Immatics (IMTX) director Michael G. Atieh reports stock option positions

Rhea-AI Filing Summary

Immatics N.V. director Michael G. Atieh filed an initial ownership report showing he holds several stock option awards over Immatics ordinary shares. The filing lists six option grants with exercise prices ranging from 5.44 to 12.00 and expirations between 2030 and 2035.

The footnotes state that some of these options are fully vested, while others vest 100% on June 24, 2025. The report only details existing derivative holdings and does not show any purchases or sales of Immatics shares.

Insider Trade Summary

6 transactions reported

Mixed 6 txns

Insider ATIEH MICHAEL G

Role Director

Type	Security	Shares	Price	Value
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--
holding	Stock Option (Right to Buy)	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 25,000 shares (Direct)

Footnotes (1)

1. These options to purchase ordinary shares of the Issuer (each such option, an "Option") are fully vested. These Options vest 100% on the first anniversary of the grant date, June 24, 2025.

Understanding Insider Trading Forms →

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^*

ATIEH MICHAEL G

(Last) (First) (Middle)

PAUL-EHRLICH-STR. 15

(Street)

TUBINGEN 72076

(City) (State) (Zip)

UNITED STATES

(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)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(1)	06/30/2030	Ordinary Shares	25,000	$10	D
Stock Option (Right to Buy)	(1)	12/08/2031	Ordinary Shares	15,000	$11	D
Stock Option (Right to Buy)	(1)	06/13/2032	Ordinary Shares	25,000	$7.94	D
Stock Option (Right to Buy)	(1)	06/26/2033	Ordinary Shares	25,000	$11.41	D
Stock Option (Right to Buy)	(1)	06/24/2034	Ordinary Shares	40,000	$12	D
Stock Option (Right to Buy)	(2)	06/23/2035	Ordinary Shares	41,500	$5.44	D

Explanation of Responses:

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

2. These Options vest 100% on the first anniversary of the grant date, June 24, 2025.

Remarks:

Exhibit List - Exhibit 24.1 - Power of Attorney

	/s/ Edward Sturchio, attorney-in-fact for Michael G. Atieh	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)

FAQ

What does Michael G. Atieh’s Form 3 filing show for Immatics (IMTX)?

The filing shows director Michael G. Atieh’s initial holdings of Immatics stock options. It lists six option grants over ordinary shares with different exercise prices and expiration dates, providing a snapshot of his derivative-based exposure rather than any recent share purchases or sales.

How many Immatics (IMTX) stock options are detailed in Michael G. Atieh’s holdings?

The Form 3 outlines six separate stock option positions over Immatics ordinary shares. These include grants covering 25,000 shares at 10.00, 15,000 at 11.00, 25,000 at 7.94, 25,000 at 11.41, 40,000 at 12.00 and 41,500 at 5.44 exercise price.

What are the exercise price ranges of Michael G. Atieh’s Immatics (IMTX) options?

His reported stock options have exercise prices between 5.44 and 12.00 per ordinary share. This range reflects multiple grant dates and award structures, shaping how valuable these options could become depending on Immatics’ future trading price relative to each strike level.

When do Michael G. Atieh’s Immatics (IMTX) stock options expire?

The options in the filing carry long-dated expirations ranging from June 30, 2030, through June 23, 2035. These extended terms give the director multi‑year potential to exercise the awards, depending on vesting status and Immatics’ share price performance over that period.

What do the vesting footnotes in Michael G. Atieh’s Immatics (IMTX) Form 3 indicate?

One footnote states certain options are already fully vested. Another explains a separate grant vests 100% on the first anniversary of its grant date, June 24, 2025. Together, they clarify that some awards are currently exercisable while others become exercisable after that vesting date.

Does Michael G. Atieh’s Immatics (IMTX) Form 3 report any share purchases or sales?

The report does not list any buy or sell transactions in Immatics shares. Instead, it functions as an initial statement of beneficial ownership, detailing existing stock option awards and their key terms without recording market trades or changes in common share holdings.