| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Award | $1,601 | +9 | +0.03% | $177.93 | 33,931 | 03 Aug 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 18,609 | 03 Aug 2021 | Direct |