| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tomasello Shawn | Director | C/O CABALETTA BIO, INC., 2929 ARCH STREET, SUITE 600, PHILADELPHIA | By: /s/ Michael Gerard, as Attorney-in-Fact | 21 Jan 2026 | 0001617239 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CABA | Common Stock | Purchase | $50,322 | +22,725 | $2.21 | 22,725 | 21 Jan 2026 | By Shawn Tomasello Consulting LLC |