| 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 Feb 2026 | 0001236849 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MAIN | Common Stock | Other | $4,730 | +76 | +0.09% | $62.27 | 80,710 | 15 Jan 2026 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $12,109 | +189 | +0.23% | $64.20 | 80,898 | 15 Jan 2026 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $503 | +8 | +0.4% | $62.90 | 1,990 | 15 Jan 2026 | By Wife | 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. |