| Type | Sym | Class | Transaction | Value $ | Shares | Change % | Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATRA | Common Stock | Sale | -$38.8K | -19K | -6.45% | $2.04 | 276K | May 16, 2023 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares sold automatically to satisfy tax withholding obligations in connection with the vesting of previously granted restricted stock units, pursuant to a sale-to-cover provision in the award agreement. |
| F2 | The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on May 16, 2023 and May 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee. |