<SEC-DOCUMENT>0001860742-26-000020.txt : 20260223
<SEC-HEADER>0001860742-26-000020.hdr.sgml : 20260223
<ACCEPTANCE-DATETIME>20260223162009
ACCESSION NUMBER:		0001860742-26-000020
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260219
FILED AS OF DATE:		20260223
DATE AS OF CHANGE:		20260223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ling Karen
		CENTRAL INDEX KEY:			0001597450
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41380
		FILM NUMBER:		26665476

	MAIL ADDRESS:	
		STREET 1:		C/O IRHYTHM TECHNOLOGIES, INC.
		STREET 2:		699 8TH STREET, STE 600
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bausch & Lomb Corp
		CENTRAL INDEX KEY:			0001860742
		STANDARD INDUSTRIAL CLASSIFICATION:	OPHTHALMIC GOODS [3851]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		520 APPLEWOOD CRESCENT
		CITY:			VAUGHAN
		STATE:			A6
		ZIP:			L4K 4B4
		BUSINESS PHONE:		908-541-5456

	MAIL ADDRESS:	
		STREET 1:		520 APPLEWOOD CRESCENT
		CITY:			VAUGHAN
		STATE:			A6
		ZIP:			L4K 4B4
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-02-19</periodOfReport>

    <issuer>
        <issuerCik>0001860742</issuerCik>
        <issuerName>Bausch &amp; Lomb Corp</issuerName>
        <issuerTradingSymbol>BLCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001597450</rptOwnerCik>
            <rptOwnerName>Ling Karen</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O</rptOwnerStreet1>
            <rptOwnerStreet2>520 APPLEWOOD CRESCENT</rptOwnerStreet2>
            <rptOwnerCity>VAUGHAN</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>L4K 4B4</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2026-02-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>17.742</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>41676</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2026-02-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45676</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects a weighted average price. These shares were purchased in multiple transactions at prices ranging from $17.71 to $17.75 inclusive. The reporting person undertakes to provide 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 purchased at each separate price within the range set forth above.</footnote>
        <footnote id="F2">Represents matching restricted share units (&quot;MRSUs&quot;) granted to the reporting person in connection with the open market purchase of common shares reported on Table I above, pursuant to the issuer's matching share program. One-third of the MRSUs will vest on each of the first, second, and third anniversaries following the date of grant, subject to the reporting person's continued service (except in limited circumstances).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Debra E. Levin, attorney-in-fact</signatureName>
        <signatureDate>2026-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
