420K in Q4 2025, up 527% year over year and up 130% from the previous quarter.
Gross margin was 97.1%, down 2.9 points from Q4 2024. Operating costs exceeded revenue by $3.0M, an operating margin of -718.1%. Operating expenses fell 29% while revenue rose 527%. The quarter ended with a net loss of $2.9M, narrower than the previous quarter's $3.5M loss.
Operating cash flow was −$4.1M. Non-cash charges added back $70K of share-based compensation. Working capital and other items used $1.3M.
Questions
What was SeaStar Medical Holding's revenue in the fourth quarter 2025?
SeaStar Medical Holding (ICU) reported revenue of $420K for the fourth quarter 2025 (Q4 2025), +527% from a year earlier and +130% from the quarter before.
Was SeaStar Medical Holding profitable in the fourth quarter 2025?
Operating loss was $3.0M (-718.1% of revenue) and net loss $2.9M.