| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GOLDSTEIN DOV A MD | Director | 5850 SAN FELIPE ST., SUITE 500, HOUSTON, | /s/ David Snyder, Attorney-in-Fact | 2025-08-19 | 0001120478 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COYA | Common Stock, par value $0.0001 per share | Options Exercise | $19.1K | +17.6K | +175.57% | $1.09 | 27.6K | Aug 18, 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COYA | Stock Option (right to buy) | Options Exercise | $0 | -17.6K | -100% | $0.00 | 0 | Aug 18, 2025 | Common Stock | 17.6K | $1.09 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This option is fully vested. |