| 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 | 27 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 | $83,232 | -8,643 | -1.6% | $9.63 | 529,892 | 23 Jan 2026 | Direct |