| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATRA | Common Stock | Sale | -$52.5K | -3.5K | -2.77% | $15.00* | 123K | 30 Aug 2021 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Transaction pursuant to Rule 10b5-1 Plan adopted September 14, 2020. |