| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Award | $3,872 | +17 | +0.6% | $227.74 | 2,870 | 25 Oct 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 2,986 | 25 Oct 2021 | Direct |