| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Janku Filip | Chief Medical Officer | MONTE ROSA THERAPEUTICS, INC., 321 HARRISON AVENUE, SUITE 900, BOSTON | /s/ Markus Warmuth, Attorney-in-Fact | 24 Feb 2026 | 0001862930 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GLUE | Common Stock | Sale | $179,161 | -9,189 | -12% | $19.50 | 65,837 | 23 Feb 2026 | Direct |