# EDGAR Filing Document

**Accession Number:** 0001957368
**File Stem:** 0001437749-23-008637
**Filing Date:** 2023-3
**Character Count:** 44401
**Document Hash:** cca70c440448c7296588733350f97e89
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-23-008637.hdr.sgml**: 20230330

**ACCESSION NUMBER**: 0001437749-23-008637

**CONFORMED SUBMISSION TYPE**: SC 13D

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230330

**DATE AS OF CHANGE**: 20230330

**GROUP MEMBERS**: DRUGCRAFTERS, LP

**GROUP MEMBERS**: DUGABOY INVESTMENT TRUST

**GROUP MEMBERS**: HIGHLAND GLOBAL ALLOCATION FUND

**GROUP MEMBERS**: JAMES D. DONDERO

**GROUP MEMBERS**: NANCY MARIE DONDERO

**GROUP MEMBERS**: NEXPOINT ADVISORS, L.P.

**GROUP MEMBERS**: NEXPOINT ASSET MANAGEMENT, L.P.

**GROUP MEMBERS**: NEXPOINT CLIMATE TECH FUND

**GROUP MEMBERS**: NEXPOINT EVENT DRIVEN FUND

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Paratek Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001178711
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **IRS NUMBER:** 330960223
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-81821
- **FILM NUMBER:** 23781091

**BUSINESS ADDRESS:**
- **STREET 1:** 75 PARK PLAZA
- **STREET 2:** 4TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116
- **BUSINESS PHONE:** (617) 807-6600

**MAIL ADDRESS:**
- **STREET 1:** 75 PARK PLAZA
- **STREET 2:** 4TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02116

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Transcept Pharmaceuticals Inc
- **DATE OF NAME CHANGE:** 20090130

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NOVACEA INC
- **DATE OF NAME CHANGE:** 20020724
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NexPoint Real Estate Opportunities, LLC
- **CENTRAL INDEX KEY:** 0001957368
- **IRS NUMBER:** 461019134
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SC 13D

**BUSINESS ADDRESS:**
- **STREET 1:** 300 CRESCENT COURT
- **STREET 2:** SUITE 700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 214-276-6300

**MAIL ADDRESS:**
- **STREET 1:** 300 CRESCENT COURT
- **STREET 2:** SUITE 700
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201

**SECURITIES AND EXCHANGE COMMISSION** 

**WASHINGTON, DC 20549** 

**SCHEDULE 13D** 

**UNDER THE SECURITIES EXCHANGE ACT OF 1934** 

**PARATEK PHARMECEUTICALS, INC.** 

**(Name of Issuer)** 

**Common Stock, par value $0.001 per share** 

**(Title of Class of Securities)** 

**699374302** 

**(CUSIP Number)** 

**D.C. Sauter, General Counsel** 

**NexPoint Advisors, L.P.** 

**300 Crescent Court, Suite 700**

**Dallas, TX 75201** 

**(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)** 

**March 16, 2023**

**(Date of Event Which Requires Filing of this Statement)** 

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☒

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CUSIP No. 699374302 13D Page 1 of 14

---

| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>NexPoint Real Estate Opportunities, LLC | NAME OF REPORTING PERSONS<br>NexPoint Real Estate Opportunities, LLC |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>50,000 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>50,000 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>50,000 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>50,000 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.09% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.09% |
| 14 | TYPE OF REPORTING PERSON\*<br>OO | TYPE OF REPORTING PERSON\*<br>OO |

---

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CUSIP No. 699374302 13D Page 2 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Drugcrafters, LP | NAME OF REPORTING PERSONS<br>Drugcrafters, LP |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>1,307,617 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>1,307,617 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>1,307,617 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>1,307,617 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>2.28% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>2.28% |
| 14 | TYPE OF REPORTING PERSON<br>PN | TYPE OF REPORTING PERSON<br>PN |

---

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CUSIP No. 699374302 13D Page 3 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>NexPoint Climate Tech Fund | NAME OF REPORTING PERSONS<br>NexPoint Climate Tech Fund |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Massachusetts | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Massachusetts |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>64,770 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>64,770 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>64,770 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>64,770 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.11% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.11% |
| 14 | TYPE OF REPORTING PERSON<br>IV | TYPE OF REPORTING PERSON<br>IV |

---

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CUSIP No. 699374302 13D Page 4 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>NexPoint Event Driven Fund | NAME OF REPORTING PERSONS<br>NexPoint Event Driven Fund |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>225,000 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>225,000 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>225,000 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>225,000 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.39% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.39% |
| 14 | TYPE OF REPORTING PERSON<br>IV | TYPE OF REPORTING PERSON<br>IV |

---

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CUSIP No. 699374302 13D Page 5 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Highland Global Allocation Fund | NAME OF REPORTING PERSONS<br>Highland Global Allocation Fund |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Massachusetts | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Massachusetts |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>2,156,000 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>2,156,000 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,156,000 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,156,000 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>3.76% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>3.76% |
| 14 | TYPE OF REPORTING PERSON<br>IV | TYPE OF REPORTING PERSON<br>IV |

---

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CUSIP No. 699374302 13D Page 6 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>NexPoint Asset Management, L.P. | NAME OF REPORTING PERSONS<br>NexPoint Asset Management, L.P. |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>2,445,770 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>2,445,770 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,445,770 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,445,770 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>4.27% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>4.27% |
| 14 | TYPE OF REPORTING PERSON<br>IA, PN | TYPE OF REPORTING PERSON<br>IA, PN |

---

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CUSIP No. 699374302 13D Page 7 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>NexPoint Advisors, L.P. | NAME OF REPORTING PERSONS<br>NexPoint Advisors, L.P. |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>50,000 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>50,000 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>50,000 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>50,000 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.09% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>0.09% |
| 14 | TYPE OF REPORTING PERSON<br>IA, PN | TYPE OF REPORTING PERSON<br>IA, PN |

---

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CUSIP No. 699374302 13D Page 8 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>The Dugaboy Investment Trust | NAME OF REPORTING PERSONS<br>The Dugaboy Investment Trust |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>WC |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware | CITIZENSHIP OR PLACE OF ORGANIZATION<br>Delaware |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>2,889,060 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>2,889,060 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,889,060 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,889,060 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>5.05% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>5.05% |
| 14 | TYPE OF REPORTING PERSON<br>OO | TYPE OF REPORTING PERSON<br>OO |

---

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CUSIP No. 699374302 13D Page 9 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>Nancy Marie Dondero | NAME OF REPORTING PERSONS<br>Nancy Marie Dondero |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>United States | CITIZENSHIP OR PLACE OF ORGANIZATION<br>United States |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>2,889,060 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>2,889,060 |

---

---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,889,060 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>2,889,060 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>5.05% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>5.05% |
| 14 | TYPE OF REPORTING PERSON<br>IN | TYPE OF REPORTING PERSON<br>IN |

---

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CUSIP No. 699374302 13D Page 10 of 14

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| | | |
|:---|:---|:---|
| 1 | NAME OF REPORTING PERSONS<br>James D. Dondero | NAME OF REPORTING PERSONS<br>James D. Dondero |
| 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP | (a) ☐<br> (b) ☐ |
| 3 | SEC USE ONLY | SEC USE ONLY |
| 4 | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF | SOURCE OF FUNDS (SEE INSTRUCTIONS)<br>AF |
| 5 | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ | CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e) ☐ |
| 6 | CITIZENSHIP OR PLACE OF ORGANIZATION<br>United States | CITIZENSHIP OR PLACE OF ORGANIZATION<br>United States |

---

---

| | | |
|:---|:---|:---|
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 7 | SOLE VOTING POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 8 | SHARED VOTING POWER<br>6,692,447 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 9 | SOLE DISPOSITIVE POWER<br>0 |
| NUMBER OF<br> SHARES<br> BENEFICIALLY<br> OWNED BY<br> EACH<br> REPORTING<br> PERSON WITH | 10 | SHARED DISPOSITIVE POWER<br>6,692,447 |

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---

| | | |
|:---|:---|:---|
| 11 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>6,692,447 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON<br>6,692,447 |
| 12 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES | ☐ |
| 13 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>11.69% | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11<br>11.69% |
| 14 | TYPE OF REPORTING PERSON<br>HC, IN | TYPE OF REPORTING PERSON<br>HC, IN |

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CUSIP No. 699374302 13D Page 11 of 14

**<u>SCHEDULE 13D</u>**

This Schedule 13D (this "Filing") is being filed on behalf of NexPoint Real Estate Opportunities, LLC ("NREO") a Delaware limited liability company, Drugcrafters, LP, a Delaware limited partnership ("Drugcrafters"), NexPoint Climate Tech Fund (f/k/a Highland Small-Cap Equity Fund) ("Climate Tech"), a Massachusetts investment company, NexPoint Event Driven Fund ("Event Driven Fund"), a Delaware investment company, Highland Global Allocation Fund ("GAF"), a Massachusetts closed-ended investment company, NexPoint Asset Management, L.P. ("NAMLP"), a Delaware limited partnership, NexPoint Advisors, L.P. ("NexPoint Advisors"), a Delaware limited partnership, The Dugaboy Investment Trust, a Delaware Trust (the "Trust"), Nancy Marie Dondero and James D. Dondero (collectively, the "Reporting Persons").

**Item 1. Security and Issuer.**

This Schedule 13D relates to the shares of common stock, par value $0.001(the "Common Stock") per share of Paratek Pharmaceuticals, Inc. Paratek Pharmaceuticals, Inc.'s principal offices are located at 75 Park Plaza, Boston Massachusetts 02116.

**Item 2. Identity and Background.**

(a) This Schedule 13D is filed by and on behalf of each of the following persons: (i) NREO (ii) Drugcrafters, (iii) Climate Tech, (iv) Event Driven Fund, (v) GAF, (vi) NAMLP, (vii) NexPoint Advsiors, (viii) the Trust, (iv) Nancy Marie Dondero and (x) James D Dondero.

Each of the Reporting Persons may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended (the "Act"). Each of the Reporting Persons declares that neither the filing of this Schedule 13D nor anything herein shall be construed as evidence that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate or other group for the purpose of acquiring, holding or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer.

(b) The address of the principal office of each of NREO, Drugcrafters, Climate Tech, Event Driven Fund, GAF, NAMLP, NexPoint Advisors, the Trust and James D. Dondero is 300 Crescent Court, Suite 700, Dallas, Texas 75201. The address and principal office of Ms. Dondero is 1010 Crescent Beach Road, Vero Beach, Florida 32963.

(c) The principal business of NREO is primarily investing in various commercial real estate property types across the capital structure. The principal business of Drugcrafters is primarily as a compounding pharmacy providing patients and care providers with quality compounding services. The principal business of Climate Tech is primarily investing in climate technology companies. The principal business of Event Driven Fund is primarily investing in event catalysts including, mergers, acquisitions, tender offers, restructuring, spin-offs, refinancings, recapitalizations or economic events that can impact specific industries. The principal business of GAF is investing primarily in U.S. and foreign equity and debt securities that the portfolio manager considers to be undervalued by the market but have solid growth prospect. The principal business of NexPoint Advisors and NexPoint Asset Management is acting as investment adviser and/or manager to other persons. The principal business of the Trust is making and holding investments. The principal business of Mr. Dondero is managing affiliates of NexPoint Advisors and NexPoint Asset Management. Mr. Dondero may be deemed to beneficially own shares owned and/or held by and/or for the account of and/or for the benefit of and/or owned by advisees of NexPoint Advisors and NexPoint Asset Management. The principal business of Ms. Dondero is serving as trustee of a trust. Mr. Dondero may be deemed to beneficially own shares owned and/or held by and/or for the account of and/or for the benefit of and/or owned by advisees of NREO, Climate Tech, Event Driven Fund and GAF.

(d) During the last five years, none of the Reporting Persons has been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

(e) During the last five years, none of the Reporting Persons has been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding were or are subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

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CUSIP No. 699374302 13D Page 12 of 14

(f) Mr. Dondero and Ms. Dondero are United States citizens. NREO, Drugcrafters, Event Driven Fund, NAMLP and NexPoint Advisors are Delaware entities. Climate Tech and GAF are Massachusetts entities.

**Item 3. Source and Amount of Funds or Other Consideration.** 

All shares of Common Stock purchased in open market transactions. The shares were purchased from the working capital of NREO, Drugcrafters, Climate Tech, Event Driven Fund, GAF and the Trust and the amount of consideration used was $8,554207.39.

**Item 4. Purpose of Transaction.** 

The Reporting Persons intend to engage in discussions with the Company, Company's management and board of directors, other stockholders of the Company and other interested parties that may relate to the governance and board composition, business, operations, cost structure, management, assets, capitalization, financial condition, strategic plans, and the future of the Company.

The Reporting Persons may also propose or take one or more of the actions described in subsections (a) through (j) of Item 4 of Schedule 13D and may discuss such actions with the Company and Company's management and the board of directors, other stockholders of the Company and other interested parties. The Reporting Persons have discussed with management that the Company should pursue strategic alternatives and have sought a seat on the board of directors.

The Reporting Persons intend to review their investments in the Company on a continuing basis. Depending on various factors including, without limitation, the Company's financial position and investment strategy, the price levels of the Common Stock, conditions in the securities markets and general economic and industry conditions, Company's management responses to the discussions with the Reporting Persons, the Reporting Persons may in the future take such actions with respect to their investments in the Company as they deem appropriate, including, without limitation, purchasing additional shares of Common Stock or other financial instruments related to the Company or selling some or all of their beneficial or economic holdings, engaging in hedging or similar transactions with respect to the securities relating to the Company and/or otherwise changing their intention with respect to any and all matters referred to in Item 4 of Schedule 13D.

**Item 5. Interest in Securities of the Issuer.** 

&nbsp;&nbsp;&nbsp;&nbsp;(a) As of March 16, 2023, (i) NREO may be deemed to beneficially own 50,000 shares of Common Stock, which represents approximately 0.09% of the outstanding Common Stock, (ii) Drugcrafters may be deemed to beneficially 1,307,617 shares of Common Stock, which represents approximately 2.28% of the outstanding Common Stock, (iii) Climate Tech may be deemed to beneficially own 64,770 shares of Common Stock, which represents approximately 0.11% of the outstanding Common Stock, (iv) Event Driven Fund owned 225,000 shares of Common Stock, which represents approximately 0.39% of the outstanding Common Stock, (v) GAF may be deemed to beneficially own 2,156,000 shares of Common Stock, which represents approximately 3.76% of the outstanding Common Stock, (vi) NAMLP may be deemed to beneficially own 2,445,770 shares of Common Stock, which represents approximately 4.27% of the outstanding Common Stock, (vii) NexPoint Advisors may be deemed to beneficially own 50,000 shares of Common Stock, which represents approximately 0.09% of the outstanding Common Stock, (viii) the Trust may be deemed to beneficially own 2,889,060 shares of Common Stock, which represents approximately 5.05% of the outstanding Common Stock, (iv) Nancy Marie Dondero may be deemed to beneficially own 2,889,060 shares of Common Stock, which represents approximately 5.05% of the outstanding Common Stock and (x) James D. Dondero may be deemed to beneficially own 6,692,447 shares of Common Stock, which represents approximately 11.69% of the outstanding Common Stock and includes all shares of Common Stock owned by the Trust, which he has the right to acquire ownership of.

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CUSIP No. 699374302 13D Page 13 of 14

(b) ---

| | | | | |
|:---|:---|:---|:---|:---|
| **Name of Reporting Person** | **Sole** <br> **Voting**<br> **Power** | **Shared** <br> **Voting**<br> **Power** | **Sole**<br> **Dispositive**<br> **Power** | **Shared**<br> **Dispositive**<br> **Power** |
| NexPoint Real Estate Opportunities Fund (1) |  | 50000 |  | 50000 |
| Drugcrafters (2) | 0 | 1307617 | 0 | 1307617 |
| NexPoint Climate Tech Fund (3) | 0 | 64770 | 0 | 64770 |
| NexPoint Event Driven Fund (3) | 0 | 225000 | 0 | 225000 |
| Highland Global Allocation Fund (3) | 0 | 2156000 | 0 | 2156000 |
| NexPoint Asset Management, L.P. (3) | 0 | 2445770 | 0 | 2445770 |
| NexPoint Advisors, L.P. (4) | 0 | 50000 | 0 | 50000 |
| Dugaboy (5) | 0 | 2889060 | 0 | 2889060 |
| Nancy Marie Dondero (6) | 0 | 2889060 | 0 | 2889060 |
| James D. Dondero (7) | 0 | 6692447 | 0 | 6692447 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) These shares are held by NREO, which is wholly owned by NexPoint Diversified Real Estate Trust Operating Partnership, L.P., a Delaware limited partnership, which is wholly owned by NexPoint Diversified Real Estate Trust ("NXDT"). NXDT is one of the accounts advised by NexPoint Advisors. Mr. Dondero is the sole member of NexPoint Advisors' general partner, and may be deemed to be an indirect beneficial owner of the shares held by NREO. Mr. Dondero disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) These shares are held by Drugcrafters. Mr. Dondero owns 75% of PCMG Trading Partners XXIII, L.P. ("PCMG") and PCMG owns 99% of Drugcrafters. These entities are ultimately controlled by Mr. Dondero. Mr. Dondero may be deemed to be an indirect beneficial owner of the shares held by Drugcrafters. Mr. Dondero disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) Climate Tech, GAF and Event Driven Fund are management by NAMLP, which is ultimately controlled by Mr. Dondero. Mr. Dondero may be deemed to be an indirect beneficial owners of the shares held by Climate Tech, GAF and Event Driven Fund. Mr. Dondero disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4) These shares are held by NexPoint Advisors indirectly through an advised account. Mr. Dondero is the sole member of NexPoint Advisors' general partner, and may be deemed to be an indirect beneficial owner of the shares held by NexPoint Advisors. Mr. Dondero disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5) These shares are held by a trust of which Mr. Dondero is the beneficiary and Nancy Dondero is the trustee.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6) Includes shares that Ms. Dondero may be deemed to beneficially own as the trustee of the trust referred to in Item 5(a). Ms. Dondero is the sister of Mr. Dondero.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(7) The shares with shared voting and dispositive power are held by Mr. Dondero indirectly through NexPoint Advisors and NAMLP (as described in footnotes (1) and (5)) above) and their advised accounts. The shares with shared voting and dispositive power also include shares that Mr. Dondero has the right to acquire beneficial ownership of that are held by the trust referred to in Item 5(a), for which he does not serve as trustee. Mr. Dondero is the sole member of NexPoint Advisors' general partner, and may be deemed to be an indirect beneficial owner of the shares held by NexPoint Advisors. Mr. Dondero is also the sole stockholder and director of NAMLP general partner, and may be deemed to be an indirect beneficial owner of the shares held by NAMLP. Mr. Dondero ultimately controls PCMG, which owns 99% of Drugcrafters and may be deemed to be an indirect beneficial holder of the shares held by Drugcrafters.

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CUSIP No. 699374302 13D Page 14 of 14

(c) Annex A attached hereto lists all transactions in Common Stock during the past 60 days by the Reporting The shares of Common Stock were purchased in open market transactions in the Issuer. Except as reported in this Item 5, the Reporting Persons did not acquire or dispose of any Common Stock in the 60 days preceding the date hereof.

(d) No person other than the Reporting Persons is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Common Stock.

(e) Not applicable.

The filing of this Schedule 13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of Act, the beneficial owners of any securities of the Issuer that such person does not directly own. Each of the Reporting Persons specifically disclaims beneficial ownership of the securities reported herein that such person does not directly own.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

There are no contracts, arrangements, understandings or relationships among the Reporting Persons, or between the Reporting Persons and any other person, with respect to the securities of the Issuer.

**Item 7. Materials to be filed as Exhibits** 

Exhibit 99.1 Joint Filing Agreement among the Reporting Persons.

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**SIGNATURE** 

After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Date: March 24, 2023

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| | |
|:---|:---|
| NexPoint Real Estate Opportunities, LLC  | NexPoint Real Estate Opportunities, LLC  |
| By:  | /s/ Brian Mitts |
|  | Name: Brian Mitts  |
|  | Title: Authorized Signatory  |

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| | |
|:---|:---|
| DRUGCRAFTERS, LP  | DRUGCRAFTERS, LP  |
| By:  | /s/ James D. Dondero |
|  | Name: James D. Dondero  |
|  | Title: Managing Member of the General Partner  |

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| | |
|:---|:---|
| NEXPOINT CLIMATE TECH FUND  | NEXPOINT CLIMATE TECH FUND  |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

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| | |
|:---|:---|
| NEXPOINT EVENT DRIVEN FUND  | NEXPOINT EVENT DRIVEN FUND  |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| HIGHLAND GLOBAL ALLOCATION FUND  | HIGHLAND GLOBAL ALLOCATION FUND  |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| NEXPOINT ASSET MANAGEMENT, L.P. | NEXPOINT ASSET MANAGEMENT, L.P. |
| By:  | /s/ Stephanie Vitiello  |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| NEXPOINT ADVISORS, L.P. | NEXPOINT ADVISORS, L.P. |
| By:  | /s/ Stephanie Vitiello  |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| THE DUGABOY INVESTMENT TRUST  | THE DUGABOY INVESTMENT TRUST  |
| By:  | /s/ Nancy Marie Dondero |
|  | Name: Nancy Marie Dondero  |
|  | Title: Trustee  |

---

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| |
|:---|
| /s/ Nancy Marie Dondero  |
| Nancy Marie Dondero |

---

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| |
|:---|
| /s/ James D. Dondero |
| James D. Dondero |

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**<u>ANNEX A</u>**

**TRANSACTIONS** 

The following table sets forth all transactions with respect to the Common Stock effected in the last 60 days by the Reporting Persons or on behalf of the Reporting Persons in respect of the shares of Common Stock, inclusive of any transactions effected through 4:00 p.m., New York City time, on March 16, 2023,

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| | | | |
|:---|:---|:---|:---|
| **Fund** | **Date** | **Quantity** | **Price** |
| Drugcrafters | 1/26/2023 | 9448 | $2.08 |
| Drugcrafters | 1/26/2023 | 1724 | $2.07 |
| Drugcrafters | 1/26/2023 | 2600 | $2.08 |
| Drugcrafters | 1/27/2023 | 2100 | $2.08 |
| Drugcrafters | 1/27/2023 | 3000 | $2.07 |
| Drugcrafters | 1/27/2023 | 9978 | $2.10 |
| Drugcrafters | 1/30/2023 | 9900 | $2.07 |
| Drugcrafters | 2/1/2023 | 2500 | $2.10 |
| Drugcrafters | 2/1/2023 | 100 | $2.12 |
| Drugcrafters | 2/7/2023 | 1000 | $2.13 |
| Drugcrafters | 2/7/2023 | 1400 | $2.13 |
| Drugcrafters | 2/8/2023 | 1500 | $2.08 |
| Drugcrafters | 2/8/2023 | 1500 | $2.09 |
| Drugcrafters | 2/8/2023 | 2000 | $2.07 |
| Drugcrafters | 2/27/2023 | 16200 | $1.70 |
| Drugcrafters | 2/28/2023 | 13220 | $1.71 |
| Drugcrafters | 3/1/2023 | 6002 | $1.78 |
| Drugcrafters | 3/1/2023 | 20580 | $1.76 |
| Drugcrafters | 3/2/2023 | 15395 | $1.75 |
| Drugcrafters | 3/2/2023 | 9242 | $1.77 |
| Drugcrafters | 3/3/2023 | 10759 | $1.79 |
| Drugcrafters | 3/3/2023 | 7902 | $1.78 |
| Drugcrafters | 3/3/2023 | 6936 | $1.79 |
| Drugcrafters | 3/6/2023 | 6264 | $2.28 |
| Drugcrafters | 3/6/2023 | 7500 | $1.90 |
| Drugcrafters | 3/7/2023 | 7372 | $1.89 |
| Drugcrafters | 3/8/2023 | 2500 | $1.81 |
| Drugcrafters | 3/8/2023 | 2500 | $1.85 |
| Drugcrafters | 3/8/2023 | 2628 | $1.85 |
| Drugcrafters | 3/8/2023 | 5000 | $1.80 |
| Drugcrafters | 3/8/2023 | 2500 | $1.80 |
| Drugcrafters | 3/9/2023 | 7500 | $1.72 |
| Highland Global Allocation Fund | 3/10/2023 | 5026 | $1.65 |
| NexPoint Event Driven Fund | 3/10/2023 | 11136 | $1.61 |
| NexPoint Event Driven Fund | 3/10/2023 | 733 | $1.65 |
| Highland Global Allocation Fund | 3/10/2023 | 76358 | $1.61 |
| NexPoint Event Driven Fund | 3/13/2023 | 3650 | $1.70 |
| NexPoint Event Driven Fund | 3/13/2023 | 2578 | $1.67 |
| Highland Global Allocation Fund | 3/13/2023 | 25026 | $1.70 |
| Highland Global Allocation Fund | 3/13/2023 | 17674 | $1.67 |
| Highland Global Allocation Fund | 3/16/2023 | 43636 | $1.42 |
| Highland Global Allocation Fund | 3/16/2023 | 121892 | $1.35 |
| Highland Global Allocation Fund | 3/16/2023 | 94112 | $1.35 |
| Highland Global Allocation Fund | 3/16/2023 | 130909 | $1.38 |
| Highland Global Allocation Fund | 3/16/2023 | 305455 | $1.39 |
| NexPoint Event Driven Fund | 3/16/2023 | 7317 | $1.40 |
| NexPoint Event Driven Fund | 3/16/2023 | 5410 | $1.55 |
| NexPoint Event Driven Fund | 3/16/2023 | 29631 | $1.63 |
| NexPoint Event Driven Fund | 3/16/2023 | 318 | $1.31 |
| NexPoint Event Driven Fund | 3/16/2023 | 13725 | $1.35 |
| NexPoint Event Driven Fund | 3/16/2023 | 19091 | $1.38 |
| NexPoint Event Driven Fund | 3/16/2023 | 44545 | $1.39 |
| NexPoint Event Driven Fund | 3/16/2023 | 12727 | $1.55 |
| NexPoint Event Driven Fund | 3/16/2023 | 28750 | $1.46 |
| Highland Global Allocation Fund | 3/16/2023 | 203188 | $1.63 |
| Highland Global Allocation Fund | 3/16/2023 | 2178 | $1.31 |
| NexPoint Event Driven Fund | 3/16/2023 | 6364 | $1.42 |
| NexPoint Event Driven Fund | 3/16/2023 | 17775 | $1.35 |
| Highland Global Allocation Fund | 3/16/2023 | 87273 | $1.55 |
| Highland Global Allocation Fund | 3/16/2023 | 431250 | $1.46 |
| Highland Global Allocation Fund | 3/16/2023 | 50174 | $1.40 |
| Highland Global Allocation Fund | 3/16/2023 | 37099 | $1.55 |
| Highland Global Allocation Fund | 3/17/2023 | 220184 | $1.50 |
| NexPoint Event Driven Fund | 3/17/2023 | 14679 | $1.50 |
| NexPoint Event Driven Fund | 3/20/2023 | 6571 | $1.40 |
| Highland Global Allocation Fund | 3/20/2023 | 98566 | $1.40 |
| Drugcrafters | 3/21/2023 | 7500 | $1.83 |
| Drugcrafters | 3/21/2023 | 42500 | $1.89 |
| Drugcrafters | 3/21/2023 | 75000 | $1.64 |
| Drugcrafters | 3/21/2023 | 92500 | $1.66 |
| Drugcrafters | 3/21/2023 | 25000 | $1.68 |
| Highland Global Allocation Fund | 3/22/2023 | 106000 | $1.77 |
| Highland Global Allocation Fund | 3/23/2023 | 25000 | $1.71 |
| Highland Global Allocation Fund | 3/23/2023 | 25000 | $1.72 |
| Highland Global Allocation Fund | 3/23/2023 | 25000 | $1.77 |
| Highland Global Allocation Fund | 3/23/2023 | 25000 | $1.71 |
| Drugcrafters | 3/21/2023 | 7500 | $1.83 |

---

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**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the Common Stock of Paratek Pharmaceuticals, Inc., and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

The undersigned further agree that each party hereto is responsible for the timely filing of such Statement on Schedule 13D and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of March 24, 2023

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| | |
|:---|:---|
| NexPoint Real Estate Opportunities, LLC  | NexPoint Real Estate Opportunities, LLC  |
| By:  | /s/ Brian Mitts  |
|  | Name: Brian Mitts  |
|  | Title: Authorized Signatory  |

---

---

| | |
|:---|:---|
| DRUGCRAFTERS, LP  | DRUGCRAFTERS, LP  |
| By:  | /s/ James D. Dondero  |
|  | Name: James D. Dondero  |
|  | Title: Managing Member of the General Partner  |

---

---

| | |
|:---|:---|
| NEXPOINT CLIMATE TECH FUND  | NEXPOINT CLIMATE TECH FUND  |
| By:  | /s/ Stephanie Vitiello  |
|  | Name: Stephanie Vitiello  |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| NEXPOINT EVENT DRIVEN FUND  | NEXPOINT EVENT DRIVEN FUND  |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello |
|  | Title: Chief Compliance Officer |

---

---

| | |
|:---|:---|
| HIGHLAND GLOBAL ALLOCATION FUND  | HIGHLAND GLOBAL ALLOCATION FUND  |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello |
|  | Title: Chief Compliance Officer  |

---

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| | |
|:---|:---|
| NEXPOINT ASSET MANAGEMENT, L.P. | NEXPOINT ASSET MANAGEMENT, L.P. |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello |
|  | Title: Chief Compliance Officer |

---

---

| | |
|:---|:---|
| NEXPOINT ADVISORS, L.P. | NEXPOINT ADVISORS, L.P. |
| By:  | /s/ Stephanie Vitiello |
|  | Name: Stephanie Vitiello |
|  | Title: Chief Compliance Officer |

---

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| | |
|:---|:---|
| THE DUGABOY INVESTMENT TRUST  | THE DUGABOY INVESTMENT TRUST  |
| By:  | /s/ Nancy Dondero |
|  | Name: Nancy Dondero  |
|  | Title: Trustee  |

---

---

| |
|:---|
| /s/ Nancy Marie Dondero |
| Nancy Marie Dondero |

---

---

| |
|:---|
| /s/ James D. Dondero |
| James D. Dondero |

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