Quick Answer
SeaStar Medical Holding Corp reported Shares Outstanding of 3.84 million shares for fiscal year 2025.
SeaStar Medical Holding Corp Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 3.84M | +490.9% |
| 2024 | 650,639 | -67.7% |
| 2023 | 2.02M | -84.1% |
| 2022 | 12.70M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 34.10M | +709.0% | +96.6% |
| June 30, 2025 | 17.34M | +810.6% | +87.3% |
| March 31, 2025 | 9.26M | -87.7% | +54.9% |
| December 31, 2024 | 5.98M | +196.5% | +41.8% |
| September 30, 2024 | 4.21M | -84.5% | +121.3% |
| June 30, 2024 | 1.90M | -89.5% | -97.5% |
| March 31, 2024 | 75.42M | +467.2% | +3641.0% |
| December 31, 2023 | 2.02M | -84.1% | -92.6% |
- SeaStar Medical Holding Corp showed an increase of +490.9% in Shares Outstanding compared to the prior fiscal year.
- Over the 2022–2025 period, SeaStar Medical Holding Corp’s shares outstanding has declined by 69.7% (from 12.70 million shares to 3.84 million shares).
- The most recent figure is from SeaStar Medical Holding Corp’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 25, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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