| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Award | $2,270 | +11 | +0.03% | $206.36 | 33,942 | 24 Aug 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 18,614 | 24 Aug 2021 | Direct |