Statement of Changes in Beneficial Ownership - Form 4

FORM 4 Check this box if no longer subject to Section 16, Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * CARLSON CAPITAL L P 2. Issuer Name and Ticker or Trading Symbol Glatfelter Corp [GLT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2100 MCKINNEY AVE , STE 1900 3. Date of Earliest Transaction (Month/Day/Year) (Street) DALLAS TX 75201 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Join/Group Filing(Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code 4. Securities Acquired (A) or Disposed of (D) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) 6. Ownership Form: Direct (D) or Indirect (I) 7. Nature of Indirect Beneficial Ownership Code V Amount (A) or (D) Price

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code	5. Number of Derivative Securities Acquired (A) or Disposed of (D)	6. Date Exercisable and Expiration Date	7. Title and Amount of Securities Underlying Derivative Security	8. Price of Derivative Security	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)	11. Nature of Indirect Beneficial Ownership
Code	V	(A)	(D)	Date Exercisable	Expriation Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Director	10% Owner	Officer	Other
CARLSON CAPITAL L P 2100 MCKINNEY AVE STE 1900 DALLAS, TX75201		X
Double Black Diamond Offshore Ltd 2100 MCKINNEY AVENUE STE 1900 DALLAS, TX75201		X
Black Diamond Arbitrage Offshore Ltd. 2100 MCKINNEY AVENUE STE 1900 DALLAS, TX75201		X
EDCA 2019 Fund, L.P. 2100 MCKINNEY AVENUE STE 1900 DALLAS, TX75201		X
Asgard Investment Corp. II 2100 MCKINNEY AVENUE STE 1900 DALLAS, TX75201		X
Carlson Clint Duane 2100 MCKINNEY AVENUE STE 1900 DALLAS, TX75201		X

Signatures

Carlson Capital, L.P., By: /s/ Clint D. Carlson, Title: President	2023-03-31
**Signature of Reporting Person	Date
Double Black Diamond Offshore Ltd., By its general partner Asgard II, By: /s/ Clint D. Carlson, Title: President	2023-03-31
**Signature of Reporting Person	Date
Black Diamond Arbitrage Offshore Ltd., By its investment manager Carlson Capital, L.P., By its general partner Asgard II, By: /s/ Clint D. Carlson, Title: President	2023-03-31
**Signature of Reporting Person	Date
EDCA 2019 Fund, L.P., By its investment manager Carlson Capital, L.P., By its general partner Asgard II, By: /s/ Clint D. Carlson, Title: President	2023-03-31
**Signature of Reporting Person	Date
Asgard Investment Corp. II, By: /s/ Clint D. Carlson, Title: President	2023-03-31
**Signature of Reporting Person	Date
Clint D. Carlson, By: /s/ Clint D. Carlson	2023-03-31
**Signature of Reporting Person	Date

Explanation of Responses:

(*)	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
(**)	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The shares of Common Stock to which this relates are held directly by Double Black Diamond Offshore Ltd., a Cayman Islands exempted company ("Double Offshore"), Black Diamond Arbitrage Offshore Ltd., a Cayman Islands exempted company ("Arbitrage") and EDCA 2019 Fund, L.P., a Delaware limited partnership ("EDCA," together with Double Offshore and Arbitrage, the "Funds"). Carlson Capital, L.P., a Delaware limited partnership ("Carlson Capital") serves as the investment manager to, and has the power to direct the affairs of, the Funds. Asgard Investment Corp. II, a Delaware corporation ("Asgard II") serves as the general partner of, and has the power to direct the affairs of, Carlson Capital. Mr. Clint D. Carlson, a U.S. citizen, serves as the president of, and has the power to direct the affairs of, Asgard II and Carlson Capital.
(2)	(continued from footnote 1) Each of the reporting persons disclaims beneficial ownership of the securities to which this Form 4 relates for the purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except as to such extent of the reporting person's pecuniary interest in the securities.
(3)	Transaction reflects direct exercise by Double Offshore. The stock options were exercisable at any time before and including the date of its expiration.
(4)	Transaction reflects direct acquisition by Double Offshore of 162,255 shares, by Arbitrage of 253,655 shares and by EDCA of 84,090 shares.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

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