<SEC-DOCUMENT>0001179110-21-002600.txt : 20210302
<SEC-HEADER>0001179110-21-002600.hdr.sgml : 20210302
<ACCEPTANCE-DATETIME>20210302202949
ACCESSION NUMBER:		0001179110-21-002600
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210224
FILED AS OF DATE:		20210302
DATE AS OF CHANGE:		20210302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Berry James
		CENTRAL INDEX KEY:			0001340707

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50070
		FILM NUMBER:		21706600

	MAIL ADDRESS:	
		STREET 1:		C/O SAFETY INSURANCE
		STREET 2:		20 CUSTOM HOUSE STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAFETY INSURANCE GROUP INC
		CENTRAL INDEX KEY:			0001172052
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				134181699
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		20 CUSTOM HOUSE STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-951-0600

	MAIL ADDRESS:	
		STREET 1:		20 CUSTOM HOUSE STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAFETY HOLDINGS INC
		DATE OF NAME CHANGE:	20020424
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
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        <issuerName>SAFETY INSURANCE GROUP INC</issuerName>
        <issuerTradingSymbol>SAFT</issuerTradingSymbol>
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            <rptOwnerName>Berry James</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP - Underwriting</officerTitle>
            <otherText></otherText>
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            <transactionAmounts>
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                    <footnoteId id="F9"/>
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                <directOrIndirectOwnership>
                    <value>D</value>
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            <securityTitle>
                <value>Common Stock</value>
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                <transactionCode>S</transactionCode>
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    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents restricted stock awards effective February 24, 2021, with respect to which sale or transfer rights shall vest over three years with installments of 30% on February 24, 2022, 30% on February 24, 2023, and the remaining 40% on February 24, 2024, provided the grantee meets certain employment conditions.</footnote>
        <footnote id="F2">Represents restricted stock awards granted effective February 24, 2021 with respect to which sale or transfer rights will vest over a three-year performance period commencing on January 1, 2021 and ending on December 31, 2023. Vesting of these shares is dependent upon the attainment of pre-established performance objectives, and any difference between shares granted and shares earned at the end of the performance period will be reported at the conclusion of the performance period in 2024.</footnote>
        <footnote id="F3">Represents the difference between performance shares, with a three year performance period, that were granted on February 26, 2018 and actual shares earned at the end of the performance period on December 31, 2020. Final shares were approved by the Compensation Committee on February 24, 2021.</footnote>
        <footnote id="F4">Represents securities delivered in payment of a tax liability with respect to vesting of securities issued in accordance with Rule 16b-3.</footnote>
        <footnote id="F5">Represents the weighted average sale price of multiple open market same day sales with prices ranging from $79.05 to $80.02 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.</footnote>
        <footnote id="F6">Represents the weighted average sale price of multiple open market same day sales with prices ranging from $80.07 to $80.97 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.</footnote>
        <footnote id="F7">Represents the weighted average sale price of multiple open market same day sales with prices ranging from $81.09 to $81.59 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.</footnote>
        <footnote id="F8">Represents the weighted average sale price of multiple open market same day sales with prices ranging from $80.00 to $81.00 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.</footnote>
        <footnote id="F9">Represents the weighted average sale price of multiple open market same day sales with prices ranging from $81.06 to $81.19 per share. Full information regarding the number of shares sold at each separate price will be provided to the Securities and Exchange Commission or a security holder of the issuer upon request.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James D. Berry</signatureName>
        <signatureDate>2021-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
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</SEC-DOCUMENT>
