| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Palmer Ben M | President and CEO, Director | 2801 BUFORD HIGHWAY NE, SUITE 300, ATLANTA | /s/ Ben M. Palmer | 30 Jan 2026 | 0001130208 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPX | Common Stock $.10 Par Value | Tax liability | $84,564 | -8,958 | -1.5% | $9.44 | 603,096 | 28 Jan 2026 | Direct |