Filing Summary for RALLYBIO CORP

This filing details a change in ownership for RALLYBIO CORP. FMR LLC, a significant holder, now beneficially owns 372,827.00 shares, representing 7.1% of the outstanding common stock. This marks an increase from 0.0% ownership. The change was reported on March 6, 2026, with the event date of March 2, 2026. FMR LLC has sole power to direct the sale of these shares. While FMR LLC holds a substantial stake, no single person or entity other than FMR LLC is known to have the right to receive or the power to direct the receipt of dividends or proceeds from the sale of more than five percent of the outstanding common stock.