• ADAR1 Capital Management disclosed additional purchases of Rallybio common stock.
• Stake rose to 830,584 shares in indirect ownership.
• Purchases were reported at prices around USD 13.83 to USD 14 per share.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Rallybio Corporation published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001104659-26-060513), on May 13, 2026, and is solely responsible for the information contained therein.