Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ]      Form 40-F [   ]

Legend Biotech Reports Fourth Quarter and Full Year 2025 Results and Recent Highlights

On March 10, 2026, Legend Biotech Corporation (“Legend Biotech” or the “Company”) issued a press release regarding its fourth quarter and full year 2025 financial results and recent business highlights, which is attached to this Form 6-K as Exhibit 99.1.

This report on Form 6-K, including Exhibit 99.1 (other than the information included under “Webcast/Conference Call Details” and “About Legend Biotech”), shall be deemed to be incorporated by reference in the registration statements of Legend Biotech on Form F-3 (Nos. 333-278050, 333-257625, and 333-272222) and Form S-8 (No. 333-239478 and 333-283217), to the extent not superseded by documents or reports subsequently filed.

EXHIBIT INDEX

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.