# EDGAR Filing Document

**Accession Number:** 0001726334
**File Stem:** 0001213900-26-044365
**Filing Date:** 2026-4
**Character Count:** 16675
**Document Hash:** 3c3fb2b01d5509421e2ae6d935012439
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-26-044365.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001213900-26-044365

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Agomab Therapeutics NV
- **CENTRAL INDEX KEY:** 0002020932
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** C9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95508
- **FILM NUMBER:** 26865894

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** POSTHOFLEI 1/6
- **CITY:** ANTWERPEN
- **PROVINCE COUNTRY:** C9
- **ZIP:** 2600
- **BUSINESS PHONE:** 32 3 302 35 30

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** POSTHOFLEI 1/6
- **CITY:** ANTWERPEN
- **PROVINCE COUNTRY:** C9
- **ZIP:** 2600
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Pontifax Management 4 G.P. (2015) Ltd.
- **CENTRAL INDEX KEY:** 0001726334

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** L3

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

**BUSINESS ADDRESS:**
- **STREET 1:** 14 SHENKAR STREET, BEIT OFEK
- **CITY:** HERZLIYA PITUACH
- **STATE:** L3
- **ZIP:** 46140
- **BUSINESS PHONE:** 972-9-9725617

**MAIL ADDRESS:**
- **STREET 1:** 14 SHENKAR STREET, BEIT OFEK
- **CITY:** HERZLIYA PITUACH
- **STATE:** L3
- **ZIP:** 46140

## Ex-99.A

<u>Exhibit A</u>

**JOINT FILING AGREEMENT**

The undersigned hereby agree that the Schedule 13G with respect to the shares of Agomab Therapeutics NV dated as of April 16, 2026, is, and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Date: April 16, 2026

---

| | |
|:---|:---|
| <u>PONTIFAX VI G.P. L.P.</u> | <u>PONTIFAX VI G.P. L.P.</u> |
| By: | /s/ Pontifax Management 4 G.P. (2015) Ltd. |
| Name: | Pontifax Management 4 G.P. (2015) Ltd. |
| Title: | General Partner |
| By: | /s/ Ran Nussbaum |
| Name: | Ran Nussbaum |
| Title: | Director |
| <u>PONTIFAX MANAGEMENT 4 G.P. (2015) LTD.</u> | <u>PONTIFAX MANAGEMENT 4 G.P. (2015) LTD.</u> |
| By: | /s/ Ran Nussbaum |
| Name: | Ran Nussbaum |
| Title: | Director |

---

 

---

| |
|:---|
| /s/ Ran Nussbaum |
| RAN NUSSBAUM |
| /s/ Tomer Kariv |
| TOMER KARIV |

---

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** Agomab Therapeutics NV

**Title of Class of Securities:** Common Shares, no nominal value per share

**CUSIP Number:** —

**Date of Event Which Requires Filing of this Statement:** 03/31/2026

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

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

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

---

| 1. | Names of Reporting Persons<br>Pontifax VI G.P. L.P. | Names of Reporting Persons<br>Pontifax VI G.P. L.P. |
|:---|:---|:---|:---|
| 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>L3 | Citizenship or Place of Organization<br>L3 |
| 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>3305846.00 |
| 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>3305846.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 |
| 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>6.8% | Percent of Class Represented by Amount in Row (9)<br>6.8% |
| 12. | Type of Reporting Person (See Instructions)<br>PN | Type of Reporting Person (See Instructions)<br>PN |

**Comment for Type of Reporting Person:** Consists of (a) 1,759,574 shares held by Pontifax (Israel) V, L.P., (b) 469,982 shares held by Pontifax (Cayman) V, L.P, (c) 683,616 shares held by Pontifax (China) V L.P.; and (d) 392,674 shares held by Pontifax Late Stage L.P. (collectively, the "Pontifax Entities"). Pontifax VI G.P. L.P. ("Pontifax VI GP") is the general partner of each of the Pontifax Entities. Pontifax Management 4 G.P. (2015) Ltd. ("Pontifax Management") is the general partner of Pontifax VI GP. Mr. Tomer Kariv and Mr. Ran Nussbaum are the directors of Pontifax Management. Each of Mr. Kariv and Mr. Nussbaum disclaim beneficial ownership of the shares held by the Pontifax Entities and the inclusion of such shares in this Schedule 13G shall not be deemed to be an admission of beneficial ownership of the reported shares.

---

| 1. | Names of Reporting Persons<br>Pontifax Management 4 G.P. (2015) Ltd. | Names of Reporting Persons<br>Pontifax Management 4 G.P. (2015) Ltd. |
|:---|:---|:---|:---|
| 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>L3 | Citizenship or Place of Organization<br>L3 |
| 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>3305846.00 |
| 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>3305846.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 |
| 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>6.8% | Percent of Class Represented by Amount in Row (9)<br>6.8% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Consists of (a) 1,759,574 shares held by Pontifax (Israel) V, L.P., (b) 469,982 shares held by Pontifax (Cayman) V, L.P, (c) 683,616 shares held by Pontifax (China) V L.P.; and (d) 392,674 shares held by Pontifax Late Stage L.P. Pontifax VI GP is the general partner of each of the Pontifax Entities. Pontifax Management is the general partner of Pontifax VI GP. Mr. Tomer Kariv and Mr. Ran Nussbaum are the directors of Pontifax Management. Each of Mr. Kariv and Mr. Nussbaum disclaim beneficial ownership of the shares held by the Pontifax Entities and the inclusion of such shares in this Schedule 13G shall not be deemed to be an admission of beneficial ownership of the reported shares.

---

| 1. | Names of Reporting Persons<br>Ran Nussbaum | Names of Reporting Persons<br>Ran Nussbaum |
|:---|:---|:---|:---|
| 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>L3 | Citizenship or Place of Organization<br>L3 |
| 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>3305846.00 |
| 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>3305846.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 |
| 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>6.8% | Percent of Class Represented by Amount in Row (9)<br>6.8% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Consists of (a) 1,759,574 shares held by Pontifax (Israel) V, L.P., (b) 469,982 shares held by Pontifax (Cayman) V, L.P, (c) 683,616 shares held by Pontifax (China) V L.P.; and (d) 392,674 shares held by Pontifax Late Stage L.P. Pontifax VI GP is the general partner of each of the Pontifax Entities. Pontifax Management is the general partner of Pontifax VI GP. Mr. Tomer Kariv and Mr. Ran Nussbaum are the directors of Pontifax Management. Each of Mr. Kariv and Mr. Nussbaum disclaim beneficial ownership of the shares held by the Pontifax Entities and the inclusion of such shares in this Schedule 13G shall not be deemed to be an admission of beneficial ownership of the reported shares.

---

| 1. | Names of Reporting Persons<br>Tomer Kariv | Names of Reporting Persons<br>Tomer Kariv |
|:---|:---|:---|:---|
| 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>L3 | Citizenship or Place of Organization<br>L3 |
| 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>3305846.00 |
| 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>3305846.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>3305846.00 |
| 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>6.8% | Percent of Class Represented by Amount in Row (9)<br>6.8% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Consists of (a) 1,759,574 shares held by Pontifax (Israel) V, L.P., (b) 469,982 shares held by Pontifax (Cayman) V, L.P, (c) 683,616 shares held by Pontifax (China) V L.P.; and (d) 392,674 shares held by Pontifax Late Stage L.P. Pontifax VI GP is the general partner of each of the Pontifax Entities. Pontifax Management is the general partner of Pontifax VI GP. Mr. Tomer Kariv and Mr. Ran Nussbaum are the directors of Pontifax Management. Each of Mr. Kariv and Mr. Nussbaum disclaim beneficial ownership of the shares held by the Pontifax Entities and the inclusion of such shares in this Schedule 13G shall not be deemed to be an admission of beneficial ownership of the reported shares.

---

**Item 1(a). Name of Issuer:**
Agomab Therapeutics NV

**Item 1(b). Address of Issuer's Principal Executive Offices:**
Posthoflei 1/6, Antwerpen, Belgium, 2600

**Item 2(a). Name of Person Filing:**
This Statement is filed on behalf of Pontifax VI G.P. L.P., Pontifax Management 4 G.P. (2015) Ltd., Ran Nussbaum and Tomer Kariv.

**Item 2(b). Address of Principal Business Office:**
The addresses of the Reporting Persons are:
Pontifax VI G.P. L.P. - 14 Shenkar St. Herzliya, 46140, Israel
Pontifax Management 4 G.P. (2015) Ltd. - 14 Shenkar St. Herzliya, 46140, Israel
Ran Nussbaum - 14 Shenkar St. Herzliya, 46140, Israel
Tomer Kariv - 14 Shenkar St. Herzliya, 46140, Israel

**Item 2(c). Citizenship:**
Pontifax VI G.P. L.P. is organized in the State of Israel, Pontifax Management 4 G.P. (2015) Ltd. is incorporated in the State of Israel, and Ran Nussbaum and Tomer Kariv are citizens of the State of Israel.

**Item 2(d). Title of Class of Securities:**
Common Shares, no nominal value 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:**

3,305,846

**(b) Percent of class:**

6.8%

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

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

0

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

3,305,846

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

0

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

3,305,846

**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:**

—

### 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.

**Pontifax VI G.P. L.P.**

**Date:** 04/16/2026

**By:** /s/ Pontifax Management 4 G.P. (2015) Ltd.

**Name & Title:** Pontifax Management 4 G.P. (2015) Ltd./General Partner

**Pontifax Management 4 G.P. (2015) Ltd.**

**Date:** 04/16/2026

**By:** /s/ Ran Nussbaum

**Name & Title:** Ran Nussbaum/Director

**Ran Nussbaum**

**Date:** 04/16/2026

**By:** /s/ Ran Nussbaum

**Name & Title:** Ran Nussbaum

**Tomer Kariv**

**Date:** 04/16/2026

**By:** /s/ Tomer Kariv

**Name & Title:** Tomer Kariv