| 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) | 04 Aug 2025 | 0001540329 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DOC | Common Stock | Purchase | $25,077 | +1,490 | +0.71% | $16.83 | 211,906 | 04 Aug 2025 | Direct |