# EDGAR Filing Document

**Accession Number:** 0001280776
**File Stem:** 0000921895-25-002136
**Filing Date:** 2025-8
**Character Count:** 13539
**Document Hash:** d9ed5aab7b54cb142813002c30c2c7e5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000921895-25-002136.hdr.sgml**: 20250808

**ACCESSION NUMBER**: 0000921895-25-002136

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250808

**DATE AS OF CHANGE**: 20250808

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** IMMUNIC, INC.
- **CENTRAL INDEX KEY:** 0001280776
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 562358443
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-88651
- **FILM NUMBER:** 251198364

**BUSINESS ADDRESS:**
- **STREET 1:** 1200 AVENUE OF THE AMERICAS
- **STREET 2:** SUITE 200
- **CITY:** NEW YORK
- **STATE:** X1
- **ZIP:** 10036
- **BUSINESS PHONE:** (332) 255-9818

**MAIL ADDRESS:**
- **STREET 1:** 1200 AVENUE OF THE AMERICAS
- **STREET 2:** SUITE 200
- **CITY:** NEW YORK
- **STATE:** X1
- **ZIP:** 10036

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** VITAL THERAPIES INC
- **DATE OF NAME CHANGE:** 20040219
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** 683 Capital Management, LLC
- **CENTRAL INDEX KEY:** 0001404574

**ORGANIZATION NAME:**
- **EIN:** 205100992
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 1700 BROADWAY
- **STREET 2:** SUITE 4200
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019
- **BUSINESS PHONE:** (212) 554-2379

**MAIL ADDRESS:**
- **STREET 1:** 1700 BROADWAY
- **STREET 2:** SUITE 4200
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10019

## Exhibit 99.1

Exhibit 99.1

**<u>Joint Filing Agreement</u>**

The undersigned hereby agree that the Statement on Schedule 13G dated August 8, 2025 with respect to the Common Stock, par value $0.0001 per share, of Immunic, Inc., a Delaware corporation, and any further amendments thereto executed by each and any of the undersigned shall be filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended.

---

| | |
|:---|:---|
| 683 CAPITAL MANAGEMENT, LLC | 683 CAPITAL MANAGEMENT, LLC |
| By: | /s/ Ari Zweiman |
|  | Ari Zweiman, Managing Member |
| Date: | 08/08/2025 |

---

---

| | |
|:---|:---|
| 683 CAPITAL PARTNERS, LP | 683 CAPITAL PARTNERS, LP |
| By: | /s/ Ari Zweiman |
|  | Ari Zweiman, Authorized Person |
| Date: | 08/08/2025 |

---

---

| | |
|:---|:---|
| ARI ZWEIMAN | ARI ZWEIMAN |
| By: | /s/ Ari Zweiman |
|  | Ari Zweiman, Self |
| Date: | 08/08/2025 |

---

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** IMMUNIC, INC.

**Title of Class of Securities:** Common Stock, par value $0.0001 per share

**CUSIP Number:** 4525EP101

**Date of Event Which Requires Filing of this Statement:** 08/02/2025

**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>683 CAPITAL MANAGEMENT, LLC | Names of Reporting Persons<br>683 CAPITAL MANAGEMENT, 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>10634446.00 |
| 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>10634446.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 |
| 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>9.9% | Percent of Class Represented by Amount in Row (9)<br>9.9% |
| 12. | Type of Reporting Person (See Instructions)<br>IA | Type of Reporting Person (See Instructions)<br>IA |

---

| 1. | Names of Reporting Persons<br>683 CAPITAL PARTNERS, LP | Names of Reporting Persons<br>683 CAPITAL PARTNERS, LP |
|:---|:---|:---|:---|
| 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>10634446.00 |
| 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>10634446.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 |
| 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>9.9% | Percent of Class Represented by Amount in Row (9)<br>9.9% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

---

| 1. | Names of Reporting Persons<br>Zweiman Ari | Names of Reporting Persons<br>Zweiman Ari |
|:---|:---|:---|:---|
| 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>10634446.00 |
| 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>10634446.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>10634446.00 |
| 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>9.9% | Percent of Class Represented by Amount in Row (9)<br>9.9% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

---

**Item 1(a). Name of Issuer:**
IMMUNIC, INC.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1200 Avenue of the Americas, Suite 200, New York, New York 10036

**Item 2(a). Name of Person Filing:**
683 Capital Management, LLC

683 Capital Partners, LP

Ari Zweiman

Each of the foregoing is referred to as a "Reporting Person" and collectively as the "Reporting Persons."

**Item 2(b). Address of Principal Business Office:**
The principal business address for each of the Reporting Persons is 1700 Broadway, Suite 4200, New York, NY 10019.

**Item 2(c). Citizenship:**
683 Capital Management, LLC - DELAWARE

683 Capital Partners, LP - DELAWARE

Ari Zweiman - UNITED STATES

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.0001 per share

**Item 2(e). CUSIP Number:**
4525EP101

**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:**

As of August 2, 2025, 683 Capital Partners, LP beneficially owned warrants to purchase 10,634,446 shares of Common Stock which are currently exercisable.
683 Capital Management, LLC, as the investment manager of 683 Capital Partners, LP, may be deemed to have beneficially owned the warrants to purchase 10,634,446 shares of Common Stock beneficially owned by 683 Capital Partners, LP.
Ari Zweiman, as the Managing Member of 683 Capital Management, LLC, may be deemed to have beneficially owned the warrants to purchase 10,634,446 shares of Common Stock beneficially owned by 683 Capital Management, LLC.
The following percentage is based on 95,817,536 shares of Common Stock outstanding as of May 14, 2025, as disclosed in the Issuer's Prospectus Supplement filed pursuant to Rule 424(b)(5) filed on May 30, 2025 plus 10,634,446 shares of Common Stock issuable upon exercise of currently exercisable warrants held by the Reporting Persons, which is the maximum number of shares that may be acquired as limited by the 9.99% beneficial ownership limitation set forth in each warrant.
As of August 2, 2025, the Reporting Persons may be deemed to have beneficially owned 10,634,446 shares of Common Stock, constituting approximately 9.99% of the outstanding shares of Common Stock.

**(b) Percent of class:**

9.9%

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

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

See Cover Pages Items 5-9.

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

See Cover Pages Items 5-9.

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

See Cover Pages Items 5-9.

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

See Cover Pages Items 5-9.

**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**

See Exhibit 99.1.

**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.

**683 CAPITAL MANAGEMENT, LLC**

**Date:** 08/08/2025

**By:** /s/ Ari Zweiman

**Name & Title:** Ari Zweiman, Managing Member

**683 CAPITAL PARTNERS, LP**

**Date:** 08/08/2025

**By:** /s/ Ari Zweiman

**Name & Title:** Ari Zweiman, Authorized Person

**Zweiman Ari**

**Date:** 08/08/2025

**By:** /s/ Ari Zweiman

**Name & Title:** Ari Zweiman, Self