# EDGAR Filing Document

**Accession Number:** 0000812796
**File Stem:** 0002103370-26-000002
**Filing Date:** 2026-6
**Character Count:** 12285
**Document Hash:** 0ce553dad8d9ba9d34caa1560561f793
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002103370-26-000002.hdr.sgml**: 20260625

**ACCESSION NUMBER**: 0002103370-26-000002

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260625

**DATE AS OF CHANGE**: 20260625

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SOLIGENIX, INC.
- **CENTRAL INDEX KEY:** 0000812796
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 411505029
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-39976
- **FILM NUMBER:** 261121509

**BUSINESS ADDRESS:**
- **STREET 1:** 29 EMMONS DRIVE
- **STREET 2:** SUITE B-10
- **CITY:** PRINCETON
- **STATE:** NJ
- **ZIP:** 08540
- **BUSINESS PHONE:** 609-538-8200

**MAIL ADDRESS:**
- **STREET 1:** 29 EMMONS DRIVE
- **STREET 2:** SUITE B-10
- **CITY:** PRINCETON
- **STATE:** NJ
- **ZIP:** 08540

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DOR BIOPHARMA INC
- **DATE OF NAME CHANGE:** 20020329

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ENDOREX CORP
- **DATE OF NAME CHANGE:** 19960916

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** IMMUNOTHERAPEUTICS INC
- **DATE OF NAME CHANGE:** 19920703
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MJL Manager LLC
- **CENTRAL INDEX KEY:** 0002103370

**ORGANIZATION NAME:**
- **EIN:** 333653454
- **STATE OF INCORPORATION:** NJ
- **FISCAL YEAR END:** 1231

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

**BUSINESS ADDRESS:**
- **STREET 1:** 12 MANLEY ROAD
- **CITY:** PENNINGTON
- **STATE:** NJ
- **ZIP:** 08534
- **BUSINESS PHONE:** 6308739068

**MAIL ADDRESS:**
- **STREET 1:** 12 MANLEY ROAD
- **CITY:** PENNINGTON
- **STATE:** NJ
- **ZIP:** 08534

### Attached PDF Documents

**Attachment 1:** `13GJointExhibitMJL.pdf`

_No text found in this document._

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** SOLIGENIX, INC.

**Title of Class of Securities:** Common Stock, par value $.001 per share

**CUSIP Number:** —

**Date of Event Which Requires Filing of this Statement:** 06/22/2026

**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>MJL Manager LLC | Names of Reporting Persons<br>MJL Manager LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 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>893588.00 |
| 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>893588.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>893588.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>893588.00 |
| 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>5.2% | Percent of Class Represented by Amount in Row (9)<br>5.2% |
| 12. | Type of Reporting Person (See Instructions)<br>IA | Type of Reporting Person (See Instructions)<br>IA |

**Comment for Type of Reporting Person:** MJL Manager LLC ("MJL") is the general partner of Capuchin Capital Fund LP. MJL also manages discretionary accounts with authority to direct voting and disposition of shares.

---

| 1. | Names of Reporting Persons<br>Michael Liu | Names of Reporting Persons<br>Michael Liu |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 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>90000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>893588.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>90000.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>893588.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>983588.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>983588.00 |
| 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>5.7% | Percent of Class Represented by Amount in Row (9)<br>5.7% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Michael Liu is the sole control person of MJL and, in such capacity, has the authority to direct the voting and disposition of the shares held in discretionary accounts managed by MJL, including Capuchin Capital Fund LP. The reporting of shared power by the reporting persons shall not be construed as an admission that they are the beneficial owner of shares beneficially owned by the other, and each expressly disclaims beneficial ownership except to the extent of such person's actual pecuniary interest therein.

---

| 1. | Names of Reporting Persons<br>Capuchin Capital Fund LP | Names of Reporting Persons<br>Capuchin Capital Fund LP |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [x] |
| 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>539737.00 |
| 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>539737.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>539737.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>539737.00 |
| 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>3.1% | Percent of Class Represented by Amount in Row (9)<br>3.1% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

---

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

**Item 1(b). Address of Issuer's Principal Executive Offices:**
29 EMMONS DRIVE, SUITE B-10, PRINCETON, NEW JERSEY, 08540

**Item 2(a). Name of Person Filing:**
MJL Manager LLC
Michael Liu
Capuchin Capital Fund LP

**Item 2(b). Address of Principal Business Office:**
12 Manley Road, Pennington NJ 08534

**Item 2(c). Citizenship:**
MJL Manager LLC - New Jersey
Michael Liu - USA
Capuchin Capital Fund LP - Delaware

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $.001 per share

**Item 2(e). CUSIP Number:**
—

**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:**

MJL Manager LLC - 893,588
Michael Liu - 983588
Capuchin Capital Fund LP - 539,737

**(b) Percent of class:**

MJL Manager LLC - 5.2%
Michael Liu - 5.7%
Capuchin Capital Fund LP - 3.1%

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

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

MJL Manager LLC - 0
Michael Liu - 90,000
Capuchin Capital Fund LP - 0

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

MJL Manager LLC - 893,588
Michael Liu - 893,588
Capuchin Capital Fund LP - 539,737

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

MJL Manager LLC - 0
Michael Liu - 90,000
Capuchin Capital Fund LP - 0

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

MJL Manager LLC - 893,588
Michael Liu - 893,588
Capuchin Capital Fund LP - 539,737

**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 Item 2(a) in lieu of an Exhibit.

**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.

**MJL Manager LLC**

**Date:** 06/25/2026

**By:** Michael Liu

**Name & Title:** Managing Member

**Michael Liu**

**Date:** 06/25/2026

**By:** Michael Liu

**Name & Title:** Individual

**Capuchin Capital Fund LP**

**Date:** 06/25/2026

**By:** Michael Liu

**Name & Title:** Managing Member