Stock Option Grant for Bridget A. Martell

On June 25, 2026, Bridget A. Martell, a director at Aligos Therapeutics, Inc. (ALGS), was granted a stock option to acquire 5,860 shares of Common Stock. The option has an exercise price of $5.50 per share and an expiration date of June 25, 2036. The shares subject to the option will vest 100% on the earlier of the first anniversary of the grant date or immediately prior to the annual meeting in 2027, provided continuous service is maintained. This transaction is reported on Form 4.