| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Marques Tiago | Chief Executive Officer, Director | 1111 LINCOLN ROAD, SUITE 500, MIAMI BEACH | /s/ Dr. Tiago Reis Marques | 01 Dec 2025 | 0001875240 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KTTA | Common Stock | Purchase | $25,000 | +33,333 | +83% | $0.7500 | 73,334 | 28 Nov 2025 | Direct |