-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 U9W4cV/djdFJzY8xdM1z5yGgSi0IGG/hrG1/eAXmhZOazmJYyKlRyLP5zqzOytp8
 IaKQyobig8ttkTJL4fQjnQ==

<SEC-DOCUMENT>0001181431-08-024603.txt : 20080410
<SEC-HEADER>0001181431-08-024603.hdr.sgml : 20080410
<ACCEPTANCE-DATETIME>20080410143448
ACCESSION NUMBER:		0001181431-08-024603
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080408
FILED AS OF DATE:		20080410
DATE AS OF CHANGE:		20080410

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eastern Insurance Holdings, Inc.
		CENTRAL INDEX KEY:			0001321268
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25 RACE AVENUE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17603
		BUSINESS PHONE:		610-205-6023

	MAIL ADDRESS:	
		STREET 1:		25 RACE AVENUE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17603

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Lancaster Holdings Company, Inc.
		DATE OF NAME CHANGE:	20050321

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Emmet Suzanne Marie
		CENTRAL INDEX KEY:			0001352243

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32899
		FILM NUMBER:		08749695

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		717-735-1660

	MAIL ADDRESS:	
		STREET 1:		25 RACE AVENUE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17603
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd202734.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-04-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001321268</issuerCik>
        <issuerName>Eastern Insurance Holdings, Inc.</issuerName>
        <issuerTradingSymbol>EIHI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001352243</rptOwnerCik>
            <rptOwnerName>Emmet Suzanne Marie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>25 RACE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LANCASTER</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>17603</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-04-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>300</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24616</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold pursuant to 10b5-1 trading plan.</footnote>
        <footnote id="F2">Includes 9,419 restricted shares awarded on January 3, 2007 which vest 20% annually each January 2, starting January 2, 2008.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Kevin M. Shook, under Power of Attorney for Suzanne M. Emmet</signatureName>
        <signatureDate>2008-04-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----