<SEC-DOCUMENT>0001641172-25-002391.txt : 20250402
<SEC-HEADER>0001641172-25-002391.hdr.sgml : 20250402
<ACCEPTANCE-DATETIME>20250402163022
ACCESSION NUMBER:		0001641172-25-002391
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250331
FILED AS OF DATE:		20250402
DATE AS OF CHANGE:		20250402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MULICA MICHAEL C
		CENTRAL INDEX KEY:			0001211437
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38907
		FILM NUMBER:		25805201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SONIM TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001178697
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				943336783
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4445 EASTGATE MALL
		STREET 2:		SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		650-378-8100

	MAIL ADDRESS:	
		STREET 1:		4445 EASTGATE MALL
		STREET 2:		SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001178697</issuerCik>
        <issuerName>SONIM TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>SONM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001211437</rptOwnerCik>
            <rptOwnerName>MULICA MICHAEL C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SONIM TECHNOLOGIES INC.</rptOwnerStreet1>
            <rptOwnerStreet2>4445 EASTGATE MALL, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>46728</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>101110</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the grant of restricted stock units that vest in one installment on the 45th day following the date of the grant, subject to the Reporting Person's continued service to the Issuer. Each restricted stock unit represents the contingent right to receive one share of the Issuer's common stock.</footnote>
        <footnote id="F2">Consists of (i) 32,363 shares of common stock and (ii) 68,747 unvested restricted stock units.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Clay Crolius, by power of attorney</signatureName>
        <signatureDate>2025-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
