# EDGAR Filing Document

**Accession Number:** 0001404976
**File Stem:** 0000899243-23-010091
**Filing Date:** 2023-3
**Character Count:** 15850
**Document Hash:** 7ec86d9bae6bcb83f9972ea1be8b20c3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000899243-23-010091.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0000899243-23-010091

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230120

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Double Black Diamond Offshore Ltd
- **CENTRAL INDEX KEY:** 0001404976
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787933

**BUSINESS ADDRESS:**
- **STREET 1:** CITCO FUND SERVICES, 89 NEXUS WAY
- **STREET 2:** P.O. BOX 31106
- **CITY:** CAMANA BAY
- **STATE:** E9
- **ZIP:** KY-1205
- **BUSINESS PHONE:** 214.932.9600

**MAIL ADDRESS:**
- **STREET 1:** CITCO FUND SERVICES, 89 NEXUS WAY
- **STREET 2:** P.O. BOX 31106
- **CITY:** CAMANA BAY
- **STATE:** E9
- **ZIP:** KY-1205

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Double Black Diamond Offshore Ltd.
- **DATE OF NAME CHANGE:** 20090610

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Double Black Diamond Offshore LDC
- **DATE OF NAME CHANGE:** 20070628
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** CARLSON CAPITAL L P
- **CENTRAL INDEX KEY:** 0001056973
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787936

**BUSINESS ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVE
- **STREET 2:** STE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 2149329600

**MAIL ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVE
- **STREET 2:** STE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Carlson Clint Duane
- **CENTRAL INDEX KEY:** 0001404625

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787931

**MAIL ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE
- **STREET 2:** SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** EDCA 2019 Fund, L.P.
- **CENTRAL INDEX KEY:** 0001951606
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787934

**BUSINESS ADDRESS:**
- **STREET 1:** EDCA 2019 FUND, LP, 4001 KENNETT PIKE
- **STREET 2:** SUITE 302
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19807
- **BUSINESS PHONE:** (214) 932-9600

**MAIL ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE, SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201

**FORMER NAME:**
- **FORMER CONFORMED NAME:** Delaware Domiciled Single Investor Limited Partnership - 101
- **DATE OF NAME CHANGE:** 20221021
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Asgard Investment Corp. II
- **CENTRAL INDEX KEY:** 0001503915
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787932

**BUSINESS ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE
- **STREET 2:** SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 214-932-9600

**MAIL ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE
- **STREET 2:** SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Black Diamond Arbitrage Offshore Ltd.
- **CENTRAL INDEX KEY:** 0001613525
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-03560
- **FILM NUMBER:** 23787935

**BUSINESS ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE, SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 214-932-9600

**MAIL ADDRESS:**
- **STREET 1:** 2100 MCKINNEY AVENUE, SUITE 1800
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
**ISSUER**: 

**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

**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

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>CARLSON CAPITAL L P<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Double Black Diamond Offshore Ltd<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVENUE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Black Diamond Arbitrage Offshore Ltd.<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVENUE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>EDCA 2019 Fund, L.P.<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVENUE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Asgard Investment Corp. II<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVENUE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Carlson Clint Duane<br><sub>(Last) (First) (Middle)</sub><br>2100 MCKINNEY AVENUE<br>STE 1900<br><sub>(Street)</sub><br>DALLAS, TX 75201<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-01-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Glatfelter Corp [ GLT ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock, par value $0.01 per share (the "Common Stock") | 2023-01-20 |  | X |  | 50000 | A | $2.50 | 5415000 | I | See footnotes<sup>(1)(2)(3)</sup> |
| Common Stock | 2023-03-29 |  | P |  | 500000<sup>(4)</sup> | A | $3.0938 | 5915000 | I | See footnotes<sup>(1)(2)(4)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Stock Option (right to buy) | $2.50 | 2023-01-20 |  | X |  |  | 50000 | <sup>(3)</sup> | 2023-01-20 | Common Stock | 50000 | $0.00 | 0 | I | See footnotes<sup>(1)(2)(3)</sup> |

---

### Footnotes:

(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.

**Signature:** Carlson Capital, L.P., By: /s/ Clint D. Carlson, Title: President  
**Date:** 2023-03-31

**Signature:** Double Black Diamond Offshore Ltd., By its general partner Asgard II, By: /s/ Clint D. Carlson, Title: President  
**Date:** 2023-03-31

**Signature:** 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  
**Date:** 2023-03-31

**Signature:** 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  
**Date:** 2023-03-31

**Signature:** Asgard Investment Corp. II, By: /s/ Clint D. Carlson, Title: President  
**Date:** 2023-03-31

**Signature:** Clint D. Carlson, By: /s/ Clint D. Carlson  
**Date:** 2023-03-31

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**