| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Thomas John T | Director | 4600 SOUTH SYRACUSE STREET, SUITE 500, DENVER | Carol Samaan, SVP, Legal (Attorney-In-Fact) | 2025-08-06 | 0001454164 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DOC | Common Stock | Purchase | $24.7K | +1.45K | +0.18% | $17.06 | 810K | Aug 6, 2025 | Direct | |
| holding | DOC | Common Stock | 58 | Aug 6, 2025 | By Child 7 |