| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HUBBELL RICHARD A | Executive Chairman of Board, Director | 2801 BUFORD HIGHWAY, NE, SUITE 300, ATLANTA | /s/ Richard A. Hubbell | 30 Jan 2026 | 0001130203 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPX | Common Stock $.10 Par Value | Tax liability | $48,767 | -5,166 | -0.39% | $9.44 | 1,316,299 | 28 Jan 2026 | Direct |