X0306 4 2020-05-22 0 0001674930 Fulgent Genetics, Inc. FLGT 0001183863 BOLGER JOHN C C/O FULGENT GENETICS, INC. 4978 SANTA ANITA AVE. TEMPLE CITY CA 91780 1 0 0 0 Common Stock 2020-05-22 4 M 0 2500 3.925 A 9342 D Common Stock 2020-05-22 4 M 0 2631 0.38 A 11973 D Common Stock 2020-05-22 4 S 0 8677 15.3611 D 3296 D Stock Option (Right to Buy) 3.925 2020-05-22 4 M 0 2500 0.00 D 2028-05-18 Common Stock 2500 2500 D Stock Option (Right to Buy) 0.38 2020-05-22 4 M 0 2631 0.00 D 2026-02-22 Common Stock 2631 0 D Stock Option (Right to Buy) 15.82 2020-05-27 4 A 0 5000 0.00 A 2030-05-26 Common Stock 5000 5000 D The shares were sold in multiple transactions at prices ranging from $15.29 to $15.48, 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. The shares subject to the option vest over a period of four years, with 1/4th of such shares vesting 12 months after May 18, 2018, and 1/16th of such shares vesting at the end of every three-month period over the 36 months thereafter, subject to Mr. Bolger's continued service for the Issuer on each vesting date. The shares subject to the option vest over a period of four years, with 1/4th of such shares vesting 12 months after February 23, 2016, and 1/16th of such shares vesting at the end of every three-month period over the 36 months thereafter, subject to Mr. Bolger's continued service for the Issuer on each vesting date. The shares subject to the option vest over a period of four years, with 1/4th of such shares vesting 12 months after May 27, 2020, and 1/16th of such shares vesting at the end of every three-month period over the 36 months thereafter, subject to Mr. Bolger's continued service for the Issuer on each vesting date. /s/ Paul Kim, as Attorney-in-fact 2020-05-27