| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATRA | Common Stock | Sale | $231,660 | -14,194 | -4% | $16.32* | 345,114 | 25 Jun 2021 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares sold pursuant to a 10b5-1 arrangement to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units. |