| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| KONSTANSKI DANIEL | Vice President of Engineering | 607 S. CLAYTON STREET, WILMINGTON | Daniel W. Konstanski | 18 Sep 2025 | 0001950133 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ARTNA | Restricted Stock Grant | Award | $24.1K | +750 | $32.08 | 750 | 16 Sep 2025 | Class A Non-voting Common Stock | 750 | $0.00 | Direct |