X0508 4 2025-11-19 0001674930 Fulgent Genetics, Inc. FLGT 0001819718 Xie Jian C/O FULGENT GENETICS, INC. 4399 SANTA ANITA AVENUE EL MONTE CA 91731 false true false false President and COO false Common Stock 2025-11-19 4 S false 10000 29.0983 D 349768 D Common Stock 2025-11-19 4 G false 10000 0 D 339768 D Common Stock 220816 I by Trust The shares were sold by the reporting person for year-end tax planning. The shares were sold in multiple transactions at prices ranging from $29.07 to $29.1985, inclusive. The reported price reflects the weighted-average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. Reflects shares transferred as a gift to the James and Karena Xie Family Foundation (the "Foundation"), of which, the reporting person is the president and has voting and investment power over all securities owned by the foundation. Securities held by The Hsieh Family Dynasty Trust, dated January 27, 2010 (the "Trust"). Mr. Xie serves on the investment committee of the Trust. Mr. Xie disclaims any beneficial interest except with respect to any pecuniary interest therein. /s/ Paul Kim as Attorney-in-Fact 2025-11-21