# EDGAR Filing Document

**Accession Number:** 0001719406
**File Stem:** 0001213900-25-079159
**Filing Date:** 2025-8
**Character Count:** 14319
**Document Hash:** d43447444c4ce56381b8058b6d38436d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-079159.hdr.sgml**: 20250821

**ACCESSION NUMBER**: 0001213900-25-079159

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250821

**DATE AS OF CHANGE**: 20250821

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NRX Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001719406
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 822844431
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-90195
- **FILM NUMBER:** 251238328

**BUSINESS ADDRESS:**
- **STREET 1:** 1201 ORANGE STREET
- **STREET 2:** SUITE 600
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
- **BUSINESS PHONE:** 484-254-6134

**MAIL ADDRESS:**
- **STREET 1:** 1201 ORANGE STREET
- **STREET 2:** SUITE 600
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Big Rock Partners Acquisition Corp.
- **DATE OF NAME CHANGE:** 20171012
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** B Group, Inc.
- **CENTRAL INDEX KEY:** 0002043476

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** KS
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 2900 MCKINNON STREET
- **STREET 2:** SUITE 1101
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 469-436-3669 EXT 501

**MAIL ADDRESS:**
- **STREET 1:** 2900 MCKINNON STREET
- **STREET 2:** SUITE 1101
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201

## Exhibit 99.1

**Exhibit 99**

**JOINT FILING AGREEMENT**

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such statement and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate.

IN WITNESS WHEREOF, the undersigned hereby execute this Joint Filing Agreement as of the 20th day of August 2025.

---

| | |
|:---|:---|
| The B Group, Inc. | The B Group, Inc. |
| By: | /s/ Branden B. Muhl |
| Name: | Branden B. Muhl |
| Title: | Chief Executive Officer |
| B Group Capital LLC | B Group Capital LLC |
| By: | /s/ Branden B. Muhl |
| Name: | Branden B. Muhl |
| Title: | Manager |
| Branden B. Muhl | Branden B. Muhl |
| By: | /s/ Branden B. Muhl |

---

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** NRx Pharmaceuticals, Inc.

**Title of Class of Securities:** Common Stock, $0.001 par value

**CUSIP Number:** 629444209

**Date of Event Which Requires Filing of this Statement:** 08/18/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>The B Group, Inc. | Names of Reporting Persons<br>The B Group, Inc. |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>KS | Citizenship or Place of Organization<br>KS |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>3000000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>3000000.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>12.62% | Percent of Class Represented by Amount in Row (9)<br>12.62% |
| 12. | Type of Reporting Person (See Instructions)<br>IA, HC | Type of Reporting Person (See Instructions)<br>IA, HC |

---

| 1. | Names of Reporting Persons<br>B Group Capital LLC | Names of Reporting Persons<br>B Group Capital LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>3000000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>3000000.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>12.62% | Percent of Class Represented by Amount in Row (9)<br>12.62% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

---

| 1. | Names of Reporting Persons<br>Branden B. Muhl | Names of Reporting Persons<br>Branden B. Muhl |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>3000000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>3000000.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3000000.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>12.62% | Percent of Class Represented by Amount in Row (9)<br>12.62% |
| 12. | Type of Reporting Person (See Instructions)<br>HC, IN | Type of Reporting Person (See Instructions)<br>HC, IN |

---

**Item 1(a). Name of Issuer:**
NRx Pharmaceuticals, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1201 Orange Street, Suite 600 Wilmington, DE 19801

**Item 2(a). Name of Person Filing:**
Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons."  This statement is filed on behalf of:

The B Group, Inc.
B Group Capital LLC
Branden B. Muhl

The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13G.

**Item 2(b). Address of Principal Business Office:**
The principal business address of The B Group, Inc. is  2900 McKinnon Street, Suite 1101, Dallas, Texas 75201.

The principal business address of each of B Group Capital LLC and Mr. Muhl is c/o The B Group, Inc., 2900 McKinnon Street, Suite 1101, Dallas, Texas 75201.

**Item 2(c). Citizenship:**
The B Group, Inc. is organized under the laws of the State of Kansas.

B Group Capital LLC is organized under the laws of the State of Delaware.

Branden B. Muhl is a citizen of the United States.

**Item 2(d). Title of Class of Securities:**
Common Stock, $0.001 par value

**Item 2(e). CUSIP Number:**
629444209

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

The information required by Item 4(a) is set forth in Row 9 of the cover page for each Reporting Person and is incorporated herein by reference.
This Schedule 13G relates to 3,000,000 shares of Common Stock held by B Group Capital LLC. The B Group, Inc. serves as investment adviser to B Group Capital LLC. Mr. Muhl is the controlling person and manager of The B Group, Inc. and B Group Capital LLC, respectively. In such capacities, The B Group, Inc. and Mr. Muhl may each be deemed to beneficially own the shares of Common Stock held by B Group Capital LLC.

**(b) Percent of class:**

The information required by Item 4(b) is set forth in Row 11 of the cover page for each Reporting Person and is incorporated herein by reference.
Ownership percentages are based on 23,769,901 shares of the Issuer's Common Stock outstanding immediately after giving effect to the completion of the Issuer's registered direct offering, as reported in the Prospectus Supplement filed pursuant to Rule 424(b)(5) by the Issuer with the Securities and Exchange Commission on August 18, 2025.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person and is incorporated herein by reference.

**(ii) Shared power to vote or to direct the vote:**

The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person and is incorporated herein by reference.

**(iii) Sole power to dispose or to direct the disposition of:**

The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person and is incorporated herein by reference.

**(iv) Shared power to dispose or to direct the disposition of:**

The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person and is incorporated herein by reference.

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

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

**The B Group, Inc.**

**Date:** 08/20/2025

**By:** /s/ Branden B. Muhl

**Name & Title:** Branden B. Muhl/Chief Executive Officer

**B Group Capital LLC**

**Date:** 08/20/2025

**By:** /s/ Branden B. Muhl

**Name & Title:** Branden B. Muhl/Manager

**Branden B. Muhl**

**Date:** 08/20/2025

**By:** /s/ Branden B. Muhl

**Name & Title:** Branden B. Muhl