| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Award | $13,170 | +53 | +3.2% | $248.49 | 1,693 | 17 Dec 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 5,505 | 17 Dec 2021 | Direct |