SeaStar Medical shares surge 25.65% after-hours as ICU initiates coverage on AKI innovation.

SeaStar Medical Holding Corp. surged 25.65% in after-hours trading following two key developments. First, an analyst report titled "ICU: Critical Care Innovation for AKI Patients" initiated coverage of the stock, highlighting its advancements in acute kidney injury treatments—a positive catalyst for investor sentiment. Second, trading was halted at 19:50 EST with pending news, likely signaling a major corporate update or regulatory milestone. The combination of new bullish analyst attention and the anticipation of significant news drove the sharp after-hours rally, suggesting strong confidence in the company’s strategic direction or product pipeline.