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SEC 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* PERCEPTIVE ADVISORS LLC (Last) (First) (Middle) 51 ASTOR PLACE, 10TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 03/18/2026	3. Issuer Name and Ticker or Trading Symbol Immatics N.V. [ IMTX ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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, nominal value EUR 0.01 per share	10,383,456	I	See Footnote(1)(6)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Director Stock Option (Right to Buy)	(2)	06/30/2030	Ordinary Shares	25,000	$10	I	See Footnote(5)(6)
Director Stock Option (Right to Buy)	(3)	12/08/2031	Ordinary Shares	15,000	$11	I	See Footnote(5)(6)
Director Stock Option (Right to Buy)	06/14/2023	06/13/2032	Ordinary Shares	25,000	$7.94	I	See Footnote(5)(6)
Director Stock Option (Right to Buy)	06/27/2024	06/26/2033	Ordinary Shares	25,000	$11.41	I	See Footnote(5)(6)
Director Stock Option (Right to Buy)	06/25/2025	06/24/2034	Ordinary Shares	40,000	$12	I	See Footnote(5)(6)
Director Stock Option (Right to Buy)	(4)	06/23/2035	Ordinary Shares	41,500	$5.44	I	See Footnote(5)(6)

1. Name and Address of Reporting Person* PERCEPTIVE ADVISORS LLC (Last) (First) (Middle) 51 ASTOR PLACE, 10TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* EDELMAN JOSEPH (Last) (First) (Middle) 51 ASTOR PLACE, 10TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* PERCEPTIVE LIFE SCIENCES MASTER FUND LTD (Last) (First) (Middle) 51 ASTOR PLACE, 10TH FLOOR (Street) NEW YORK NY 10003 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. The securities are directly held by Perceptive Life Sciences Master Fund, Ltd. (the "Master Fund"). Perceptive Advisors, LLC (the "Advisor") serves as the investment advisor to the Master Fund. Joseph Edelman is the managing member of the Advisor.

2. This option was granted on June 30, 2020 and is fully vested.

3. This option was granted on December 9, 2021 and is fully vested.

4. This option was granted on June 24, 2025 and will vest in full on the first anniversary of the grant date.

5. Consists of options to purchase the Issuer's ordinary shares awarded to Adam Stone in connection with his role as a member of the Issuer's board of directors. Mr. Stone is the Chief Investment Officer of the Advisor. The Advisor may be deemed to have an indirect pecuniary interest in the options to purchase common stock of the Issuer reported herein because the Master Fund has the right to receive the director compensation provided in respect of Mr. Stone's board service through a partial management fee offset.

6. The Advisor and Mr. Edelman disclaim, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his or its indirect pecuniary interest therein, and this report shall not be deemed an admission that they are the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

	/s/ Joseph Edelman - for Perceptive Advisors LLC, By: Joseph Edelman, its managing member	03/18/2026
	/s/ Joseph Edelman - for Perceptive Life Sciences Master Fund, Ltd., By: Perceptive Advisors LLC, its investment manager, By: Joseph Edelman, its managing member	03/18/2026
	/s/ Joseph Edelman	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).
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