SEC FORM 3

SEC FORM 3SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Jahreis Angelika Martha

(Last)

(First)

(Middle)

AGOMAB THERAPEUTICS NV

POSTHOFLEI 1/6

(Street)

ANTWERPEN

2600

(City)

(State)

(Zip)

BELGIUM

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Agomab Therapeutics NV [ AGMB ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽¹⁾	10/10/2033	Common shares⁽²⁾	94,438	$3.1⁽³⁾	D
Stock Option (Right to Buy)	⁽⁴⁾	07/08/2034	Common shares⁽²⁾	1,884	$2.81⁽³⁾	D
Stock Option (Right to Buy)	⁽⁴⁾	11/04/2034	Common shares⁽²⁾	27,165	$5.26⁽³⁾	D
Stock Option (Right to Buy)	⁽⁵⁾	01/15/2036	Common shares⁽²⁾	31,505	$14.26⁽³⁾	D

Explanation of Responses:

1. The shares underlying this option are fully vested and exercisable.

2. The common shares may be represented by American Depositary Shares, each of which currently represents one common share.

3. The exercise prices are reported in U.S. dollars and reflect the conversion from EUR to USD at an exchange rate of $1.1478 per EUR 1.00 as of March 16, 2026.

4. 50% of the shares underlying this option vested on February 9, 2026, with the remainder vesting in twenty-four equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

5. 33% of the shares underlying this option shall vest on February 9, 2027, with the remainder vesting in twenty-four equal monthly installments thereafter, subject to the Reporting Person's continued service on each such vesting date.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Ellen Lefever, Attorney-in-Fact	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

SEC Form 3 filed by new insider Jahreis Angelika Martha