| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| JACKSON JOHN EARL | Director | 1300 POST OAK BLVD, 8TH FLOOR, HOUSTON | /s/ Jason B. Beauvais, Attorney-in-Fact | 13 Jan 2026 | 0001236849 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MAIN | Common Stock | Other | $4,597 | +74 | +0.09% | $62.05 | 80,118 | 15 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $11,767 | +194 | +0.24% | $60.77 | 80,312 | 15 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $483 | +8 | +0.41% | $60.40 | 1,982 | 15 Dec 2025 | By Wife | F1 |
| transaction | MAIN | Common Stock | Other | $5,430 | +89 | +0.11% | $60.77 | 80,401 | 29 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $13,902 | +233 | +0.29% | $59.75 | 80,634 | 29 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reporting person acquired these shares under a dividend reinvestment plan, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11. |