<SEC-DOCUMENT>0001062993-25-009787.txt : 20250519
<SEC-HEADER>0001062993-25-009787.hdr.sgml : 20250519
<ACCEPTANCE-DATETIME>20250519162005
ACCESSION NUMBER:		0001062993-25-009787
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250515
FILED AS OF DATE:		20250519
DATE AS OF CHANGE:		20250519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McClelland Bruce William
		CENTRAL INDEX KEY:			0001424201
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38267
		FILM NUMBER:		25964205

	MAIL ADDRESS:	
		STREET 1:		3871 LAKEFIELD DRIVE
		CITY:			SUWANEE
		STATE:			GA
		ZIP:			30024

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ribbon Communications Inc.
		CENTRAL INDEX KEY:			0001708055
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		ORGANIZATION NAME:           	06 Technology
		EIN:				821669692
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6500 CHASE OAKS BOULEVARD
		CITY:			PLANO
		STATE:			TX
		ZIP:			75023
		BUSINESS PHONE:		877-412-8867

	MAIL ADDRESS:	
		STREET 1:		6500 CHASE OAKS BOULEVARD
		CITY:			PLANO
		STATE:			TX
		ZIP:			75023

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Sonus Networks, Inc.
		DATE OF NAME CHANGE:	20171027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Solstice Sapphire Investments, Inc.
		DATE OF NAME CHANGE:	20170531
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
<TEXT>
<XML>
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    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-15</periodOfReport>

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        <issuerCik>0001708055</issuerCik>
        <issuerName>Ribbon Communications Inc.</issuerName>
        <issuerTradingSymbol>RBBN</issuerTradingSymbol>
    </issuer>

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            <rptOwnerCik>0001424201</rptOwnerCik>
            <rptOwnerName>McClelland Bruce William</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RIBBON COMMUNICATIONS</rptOwnerStreet1>
            <rptOwnerStreet2>6500 CHASE OAKS BLVD.</rptOwnerStreet2>
            <rptOwnerCity>PLANO</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75023</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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            </transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionPricePerShare>
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                <transactionPricePerShare>
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                <value>RSUs</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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                    <value>3125000</value>
                </transactionShares>
                <transactionPricePerShare>
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                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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                    <value>3125000</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
                </directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Performance-Based RSUs (PSUs)</value>
            </securityTitle>
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            <transactionDate>
                <value>2025-05-15</value>
            </transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>132353</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
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                <footnoteId id="F5"/>
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            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>132353</value>
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            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>132353</value>
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        <derivativeTransaction>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                    <value>88235</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionFormType>4</transactionFormType>
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                <transactionPricePerShare>
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                <underlyingSecurityShares>
                    <value>272943</value>
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                <sharesOwnedFollowingTransaction>
                    <value>272943</value>
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                <directOrIndirectOwnership>
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            <securityTitle>
                <value>RSUs</value>
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            <conversionOrExercisePrice>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>237341</value>
                </transactionShares>
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                </transactionAcquiredDisposedCode>
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                <underlyingSecurityTitle>
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                    <value>237341</value>
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    <footnotes>
        <footnote id="F1">These RSUs convert to Common Stock on a one-for-one basis.</footnote>
        <footnote id="F2">Reflects shares of Common Stock withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting.</footnote>
        <footnote id="F3">The RSUs vest as to one-third on May 15, 2026; the remaining two-thirds of the RSUs will vest in four equal semi-annual installments thereafter through May 15, 2028.</footnote>
        <footnote id="F4">The RSUs vest as to one-half on May 15, 2026; the remaining one-half of the RSUs will vest in two equal semi-annual installments thereafter through May 15, 2027.</footnote>
        <footnote id="F5">Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals (set by the Compensation Committee on an annual basis) for each of the three fiscal years prior to the vesting date. The aggregate number of shares issued may range from zero shares to 150% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on May 15, 2028.</footnote>
        <footnote id="F6">Each PSU represents a contingent right to receive one share of the Issuer's Common Stock, based on the Issuer's total shareholder return (TSR) compared to pre-established relative TSR goals, based on the TSR of a peer index of companies (set by the Compensation Committee at the time of grant) over the three fiscal years ending prior to the vesting date. The aggregate number of shares issued may range from zero shares to 200% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on May 15, 2028.</footnote>
        <footnote id="F7">Each PSU represents a contingent right to receive one share of the Issuer's Common Stock. The number of PSUs earned and issuable upon vesting will be determined based on goals (set by the Compensation Committee on an annual basis) for the fiscal year ending December 31, 2026. The aggregate number of shares issued may range from zero shares to 150% of the target number of shares reported in columns 5, 7 and 9 of Table II. The number of PSUs reported in columns 5, 7 and 9 of Table II reflects achievement at the target level of performance. This PSU will vest on May 15, 2027.</footnote>
        <footnote id="F8">The RSUs were granted on May 15, 2024 and vested in full on May 16, 2025.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Patrick Macken, By POA for Bruce McClelland, CEO &amp; Director</signatureName>
        <signatureDate>2025-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
