| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Khoja Hamid | Chief Scientific Officer | C/O FIBROBIOLOGICS, INC., 455 E. MEDICAL CENTER BLVD., SUITE 300, HOUSTON, | /s/ Hamid Khoja | 05 Mar 2026 | 0002010662 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FBLG | Common Stock | Purchase | $11,400 | +30,000 | +96% | $0.3800 | 61,250 | 04 Mar 2026 | Direct |