X0306 4 2020-05-14 0 0001034842 RIGEL PHARMACEUTICALS INC RIGL 0001725908 Cabatuan Nelson RIGEL PHARMACEUTICALS, INC. 1180 VETERANS BLVD. SOUTH SAN FRANCISCO CA 94080 0 1 0 0 VP,Finance & Princ.Acctg. Off. Stock Option (Right to Buy) 1.75 2020-05-14 4 A 0 20000 0 A 2030-05-14 Common Stock 20000 20000 D Fifty per cent (50%) of the shares subject to the option shall vest one year from the date of grant and fifty per cent (50%) of the shares subject to the option shall vest shall vest two years from the date of grant, subject to the reporting person's continuous service to the issuer through each such period. /s/Dolly Vance (Attorney-in-Fact) 2020-05-15