<?xml version="1.0" encoding="UTF-8" ?><!-- Generated on Mon, 08 Jun 2026 13:42:34 -0400--><rss version="2.0">
    <channel>
        <title>Achieve Life Sciences, Inc. (ACHV) SEC Filings</title>
        <link>https://ir.achievelifesciences.com/sec-filings/all-sec-filings/rss</link>
        <description>Achieve Life Sciences, Inc. (ACHV) - All SEC Filings</description>
        <language>en-us</language>
                                            <image>
                <url>https://d1io3yog0oux5.cloudfront.net/_f78f2f7f8abb853c70499f7e80700fc4/achievelifesciences/files/theme/images/logo-sm.png</url>
                <title>Achieve Life Sciences, Inc. Logo</title>
                <link></link>
            </image>
                <generator>Equisolve Investor Relations Suite</generator>
        
                            <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0002107415-26-000004/0002107415-26-000004.pdf</link>
                <pubDate>Tue, 02 Jun 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0002107415-26-000004/0002107415-26-000004.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001405253-26-000011/0001405253-26-000011.pdf</link>
                <pubDate>Tue, 02 Jun 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001405253-26-000011/0001405253-26-000011.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0002107415-26-000003/0002107415-26-000003.pdf</link>
                <pubDate>Tue, 02 Jun 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0002107415-26-000003/0002107415-26-000003.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001405253-26-000010/0001405253-26-000010.pdf</link>
                <pubDate>Tue, 02 Jun 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001405253-26-000010/0001405253-26-000010.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[8-K - Current report]]></title>
                <description><![CDATA[8-K]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-252624/0001193125-26-252624.pdf</link>
                <pubDate>Tue, 02 Jun 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-252624/0001193125-26-252624.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[PRE 14A - Preliminary proxy statement not related to a contested matter or merger/acquisition]]></title>
                <description><![CDATA[PRE 14A]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-248338/0001193125-26-248338.pdf</link>
                <pubDate>Fri, 29 May 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-248338/0001193125-26-248338.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[EFFECT - Notice of Effectiveness]]></title>
                <description><![CDATA[EFFECT]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/9999999995-26-001729/9999999995-26-001729.pdf</link>
                <pubDate>Fri, 22 May 26 00:15:16 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/9999999995-26-001729/9999999995-26-001729.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[4 - Statement of changes in beneficial ownership of securities]]></title>
                <description><![CDATA[4]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-221774/0001193125-26-221774.pdf</link>
                <pubDate>Wed, 13 May 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-221774/0001193125-26-221774.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[3 - Initial statement of beneficial ownership of securities]]></title>
                <description><![CDATA[2 Related Documents: 3, EX-24]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-221733/0001193125-26-221733.pdf</link>
                <pubDate>Wed, 13 May 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-221733/0001193125-26-221733.pdf</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[S-8 - Securities to be offered to employees in employee benefit plans]]></title>
                <description><![CDATA[5 Related Documents: S-8, EX-5.1, EX-23.2, EX-99.1, EX-FILING FEES]]></description>
                <link>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-219443/0001193125-26-219443.pdf</link>
                <pubDate>Tue, 12 May 26 00:00:00 -0400</pubDate>
                <guid>https://ir.achievelifesciences.comhttps://ir.achievelifesciences.com/sec-filings/all-sec-filings/content/0001193125-26-219443/0001193125-26-219443.pdf</guid>
                                                                            </item>
            </channel>
</rss>