| 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 | 02 Sep 2025 | 0001069725 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MAIN | Common Stock | Other | $683 | +10 | +0% | $67.15 | 1,725,547 | 15 Aug 2025 | Direct | F1 |
| transaction | MAIN | Common Stock | Other | $98,343 | +1,465 | +0.08% | $67.15 | 1,727,012 | 15 Aug 2025 | Direct | F1 |
| holding | MAIN | Common Stock | 35,307 | 15 Aug 2025 | MS Trust I | F2 | |||||
| holding | MAIN | Common Stock | 34,557 | 15 Aug 2025 | MS Trust II | F2 | |||||
| holding | MAIN | Common Stock | 34,557 | 15 Aug 2025 | MS Trust III | F2 | |||||
| holding | MAIN | Common Stock | 33,300 | 15 Aug 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 |