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Immatics (IMTX) director entities disclose indirect share and option stakes

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Immatics N.V. received an initial ownership report from investment entities affiliated with Perceptive Advisors. The filing shows that Perceptive Life Sciences Master Fund directly holds 10,383,456 ordinary shares of Immatics, with Perceptive Advisors acting as investment advisor and Joseph Edelman as its managing member.

The report also lists multiple director stock options on Immatics ordinary shares, awarded to Adam Stone for his board service, with exercise prices between $5.44 and $12.00 and expirations from 2030 to 2035. The Master Fund has the right to receive this director compensation through a management fee offset. Perceptive Advisors and Mr. Edelman expressly disclaim beneficial ownership of these securities except to the extent of any indirect pecuniary interest.

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Insider PERCEPTIVE ADVISORS LLC, EDELMAN JOSEPH, PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
Role Director | Director | Director
Type Security Shares Price Value
holding Director Stock Option (Right to Buy) -- -- --
holding Director Stock Option (Right to Buy) -- -- --
holding Director Stock Option (Right to Buy) -- -- --
holding Director Stock Option (Right to Buy) -- -- --
holding Director Stock Option (Right to Buy) -- -- --
holding Director Stock Option (Right to Buy) -- -- --
holding Ordinary Shares, nominal value EUR 0.01 per share -- -- --
Holdings After Transaction: Director Stock Option (Right to Buy) — 25,000 shares (Indirect, See Footnote); Ordinary Shares, nominal value EUR 0.01 per share — 10,383,456 shares (Indirect, See Footnote)
Footnotes (1)
  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. This option was granted on June 30, 2020 and is fully vested. This option was granted on December 9, 2021 and is fully vested. This option was granted on June 24, 2025 and will vest in full on the first anniversary of the grant date. 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. 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.
SEC Form 3
FORM 3UNITED 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
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
PERCEPTIVE ADVISORS LLC

(Last)(First)(Middle)
51 ASTOR PLACE, 10TH FLOOR

(Street)
NEW YORK NEW YORK 10003

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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 share10,383,456ISee 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 ExercisableExpiration DateTitleAmount or Number of Shares
Director Stock Option (Right to Buy) (2)06/30/2030Ordinary Shares25,000$10ISee Footnote(5)(6)
Director Stock Option (Right to Buy) (3)12/08/2031Ordinary Shares15,000$11ISee Footnote(5)(6)
Director Stock Option (Right to Buy)06/14/202306/13/2032Ordinary Shares25,000$7.94ISee Footnote(5)(6)
Director Stock Option (Right to Buy)06/27/202406/26/2033Ordinary Shares25,000$11.41ISee Footnote(5)(6)
Director Stock Option (Right to Buy)06/25/202506/24/2034Ordinary Shares40,000$12ISee Footnote(5)(6)
Director Stock Option (Right to Buy) (4)06/23/2035Ordinary Shares41,500$5.44ISee Footnote(5)(6)
1. Name and Address of Reporting Person*
PERCEPTIVE ADVISORS LLC

(Last)(First)(Middle)
51 ASTOR PLACE, 10TH FLOOR

(Street)
NEW YORK NEW YORK 10003

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% 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 NEW YORK 10003

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% 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 NEW YORK 10003

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirector10% 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 member03/18/2026
/s/ Joseph Edelman - for Perceptive Life Sciences Master Fund, Ltd., By: Perceptive Advisors LLC, its investment manager, By: Joseph Edelman, its managing member03/18/2026
/s/ Joseph Edelman03/18/2026
** Signature of Reporting PersonDate
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 the Immatics (IMTX) Form 3 filed by Perceptive entities show?

The Form 3 lists existing indirect holdings in Immatics by Perceptive Life Sciences Master Fund, including 10,383,456 ordinary shares and director stock options. It establishes their starting beneficial ownership position as board-related investment entities, without recording any new purchases or sales.

Who actually holds the Immatics (IMTX) shares reported in this Form 3?

The ordinary shares are directly held by Perceptive Life Sciences Master Fund Ltd. Perceptive Advisors LLC serves as investment advisor to the Master Fund, and Joseph Edelman is the managing member of the advisor, giving them an indirect economic interest in these holdings.

What director stock options are reported for Immatics (IMTX) in this filing?

The filing lists several director stock options on Immatics ordinary shares with exercise prices from $5.44 to $12.00 and expiration dates between 2030 and 2035. These options were awarded to Adam Stone in connection with his role on the Immatics board of directors.

Why are Adam Stone’s Immatics (IMTX) options attributed to Perceptive entities?

The options are reported as director compensation for Adam Stone, who is Chief Investment Officer of Perceptive Advisors. The Master Fund has the right to receive this director compensation through a partial management fee offset, so the economic benefit flows to the Perceptive fund structure.

Do Perceptive Advisors LLC and Joseph Edelman claim full beneficial ownership of Immatics (IMTX) securities?

No. Perceptive Advisors and Joseph Edelman expressly disclaim beneficial ownership for Section 16 purposes, except to the extent of any indirect pecuniary interest. The disclosure clarifies that their role is primarily as advisor and managing member to the Master Fund holder.

Does this Immatics (IMTX) Form 3 reflect any insider buying or selling activity?

No new buying or selling activity is indicated. All entries are classified as holdings, with buy and sell counts at zero in the transaction summary. The form functions as an initial statement of beneficial ownership rather than a record of recent trades.