| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GIUSTRA FRANK | 10%+ Owner | 17 CHESTER ROW, LONDON,, UNITED KINGDOM | /s/ Giustra Frank | 15 Sep 2025 | 0001233215 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STEX | Common Stock | Purchase | $23.1K | +4.98K | $4.64 | 4.98K | 25 Jul 2025 | 4,975 | F1 | |
| transaction | STEX | Common Stock | Purchase | $53.1K | +11.4K | $4.66 | 11.4K | 25 Jul 2025 | 16,374 | F1 | |
| transaction | STEX | Common Stock | Purchase | $30.1K | +6.42K | $4.69 | 6.42K | 25 Jul 2025 | 22,798 | F1 | |
| transaction | STEX | Common Stock | Purchase | $128K | +27.2K | $4.72 | 27.2K | 25 Jul 2025 | 50,000 | F1 | |
| transaction | STEX | Common Stock | Purchase | $500K | +128K | $3.90 | 128K | 14 Aug 2025 | 178,205 | F1 |
| Id | Content |
|---|---|
| F1 | The securities reported herein are held by Sestini & Co., an entity controlled by the Reporting Person, and therefore beneficially owned by the Reporting Person. |