| 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 | 28 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 | $29,026 | -3,138 | -0.59% | $9.25 | 526,754 | 26 Jan 2026 | Direct |