SeaStar Medical is trading at $3.08 (+6.83%) in after-hours trading, with no company-specific catalyst identified.

  • No September 2, 2026 company announcement, earnings release, or filing was identified; latest listed release was August 12, 2026.
  • Regular-session shares closed at $2.88, down 3.68%, before reversing higher after hours.
  • Broader markets were mixed: S&P 500 up 0.33% and Dow up 0.56%; that does not clearly explain isolated move. Catalyst remains unconfirmed; monitor for delayed filings or news.