Form 4 Filing for Achieve Life Sciences, Inc.

This filing reports a Form 4 for Achieve Life Sciences, Inc. (ACHV) concerning a stock option grant to director Martin Christopher Nathan. On May 11, 2026, Mr. Nathan was granted 47,250 stock options with an exercise price of $5.59, expiring on May 11, 2036. The option vests in monthly installments over 36 months, starting May 11, 2026, contingent upon continued service. The transaction is coded as an acquisition (A) of a derivative security, indicating the grant of the option rather than its exercise. The reporting owner, Martin Christopher Nathan, is identified as a director but not an officer or ten-percent owner. The filing was signed by Sandra Thomson as attorney-in-fact for Mr. Nathan on May 13, 2026.