X0609 4 2026-06-25 0001799448 Aligos Therapeutics, Inc. ALGS 0001665133 Nuechterlein Carole false C/O ALIGOS THERAPEUTICS, INC. 1 CORPORATE DRIVE, 2ND FLOOR SOUTH SAN FRANCISCO CA 94080 true false Stock Option (Right to Buy) 5.5 2026-06-25 4 A 0 5860 0 A 2036-06-25 Common Stock 5860 5860 D The shares subject to the option will vest and become exercisable as to 100% of the total number of shares subject to the option on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2027 of the Issuer's stockholders, subject to continuous service to the Issuer through such vesting date. /s/ Lesley Ann Calhoun, as attorney-in fact for Carole Nuechterlein 2026-06-29