IMTX

SEC source: 0001193125-26-371237 · ownership.xml · nonDerivative · entry 1

PERCEPTIVE ADVISORS LLC · CIK 0001224962 · Director

EDELMAN JOSEPH · CIK 0001164426 · Director

PERCEPTIVE LIFE SCIENCES MASTER FUND LTD · CIK 0001249675 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 11,246,516

F1 · ownership.nature: The securities are directly held by Perceptive Life Sciences Master Fund Ltd. (the "Master Fund"). Perceptive Advisors LLC (the "Advisor") serves as the investment manager to the Master Fund. Joseph Edelman is the managing member of the Advisor. Each of Mr. Edelman and the Advisor disclaims, for purposes of Section 16 of the Securities Exchange Act of 1934, beneficial ownership of such securities, except to the extent of his/its indirect pecuniary interest therein, and this report shall not be deemed an admission that either Mr. Edelman or the Advisor is the beneficial owner of such securities for purposes of Section 16 or for any other purposes.

SEC source: 0000950103-26-012582 · ownership.xml · derivative · entry 2

Pepin James Nelson · CIK 0002147684 · Gen Counsel and Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,800

Underlying: Ordinary Shares · 43,800 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one ordinary share of Immatics.

F3 · derivative.exercise_date: The RSUs vest in four equal annual installments on each anniversary of the grant date, August 14, 2026.

F3 · derivative.expiration_date: The RSUs vest in four equal annual installments on each anniversary of the grant date, August 14, 2026.

SEC source: 0000950103-26-012582 · ownership.xml · derivative · entry 1

Pepin James Nelson · CIK 0002147684 · Gen Counsel and Corp Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,200

Underlying: Ordinary Shares · 181,200 shares

Expires 2036-08-13

F1 · derivative.exercise_date: The options vest 25% on the first anniversary of the grant date, August 14, 2026 and then in 12 equal quarterly installments over the following three years.

SEC source: 0000950103-26-009251 · ownership.xml · derivative · entry 1

Stone Adam Leo · CIK 0001727440 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009244 · ownership.xml · derivative · entry 1

REICIN ALISE · CIK 0001757533 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009243 · ownership.xml · derivative · entry 1

ATIEH MICHAEL G · CIK 0001072501 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009242 · ownership.xml · derivative · entry 1

Carter Paul Rutherford · CIK 0001600041 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009241 · ownership.xml · derivative · entry 1

Forster Eliot · CIK 0001831558 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009239 · ownership.xml · derivative · entry 1

Chambre Peter Alan · CIK 0002109092 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0000950103-26-009235 · ownership.xml · derivative · entry 1

Mason Heather L · CIK 0001432601 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.

SEC source: 0001193125-26-275960 · ownership.xml · derivative · entry 1

PERCEPTIVE ADVISORS LLC · CIK 0001224962 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: This option was granted on June 16, 2026 and will vest in full on the first anniversary of the grant date.

F2 · ownership.nature: 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.

F3 · ownership.nature: 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 source: 0000950103-26-009234 · ownership.xml · derivative · entry 1

Hothum Mathias · CIK 0001918385 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Ordinary Shares · 48,000 shares

Expires 2036-06-15

F1 · derivative.exercise_date: These Options vest 100% on the first anniversary of the grant date, June 16, 2026.