Korro Bio revealed a significant loss for 2025 but maintains a solid cash position. The advancement of its new asset, KRRO-121, aimed at major market opportunities has attracted analyst upgrades, enhancing investor sentiment.
KRRO stock volume surged to 6.68 million, far above average. KRRO-110 produced M-AAT protein but failed to meet preclinical expectations. Korro Bio reduced its workforce by one-third to extend cash runway. Analysts downgraded KRRO shares amid concerns about competitive profile. Stock plummeted 80%, closing at $6.27.
Korro Bio's shares plummeted nearly 80% in after-hours trading. The company is pausing its collaboration with Novo Nordisk for one year. Korro Bio announced layoffs of one-third of its employees. The restructuring aims to extend cash reserves until late 2027. Korro Bio will incur $2.4 million in restructuring charges.