<SEC-DOCUMENT>0001127602-25-018021.txt : 20250624
<SEC-HEADER>0001127602-25-018021.hdr.sgml : 20250624
<ACCEPTANCE-DATETIME>20250624200719
ACCESSION NUMBER:		0001127602-25-018021
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250620
FILED AS OF DATE:		20250624
DATE AS OF CHANGE:		20250624

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Seaton Mark Edward
		CENTRAL INDEX KEY:			0001507625
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34580
		FILM NUMBER:		251070614

	MAIL ADDRESS:	
		STREET 1:		1 FIRST AMERICAN WAY
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92707

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			First American Financial Corp
		CENTRAL INDEX KEY:			0001472787
		STANDARD INDUSTRIAL CLASSIFICATION:	TITLE INSURANCE [6361]
		ORGANIZATION NAME:           	02 Finance
		EIN:				261911571
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 FIRST AMERICAN WAY
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92707
		BUSINESS PHONE:		714-250-3000

	MAIL ADDRESS:	
		STREET 1:		1 FIRST AMERICAN WAY
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92707
</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>2025-06-20</periodOfReport>

    <issuer>
        <issuerCik>0001472787</issuerCik>
        <issuerName>First American Financial Corp</issuerName>
        <issuerTradingSymbol>FAF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001507625</rptOwnerCik>
            <rptOwnerName>Seaton Mark Edward</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 FIRST AMERICAN WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SANTA ANA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92707</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12763</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>173336.286</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 15,063 unvested RSUs acquired pursuant to an original grant of 21,414 RSUs and shares acquired through automatic dividend reinvestment, vesting in three equal annual increments commencing 2/22/2025, the first anniversary of the grant.</footnote>
        <footnote id="F2">Includes 29,110 unvested RSUs acquired pursuant to an original grant of 28,606 RSUs and shares acquired through automatic dividend reinvestment, vesting in three equal annual increments commencing 2/24/2026, the first anniversary of the grant.</footnote>
        <footnote id="F3">Includes 12,763 unvested RSUs acquired pursuant to a grant vesting in three equal annual increments commencing 6/20/2026, the first anniversary of the grant.</footnote>
        <footnote id="F4">Includes 5,291 unvested Restricted Stock Units (&quot;RSUs&quot;) acquired pursuant to an original grant of 18,633 RSUs and shares acquired through automatic dividend reinvestment, vesting in four equal annual increments commencing 2/22/2023, the first anniversary of the grant.</footnote>
        <footnote id="F5">Includes 7,517 unvested RSUs acquired pursuant to an original grant of 20,612 RSUs and shares acquired through automatic dividend reinvestment, vesting in three equal annual increments commencing 2/16/2024, the first anniversary of the grant.</footnote>
        <footnote id="F6">Includes 694.767 shares acquired through an automatic dividend reinvestment plan administered by the reporting person's broker since the reporting person's last filing made pursuant to Section 16(a) of the Securities Exchange Act of 1934. Fractional share amounts may vary slightly from prior reports due to rounding.</footnote>
        <footnote id="F7">Includes 403.939 shares acquired under the issuer's Employee Stock Purchase Plan since the reporting person's last filing made pursuant to Section 16(a) of the Securities Exchange Act of 1934. Fractional share amounts may vary slightly from prior reports due to rounding.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stacy S. Rust, Attorney-in-Fact for Mark E. Seaton</signatureName>
        <signatureDate>2025-06-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
