| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Brinker Scott M | President and CEO, Director | 4600 SOUTH SYRACUSE STREET, SUITE 500, DENVER | Carol Samaan, SVP, Legal (Attorney-In-Fact) | 31 Jul 2025 | 0001540329 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DOC | Common Stock | Purchase | $49,986 | +2,930 | +1.4% | $17.06 | 210,416 | 31 Jul 2025 | Direct |