| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Leon Justin M | SVP, CORPORATE DEVELOPMENT | 500 CUMMINGS CENTER, SUITE 2450, BEVERLY | /s/ Andy Fienberg, Attorney-in-Fact | 16 Mar 2026 | 0001933213 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATNI | Common Stock | Tax liability | -903 | -2.1% | $24.65* | 41,118 | 12 Mar 2026 | Direct | F1 | |
| transaction | ATNI | Common Stock | Tax liability | -1,671 | -4.1% | $24.49* | 39,447 | 13 Mar 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Restricted Stock Units. |
| F2 | Refer to existing footnote (1) |