| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | Director | 51 ASTOR PLACE, 10TH FLOOR, NEW YORK | /s/ Joseph Edelman - for Perceptive Advisors LLC, By: Joseph Edelman, its managing member | 18 Mar 2026 | 0001224962 |
| EDELMAN JOSEPH | Director | 51 ASTOR PLACE, 10TH FLOOR, NEW YORK | /s/ Joseph Edelman - for Perceptive Life Sciences Master Fund, Ltd., By: Perceptive Advisors LLC, its investment manager, By: Joseph Edelman, its managing member | 18 Mar 2026 | 0001164426 |
| PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | Director | 51 ASTOR PLACE, 10TH FLOOR, NEW YORK | /s/ Joseph Edelman | 18 Mar 2026 | 0001249675 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | IMTX | Ordinary Shares, nominal value EUR 0.01 per share | 10,383,456 | 18 Mar 2026 | See Footnote | F1, F6 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 25,000 | $10.00 | See Footnote | F2, F5, F6 | ||||||
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 15,000 | $11.00 | See Footnote | F3, F5, F6 | ||||||
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 25,000 | $7.94 | See Footnote | F5, F6 | ||||||
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 25,000 | $11.41 | See Footnote | F5, F6 | ||||||
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 40,000 | $12.00 | See Footnote | F5, F6 | ||||||
| holding | IMTX | Director Stock Option (Right to Buy) | 18 Mar 2026 | Ordinary Shares | 41,500 | $5.44 | See Footnote | F4, F5, F6 |
| Id | Content |
|---|---|
| F1 | 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. |
| F2 | This option was granted on June 30, 2020 and is fully vested. |
| F3 | This option was granted on December 9, 2021 and is fully vested. |
| F4 | This option was granted on June 24, 2025 and will vest in full on the first anniversary of the grant date. |
| F5 | 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. |
| F6 | 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. |