<SEC-DOCUMENT>0001564590-21-038398-index.html : 20210728
<SEC-HEADER>0001564590-21-038398.hdr.sgml : 20210728
<ACCEPTANCE-DATETIME>20210727190125
ACCESSION NUMBER:		0001564590-21-038398
CONFORMED SUBMISSION TYPE:	8-K/A
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20210513
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210728
DATE AS OF CHANGE:		20210727

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03560
		FILM NUMBER:		211119284

	BUSINESS ADDRESS:	
		STREET 1:		4350 CONGRESS STREET
		STREET 2:		SUITE 600
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28209
		BUSINESS PHONE:		866-744-7380

	MAIL ADDRESS:	
		STREET 1:		4350 CONGRESS STREET
		STREET 2:		SUITE 600
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28209

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLATFELTER P H CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K/A
<SEQUENCE>1
<FILENAME>glt-8ka_20210513.htm
<DESCRIPTION>8-K/A G-P U.S. AFS AND PRO FORMAS
<TEXT>
Document 1 - file: glt-8ka_20210513.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>glt-ex231_148.htm
<DESCRIPTION>EX-23.1 - CONSENT OF GRANT THORNTON LLP
<TEXT>
Document 2 - file: glt-ex231_148.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>glt-ex991_17.htm
<DESCRIPTION>EX-99.1 2020 AUDITED FINANCIAL STATEMENTS GEORGIA-PACIFIC US
<TEXT>
Document 3 - file: glt-ex991_17.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>4
<FILENAME>glt-ex992_68.htm
<DESCRIPTION>EX-99.2 UNAUDITED INTERIM FINANCIAL STATEMENTS AS OF AND FOR THE THREE MONTHS ENDED MARCH 31, 2021
<TEXT>
Document 4 - file: glt-ex992_68.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>5
<FILENAME>glt-ex993_7.htm
<DESCRIPTION>EX-99.3 UNAUDITED PRO FORMA FINANCIAL INFORMATION
<TEXT>
Document 5 - file: glt-ex993_7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>6
<FILENAME>glt-20210513.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 6 - file: glt-20210513.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>7
<FILENAME>glt-20210513_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 7 - file: glt-20210513_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>8
<FILENAME>glt-20210513_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 8 - file: glt-20210513_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>glt-8ka_20210513_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: glt-8ka_20210513_htm.html

Document 9 - RAW XML: glt-8ka_20210513_htm.xml

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<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 10 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>11
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: FilingSummary.html

Document 14 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>16
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>17
<FILENAME>0001564590-21-038398-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 17 - file: 0001564590-21-038398-xbrl.zip

</DOCUMENT>
</SEC-DOCUMENT>