| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dunn Edmund | Principal Accounting Officer | MONTE ROSA THERAPEUTICS, INC., 321 HARRISON AVENUE, SUITE 900, BOSTON | /s/ Phil Nickson, Attorney-in-Fact | 05 Mar 2026 | 0001989401 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GLUE | Common Stock | Sale | $2,496 | -139 | -0.61% | $17.96 | 22,554 | 04 Mar 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. These sales were automatic and not in the discretion of the Reporting Person. |