| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATEC | Common Stock | Tax liability | $504,828 | +34,087 | +6.4% | $14.81 | 564,317 | 17 May 2021 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares withheld by issuer to satisfy tax withholding obligations of reporting person resulting from vesting of restricted stock units. |
| F2 | Includes 220 shares acquired under the issuer's employee stock purchase plan on May 14, 2021. |