| 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 | 26 Nov 2025 | 0001678511 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STI | Common Stock | Sale | $20,303 | -1,865 | -0.11% | $10.89 | 1,754,148 | 24 Nov 2025 | Direct | |
| transaction | STI | Common Stock | Sale | $51,690 | -4,910 | -0.28% | $10.53 | 1,749,238 | 25 Nov 2025 | Direct | |
| transaction | STI | Common Stock | Sale | $33,516 | -3,225 | -0.18% | $10.39 | 1,746,013 | 26 Nov 2025 | Direct |