SeaStar Medical is trading 7.6% up at $3.67, with no clear company-specific catalyst identified for the September 29, 2026 move.
- The company announced that its chief medical officer will speak at a pediatric therapy symposium October 6–8; the announcement describes an upcoming presentation, not a major new corporate or clinical development.
- Healthcare is down 1.33% and major indexes are mixed, leaving the cause of the stock’s gain unclear.