Biotech Stocks Surge After Hours On Trial Updates, Data Momentum

Core Insights - Biotech stocks experienced a significant after-hours rally, with SOPHiA GENETICS and SELLAS Life Sciences leading the gains due to positive announcements regarding upcoming data presentations [1][2]. Company Highlights - SOPHiA GENETICS (SOPH) saw its shares increase by nearly 10%, closing at $4.44 [3]. - SELLAS Life Sciences Group Inc. (SLS) shares rose by 3.5% to $2.07 after announcing the presentation of preclinical efficacy data for its CDK9 inhibitor, SLS009, at the ESMO Congress 2025 [2]. - Other notable biotech companies that experienced stock price increases include Ironwood Pharmaceuticals (up 6.76% at $1.58), Spectral AI (up 8.60% at $2.40), and Adverum Biotechnologies (up 7.21% at $4.46) [3].