<SEC-DOCUMENT>0001127602-22-006701.txt : 20220224
<SEC-HEADER>0001127602-22-006701.hdr.sgml : 20220224
<ACCEPTANCE-DATETIME>20220224210017
ACCESSION NUMBER:		0001127602-22-006701
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211220
FILED AS OF DATE:		20220224
DATE AS OF CHANGE:		20220224

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cornehl Lisa W
		CENTRAL INDEX KEY:			0001885294

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34580
		FILM NUMBER:		22673981

	MAIL ADDRESS:	
		STREET 1:		1 FIRST AMERICAN WAY
		CITY:			SANTA ANA
		STATE:			CA
		ZIP:			92886

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			First American Financial Corp
		CENTRAL INDEX KEY:			0001472787
		STANDARD INDUSTRIAL CLASSIFICATION:	TITLE INSURANCE [6361]
		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>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-12-20</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001885294</rptOwnerCik>
            <rptOwnerName>Cornehl Lisa W</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>SVP, Chief Legal Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-12-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>39</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>73.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5059.076</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>138</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>67.83</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4977.544</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3786</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8763.544</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>236</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>66.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8527.544</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                    <footnoteId id="F9"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Payment of tax liability by withholding securities incident to the vesting of restricted stock units.</footnote>
        <footnote id="F2">Includes 228 unvested Restricted Stock Units (&quot;RSUs&quot;) acquired pursuant to an original grant of 424 RSUs and shares acquired through automatic dividend reinvestment, which vest in four equal annual increments commencing 12/20/20, the first anniversary of the grant.</footnote>
        <footnote id="F3">Includes 357 unvested RSUs acquired pursuant to an original grant of 991 RSUs and shares acquired through automatic dividend reinvestment, which vest in three equal annual increments commencing 2/20/21, the first anniversary of the grant.</footnote>
        <footnote id="F4">Includes 126 unvested RSUs acquired pursuant to an original grant of 230 RSUs and shares acquired through automatic dividend reinvestment, which vest in four equal annual increments commencing 2/20/21, the first anniversary of the grant.</footnote>
        <footnote id="F5">Includes 535 unvested RSUs acquired pursuant to an original grant of 776 RSUs and shares acquired through automatic dividend reinvestment, which vest in three equal annual increments commencing 2/18/22, the first anniversary of the grant.</footnote>
        <footnote id="F6">Includes 412 unvested RSUs acquired pursuant to an original grant of 532 RSUs and shares acquired through automatic dividend reinvestment, which vest in four equal annual increments commencing 2/18/22, the first anniversary of the grant.</footnote>
        <footnote id="F7">Includes 1,694 unvested RSUs acquired pursuant to a grant vesting in four equal annual increments commencing 2/22/2023, the first anniversary of the grant.</footnote>
        <footnote id="F8">Includes 2,092 unvested RSUs acquired pursuant to a grant vesting in three equal annual increments commencing 2/22/2023, the first anniversary of the grant.</footnote>
        <footnote id="F9">Includes 93.267 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.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Greg L. Smith, attorney-in-fact for Ms. Cornehl</signatureName>
        <signatureDate>2022-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
