| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Award | $534 | +3 | +0.05% | $177.93 | 5,517 | 03 Aug 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 12,034 | 03 Aug 2021 | Direct |