| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATEC | Common Stock | Tax liability | $281,559 | -34,087 | -5.5% | $8.26 | 580,409 | 17 May 2022 | 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 1,445 shares acquired under issuer's employee stock purchase plan on May 13, 2022. |