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^*

Walter Steffen Martin

(Last)

(First)

(Middle)

PAUL-EHRLICH-STR. 15

(Street)

TUBINGEN

72076

(City)

(State)

(Zip)

GERMANY

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
Immatics N.V. [ IMTX ]

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)

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

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)
Ordinary Shares	10,000	D

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⁾	07/01/2027	Ordinary Shares	8,955	$1.06	D
Stock Option (Right to Buy)	⁽¹⁾	06/30/2030	Ordinary Shares	125,604	$10	D
Stock Option (Right to Buy)	⁽²⁾	06/30/2030	Ordinary Shares	255,000	$10	D
Stock Option (Right to Buy)	⁽¹⁾	12/17/2030	Ordinary Shares	49,000	$9.68	D
Stock Option (Right to Buy)	⁽¹⁾	12/08/2031	Ordinary Shares	98,000	$11	D
Stock Option (Right to Buy)	⁽³⁾	12/12/2032	Ordinary Shares	112,500	$9.75	D
Stock Option (Right to Buy)	⁽⁴⁾	12/04/2033	Ordinary Shares	115,000	$9.06	D
Stock Option (Right to Buy)	⁽⁵⁾	12/02/2034	Ordinary Shares	150,000	$8.06	D
Stock Option (Right to Buy)	⁽⁶⁾	01/07/2036	Ordinary Shares	200,000	$9.32	D
Restricted Stock Units	⁽⁷⁾	⁽⁷⁾	Ordinary Shares	50,000	$0	D

Explanation of Responses:

1. These options to purchase ordinary shares of the Issuer ("Ordinary Shares," and each such option, an "Option") are fully vested.

2. These Options are eligible to be earned based on the achievement of specified market capitalization performance hurdles and service-vesting conditions. The service-vesting conditions are satisfied as to 25% of the Options on the first anniversary of the grant date, June 30, 2020, and 6.25% of the Options on each quarterly anniversary of such date over the following three years.

3. These Options vest 25% on the first anniversary of the grant date, December 13, 2022, then in 12 equal quarterly installments over the following three years.

4. These Options vest 25% on the first anniversary of the grant date, December 5, 2023, then in 12 equal quarterly installments over the following three years.

5. These Options vest 25% on the first anniversary of the grant date, December 3, 2024, then in 12 equal quarterly installments over the following three years.

6. These Options vest 25% on the first anniversary of the grant date, January 8, 2026, then in 12 equal quarterly installments over the following three years.

7. Each restricted stock unit ("RSU") represents a contingent right to receive one Ordinary Share. These RSUs vest in four equal annual installments on each anniversary of the grant date, January 8, 2026.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

	/s/ Edward Sturchio, attorney-in-fact for Steffen Martin Walter	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 Walter Steffen Martin