<SEC-DOCUMENT>0000950170-25-042074.txt : 20250319
<SEC-HEADER>0000950170-25-042074.hdr.sgml : 20250319
<ACCEPTANCE-DATETIME>20250319163843
ACCESSION NUMBER:		0000950170-25-042074
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250317
FILED AS OF DATE:		20250319
DATE AS OF CHANGE:		20250319

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Oki Mark K
		CENTRAL INDEX KEY:			0001491847
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	033-80623
		FILM NUMBER:		25753294

	MAIL ADDRESS:	
		STREET 1:		C/O ALEXZA PHARMACEUTICALS INC
		STREET 2:		2091 STIERLIN COURT
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACHIEVE LIFE SCIENCES, INC.
		CENTRAL INDEX KEY:			0000949858
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				954343413
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		22722 29TH DR. SE
		STREET 2:		SUITE 100
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98021
		BUSINESS PHONE:		425-686-1500

	MAIL ADDRESS:	
		STREET 1:		22722 29TH DR. SE
		STREET 2:		SUITE 100
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ONCOGENEX PHARMACEUTICALS, INC.
		DATE OF NAME CHANGE:	20080821

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SONUS PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19950825
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-17</periodOfReport>

    <issuer>
        <issuerCik>0000949858</issuerCik>
        <issuerName>ACHIEVE LIFE SCIENCES, INC.</issuerName>
        <issuerTradingSymbol>ACHV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001491847</rptOwnerCik>
            <rptOwnerName>Oki Mark K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>22722 29TH DR SE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>BOTHELL</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98021</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-17</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>2.8887</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported price in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $2.85 to $2.9387 per share, inclusive.  The Rreporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Sandra Thomson as attorney-in-fact for Mark Oki</signatureName>
        <signatureDate>2025-03-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
