| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Global Graphene Group, Inc. | 10%+ Owner | 1240 MCCOOK AVE., DAYTON | /s/Robert Crouch, Vice President of Legal Affairs | 13 Jun 2025 | 0001678511 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STI | Common Stock | Sale | $17,061 | -5,018 | -0.37% | $3.40 | 1,340,013 | 13 Jun 2025 | Direct |