<SEC-DOCUMENT>0001641172-25-001700.txt : 20250331
<SEC-HEADER>0001641172-25-001700.hdr.sgml : 20250331
<ACCEPTANCE-DATETIME>20250331160534
ACCESSION NUMBER:		0001641172-25-001700
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240502
FILED AS OF DATE:		20250331
DATE AS OF CHANGE:		20250331

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEX CORP
		CENTRAL INDEX KEY:			0000937226
		ORGANIZATION NAME:           	
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793152

	BUSINESS ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6
		ZIP:			M5J 1C4
		BUSINESS PHONE:		212-582-2211

	MAIL ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		P O BOX 700
		CITY:			TORONTO ONTARIO CANA
		STATE:			A6
		ZIP:			M5J 1C4

	FORMER NAME:	
		FORMER CONFORMED NAME:	ONEX CORP ET AL
		DATE OF NAME CHANGE:	19950209

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHWARTZ GERALD W
		CENTRAL INDEX KEY:			0001275599
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793151

	MAIL ADDRESS:	
		STREET 1:		330 NORTH WABASH AVENUE
		STREET 2:		SUITE 2800
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60611

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex American Holdings II LLC
		CENTRAL INDEX KEY:			0001297368
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793145

	BUSINESS ADDRESS:	
		STREET 1:		421 LEADER STREET
		CITY:			MARION
		STATE:			OH
		ZIP:			43302
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		421 LEADER STREET
		CITY:			MARION
		STATE:			OH
		ZIP:			43302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex US Principals LP
		CENTRAL INDEX KEY:			0001297369
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793143

	BUSINESS ADDRESS:	
		STREET 1:		421 LEADER STREET
		CITY:			MARION
		STATE:			OH
		ZIP:			43302
		BUSINESS PHONE:		(416) 362-7711

	MAIL ADDRESS:	
		STREET 1:		421 LEADER STREET
		CITY:			MARION
		STATE:			OH
		ZIP:			43302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEX PARTNERS III LP
		CENTRAL INDEX KEY:			0001435855
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793148

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-582-2211

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ONEX PARTNERS III PV LP
		CENTRAL INDEX KEY:			0001446974
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793147

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-582-2211

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX PARTNERS MANAGER LP
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners III Select LP
		CENTRAL INDEX KEY:			0001470880
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793146

	BUSINESS ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		STREET 2:		40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-582-2211

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE
		STREET 2:		40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners III GP LP
		CENTRAL INDEX KEY:			0001506665
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793149

	BUSINESS ADDRESS:	
		STREET 1:		C/O ONEX INVESTMENT CORP.
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-582-2211

	MAIL ADDRESS:	
		STREET 1:		C/O ONEX INVESTMENT CORP.
		STREET 2:		712 FIFTH AVENUE, 40TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex Partners GP Inc.
		CENTRAL INDEX KEY:			0001544360
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793150

	BUSINESS ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		48TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1
		BUSINESS PHONE:		(416) 874-1213

	MAIL ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		48TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Onex American Holdings GP LLC
		CENTRAL INDEX KEY:			0001544361
		ORGANIZATION NAME:           	
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38076
		FILM NUMBER:		25793144

	BUSINESS ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		48TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1
		BUSINESS PHONE:		(416) 874-1213

	MAIL ADDRESS:	
		STREET 1:		161 BAY STREET
		STREET 2:		48TH FLOOR
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M5J 2S1

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Emerald Holding, Inc.
		CENTRAL INDEX KEY:			0001579214
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				421775077
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		31910 DEL OBISPO STREET
		STREET 2:		SUITE 200
		CITY:			SAN JUAN CAPISTRANO
		STATE:			CA
		ZIP:			92675
		BUSINESS PHONE:		949-226-5700

	MAIL ADDRESS:	
		STREET 1:		31910 DEL OBISPO STREET
		STREET 2:		SUITE 200
		CITY:			SAN JUAN CAPISTRANO
		STATE:			CA
		ZIP:			92675

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Emerald Expositions Events, Inc.
		DATE OF NAME CHANGE:	20170330

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Expo Event Holdco, Inc.
		DATE OF NAME CHANGE:	20130613
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-05-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001579214</issuerCik>
        <issuerName>Emerald Holding, Inc.</issuerName>
        <issuerTradingSymbol>EEX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000937226</rptOwnerCik>
            <rptOwnerName>ONEX CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001275599</rptOwnerCik>
            <rptOwnerName>SCHWARTZ GERALD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001544360</rptOwnerCik>
            <rptOwnerName>Onex Partners GP Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001506665</rptOwnerCik>
            <rptOwnerName>Onex Partners III GP LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001435855</rptOwnerCik>
            <rptOwnerName>ONEX PARTNERS III LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001446974</rptOwnerCik>
            <rptOwnerName>ONEX PARTNERS III PV LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001470880</rptOwnerCik>
            <rptOwnerName>Onex Partners III Select LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297368</rptOwnerCik>
            <rptOwnerName>Onex American Holdings II LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001544361</rptOwnerCik>
            <rptOwnerName>Onex American Holdings GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001297369</rptOwnerCik>
            <rptOwnerName>Onex US Principals LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ONEX CORPORATION,161 BAY STREET,</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 700</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M5J 2S1</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-05-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>137461868</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>184520200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Series A Convertible Participating Preferred Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-05-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>69718919</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>137461868</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Series A Convertible Participating Preferred Stock (the &quot;Series A Preferred Stock&quot;) was held directly by OPV Gem Aggregator LP and convertible into a number of shares of Common Stock that is equal to the amount of the accreted liquidation preference per share of Series A Preferred Stock divided by the conversion price then in effect. On May 2, 2024, the Issuer mandatorily converted all of the outstanding Series A Preferred Stock into Common Stock. As a result, all of the Series A Preferred Stock held of record by OPV Gem Aggregator LP automatically converted into 137,461,868 shares of Common Stock.</footnote>
        <footnote id="F2">Includes: (i) 33,135,329 shares of Common Stock held of record by Onex Partners III LP, (ii) 1,377,397 shares of Common Stock held of record by Onex Partners III GP LP, (iii) 423,159 shares of Common Stock held of record by Onex US Principals LP, (iv) 420,116 shares of Common Stock held of record by Onex Partners III PV LP, (v) 11,125,186 shares of Common Stock held of record by Onex OP V Holdings SARL, (vi) 106,562 shares of Common Stock held of record by Onex Partners III Select LP, (vii) 470,583 shares of Common Stock held of record by Onex Advisor Subco III LLC, and (viii) 137,461,868 shares of Common Stock held of record by OPV Gem Aggregator LP.</footnote>
        <footnote id="F3">Onex Corporation, a corporation whose subordinated voting shares are traded on the Toronto Stock Exchange, and/or Mr. Gerald W. Schwartz, may be deemed to beneficially own the Common Stock held of record by (a) Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP through Onex Corporation's direct ownership and control of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, the general partner of each of Onex Partners III LP, Onex Partners III Select LP, and Onex Partners III PV LP (b) Onex Partners III GP LP, through Onex Corporation's ownership of all of the equity of Onex Partners GP Inc., the general partner of Onex Partners III GP LP, (c) Onex US Principals LP, through Onex Corporation's ownership of all of the equity of Onex Private Equity Holdings LLC (&quot;OPEH&quot;), which owns all of the equity of Onex American Holdings GP LLC, the general partner of Onex US Principals LP,</footnote>
        <footnote id="F4">(continued) (d) Onex OP V Holdings SARL, through Onex Corporation's ownership of all of the equity of OPEH, which owns all of the equity of Onex American Holdings Subco LLC, which controls Onex Partners Holdings LLC, which in turn owns all of the outstanding equity of Onex OP V Holdings SARL; (e) Onex Advisor Subco III LLC, through Gerald W. Schwartz's indirect control of 1597257 Ontario Inc., which owns all of the voting equity of New PCo II Investments Ltd., which owns all of the equity interest of Onex Advisor Subco III LLC; and (f) OPV Gem Aggregator LP, through Onex Corporation's ownership of all of the equity of Onex Partners Canadian GP Inc., which owns all of the equity of Onex Partners V GP Limited, which is the general partner of OPV Gem Aggregator LP.</footnote>
        <footnote id="F5">Mr. Gerald W. Schwartz, the Chairman of Onex Corporation, indirectly owns shares representing a majority of the voting rights of the shares of Onex Corporation and as such may be deemed to beneficially own all of the Common Stock beneficially owned by Onex Corporation. Each of these entities and Mr. Schwartz disclaims such beneficial ownership except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>Due to the limitations of the electronic filing system, Onex Private Equity Holdings LLC, Onex Partners Holdings LLC, Onex OP V Holdings SARL, 1597257 Ontario Inc., New PCo II Investments Ltd., Onex Advisor Subco III LLC, Onex Partners Canadian GP Inc., Onex Partners V GP Limited and OPV Gem Aggregator LP are filing a separate Form 4.</remarks>

    <ownerSignature>
        <signatureName>Onex Corporation, By: /s/ David Copeland, Managing Director - Tax</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Gerald W. Schwartz, By:/s/ Chris Govan, attorney-in-fact for Gerald W. Schwartz</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners GP Inc., By: /s/ Amir Motamedi, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners III GP LP, By: Onex Partners GP Inc., its General Partner, By: /s/ Amir Motamedi, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners III LP, By: Onex Partners III GP LP, its General Partner, By: Onex Partners GP Inc., its General Partner, By: /s/ Amir Motamedi, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners III PV LP, By: Onex Partners III GP LP, its General Partner, By: Onex Partners GP Inc., its General Partner, By: /s/ Amir Motamedi, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex Partners III Select LP, By: Onex Partners III GP LP, its General Partner, By: Onex Partners GP Inc., its General Partner, By: /s/ Amir Motamedi, Vice President</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex American Holdings II LLC, By: /s/ Amir Motamedi, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex American Holdings GP LLC, By: /s/ Amir Motamedi, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Onex US Principals LP, By: Onex American Holdings GP LLC, its General Partner, By: /s/ Amir Motamedi, Director</signatureName>
        <signatureDate>2025-03-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
