Sonire Therapeutics Inc. initiated a U.S.-based Sunrise II study of Suizenji, its novel ultrasound-guided high-intensity focused ultrasound (HIFU) system designed to ablate pancreatic tumors, after closing an $18 million series A financing round April 15.

Fathom Therapeutics, formerly Atommap Corp., has raised $47 million in an oversubscribed series A financing to advance its work using physics-based simulations and AI to model protein motion and interactions at atomic resolution.

Tortugas Neuroscience Inc. came out of its shell to announce the raising of $106 million between its seed and series A financing rounds. “We like the symbolism of the sea turtle – long-lived, persistent, very determined,” Tortugas CEO Jeff Jonas said of the company’s name.

Vivatides Therapeutics Inc. has closed an oversubscribed $54 million series A financing to advance its work in extrahepatic RNA delivery technologies. Proceeds from the financing will be used to further advance the company’s extrahepatic delivery platform and accelerate pipeline programs.

Realta Life Sciences Inc. raised an additional $40 million in the final tranche of its series A investment, bringing the total the company has raised to more than $150 million through mission-driven investors and a family-office model.

Stipple Bio Inc. raised $100 million in a series A financing to support progression of the company’s lead drug, STP-100, an antibody-drug conjugate that binds an undisclosed target, and the company’s Pointillist discovery platform. The round was co-led by RA Capital, a16z Bio+Health and Nextech Invest. Existing investors, including Emerson Collective Investments (managed by Yosemite), GV (Google Ventures), Lola Capital Partners, GordonMD Global Investments and others, also participated in the round.

Stipple Bio Inc. raised $100 million in a series A financing to support progression of the company’s lead drug, STP-100, an antibody-drug conjugate that binds an undisclosed target, and the company’s Pointillist discovery platform.

Braveheart Bio Inc. reported positive results from an open-label randomized phase II dose-ranging study of BHB-1893 (HRS-1893) in obstructive hypertrophic cardiomyopathy. Results presented at the American College of Cardiology’s Annual Scientific Session and Expo in New Orleans showed BHB-1893 treatment was associated with rapid and substantial reductions in left ventricular outflow tract gradient, the primary endpoint of the study.

AI and advanced biotechnology are reshaping South Korea’s med-tech sector, but great technology alone is not enough to build a successful medical device company, speakers said at MedTech Innovator’s Medtech Spotlight: New Impact Korea 2026.