| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DDS | Common Class A | Sale | $57,684 | -400 | -20% | $144.21 | 1,595 | 17 May 2021 | Direct | |
| holding | DDS | Common Class A - Retirement Plan | 5,436 | 17 May 2021 | Direct |