Form 3 Filing for Jeffrey S. Farrow - Officer/Director Change

This filing is an initial report (Form 3) for Jeffrey S. Farrow, an insider of ACHIEVE LIFE SCIENCES, INC. The report indicates that Mr. Farrow, who holds a director position, currently beneficially owns no securities in the company. The filing was signed on May 29, 2026. Additionally, an exhibit (EX-24) provides a Limited Power of Attorney granted by Jeffrey Farrow to Sandra Thomson. This power of attorney authorizes Ms. Thomson to execute and file all necessary Forms (3, 4, and 5) related to Section 16 of the Securities Exchange Act of 1934 on behalf of Mr. Farrow. The power of attorney also grants Ms. Thomson broad authority to take any action deemed beneficial or legally required for these filings and includes provisions for indemnification and revocation.