-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001170961-10-000007.txt : 20100519
<SEC-HEADER>0001170961-10-000007.hdr.sgml : 20100519
<ACCEPTANCE-DATETIME>20100519180841
ACCESSION NUMBER:		0001170961-10-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20100503
FILED AS OF DATE:		20100519
DATE AS OF CHANGE:		20100519

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GLATFELTER P H CO
		CENTRAL INDEX KEY:			0000041719
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		IRS NUMBER:				230628360
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		96 S GEORGE ST
		STREET 2:		STE 500
		CITY:			YORK
		STATE:			PA
		ZIP:			17401
		BUSINESS PHONE:		7172252709

	MAIL ADDRESS:	
		STREET 1:		96 S GEORGE ST
		STREET 2:		STE 500
		CITY:			YORK
		STATE:			PA
		ZIP:			17401

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMOOT RICHARD L
		CENTRAL INDEX KEY:			0001192100

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03560
		FILM NUMBER:		10846275

	MAIL ADDRESS:	
		STREET 1:		96 S GEORGE ST STE 420
		CITY:			YORK
		STATE:			PA
		ZIP:			17401
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000041719</issuerCik>
        <issuerName>GLATFELTER P H CO</issuerName>
        <issuerTradingSymbol>GLT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001192100</rptOwnerCik>
            <rptOwnerName>SMOOT RICHARD L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>96 S GEORGE ST STE 500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>YORK</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>17401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>781</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>14.95</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15419</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2153</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17572</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
                <footnoteId id="F3"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-05-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2007</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $.01</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2007</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2007</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
                <footnoteId id="F3"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-05-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2153</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-05-04</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-05-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $.01</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2153</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">As part of the Director's compensation, each director receives a retainer of $17,500 semi-annually, 1/3 is paid in cash, and 2/3 in Company stock.  These shares represent the stock portion of this retainer for 2010.</footnote>
        <footnote id="F2">These shares represent the 2007 restricted stock unit grant for which all forfeiture restrictions lapsed on May 4, 2010.</footnote>
        <footnote id="F3">Each Restricted Stock Unit represents a contingent right to receive one share of Company common stock at no cost.</footnote>
        <footnote id="F4">One-third of the restricted stock units awarded vest on the day prior to each of the first, second and third Annual Meeting of Shareholders of the Company following the Award Date, and all restrictions on vested restricted stock units lapse on the day prior to the third Annual Meeting of Shareholders following the Award Date, provided the Director continues to serve continuously as a Director of the Company until the respective vesting dates.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Linda Levans, attorney-in-fact for Richard L. Smoot</signatureName>
        <signatureDate>2010-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>gltpoa.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
POWER OF ATTORNEY
For Executing Forms 3, 4 and 5
       Know all persons by these presents, that the undersigned hereby
constitutes and appoints each of
Thomas G. Jackson, John P. Jacunski and Linda Levans of P. H. Glatfelter Company
(the "Company") and Brian D. Doerner and Jill M. Stadelman of Ballard Spahr LLP
("Ballard Spahr") as his true and lawful attorneys-in-fact to:
(1) prepare and/or execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of the Company,
Forms 3, 4 and 5 to report transactions in the Company's securities reportable
by the undersigned in accordance with the provisions of Section 16(a) of the
Securities Exchange Act of 1934, as amended and the rules and regulations
promulgated thereunder;(2) do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to complete the
preparation and execution of any such Form 3, 4 or 5 and any amendment thereto
and the timely filing of any such Form 3, 4 or 5 and any amendment thereto,
with the United States Securities and Exchange Commission and any
other authority, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and conditions
as such attorney-in-fact may approve in his or her discretion; and
(3) resign as attorney-in-fact and appoint, as a replacement attorney-in-fact,
any executive officer of the Company or any attorney of Ballard Spahr at the
time of such resignation;provided that such resigning and replacement
attorneys-in-fact shall send notice to the undersigned of any such replacement.
The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform all and every act and thing whatsoever requisite,
necessary and proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of substitution or
revocation, hereby ratifying and confirming all that such attorney-in-fact,
or any replacement attorney-in-fact, shall lawfully do or cause to
be done by virtue of this Power of Attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing attorneys-in-fact,
and any replacement attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the Company assuming, any
of the undersigned's responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934, as amended or the rules and regulations
promulgated thereunder.
       This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms, 3, 4 and 5 with respect to
the undersigned's holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.
       IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 19th day of May, 2010.

      					/s/ Richard L. Smoot
							Signature

						Richard L. Smoot
							Print Name

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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