| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| FOSTER VINCENT D | Director | 1300 POST OAK BLVD, 8TH FLOOR, HOUSTON | /s/ Jason B. Beauvais, Attorney-in-Fact | 13 Jan 2026 | 0001069725 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MAIN | Common Stock | Other | $698 | +11 | +0% | $62.05 | 1,732,044 | 15 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $74,485 | +1,200 | +0.07% | $62.05 | 1,733,244 | 15 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $824 | +14 | +0% | $60.77 | 1,733,257 | 29 Dec 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $87,989 | +1,448 | +0.08% | $60.77 | 1,734,705 | 29 Dec 2025 | Direct | F1 |
| holding | MAIN | Common Stock | 35,307 | 15 Dec 2025 | MS Trust I | F2 | |||||
| holding | MAIN | Common Stock | 34,557 | 15 Dec 2025 | MS Trust II | F2 | |||||
| holding | MAIN | Common Stock | 34,557 | 15 Dec 2025 | MS Trust III | F2 | |||||
| holding | MAIN | Common Stock | 33,300 | 15 Dec 2025 | MS Trust V | F2 |
| 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. |
| F2 | Family trust |