<SEC-DOCUMENT>0001127602-24-006938.txt : 20240226
<SEC-HEADER>0001127602-24-006938.hdr.sgml : 20240226
<ACCEPTANCE-DATETIME>20240226192023
ACCESSION NUMBER:		0001127602-24-006938
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240222
FILED AS OF DATE:		20240226
DATE AS OF CHANGE:		20240226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEGIORGIO KENNETH D
		CENTRAL INDEX KEY:			0001235820
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34580
		FILM NUMBER:		24681259

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			First American Financial Corp
		CENTRAL INDEX KEY:			0001472787
		STANDARD INDUSTRIAL CLASSIFICATION:	TITLE INSURANCE [6361]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				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>2024-02-22</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001235820</rptOwnerCik>
            <rptOwnerName>DEGIORGIO KENNETH D</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>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>128.078</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k) Plan Trust</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45517</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>337768</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7703</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>57.67</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>330065</value>
                    <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">Amount shown consists of shares contributed by issuer as company match, shares purchased for the reporting person's account and shares acquired through automatic reinvestment of dividends paid as reported in most recent account statement in transactions exempt under rules 16a-3(f)(1)(i)(B) and 16b-3(c).</footnote>
        <footnote id="F2">Payment of tax liability by withholding securities incident to the vesting of restricted stock units.</footnote>
        <footnote id="F3">Includes 13,480 unvested Restricted Stock Units (&quot;RSUs&quot;) acquired pursuant to an original grant of 48,651 RSUs and shares acquired through automatic dividend reinvestment, vesting in four equal annual increments commencing 2/18/2022, the first anniversary of the grant.</footnote>
        <footnote id="F4">Includes 12,096 unvested RSUs acquired pursuant to an original grant of 22,488 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 8,299 unvested RSUs acquired pursuant to an original grant of 23,131 RSUs and shares acquired through automatic dividend reinvestment, vesting in three equal annual increments commencing 2/22/2023, the first anniversary of the grant.</footnote>
        <footnote id="F6">Includes 31,243 unvested RSUs acquired pursuant to an original grant of 45,215 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="F7">Includes 45,517 unvested RSUs acquired pursuant to a grant vesting in three equal annual increments commencing 2/22/2025, the first anniversary of the grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Stacy S. Rust, attorney-in-fact for Kenneth D. DeGiorgio</signatureName>
        <signatureDate>2024-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
