| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vitti Sharon | Chief Executive Officer, Director | C/O ATI HOLDINGS, LLC, 2001 BUTTERFIELD RD., SUITE 1600, DOWNERS GROVE | /s/ Erik Kantz as Attorney-in-Fact for Reporting Person | 14 May 2025 | 0001927109 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATIP | Class A Common Stock | Tax liability | $1,377 | -1,611 | -1.9% | $0.8550 | 84,305 | 12 May 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares withheld by the Issuer to satisfy tax withholding obligations upon vesting. The Reporting Person was granted Restricted Stock Units (RSUs) which vest annually. There are 34,314 unvested RSUs. |