| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McLauchlin Tracy | SVP, CFO & Treasurer | 13131 DAIRY ASHFORD ROAD, SUITE 500, SUGAR LAND | /s/ Mary K. Newman, Attorney-in-Fact | 03 Dec 2025 | 0001456922 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IESC | Common Stock | Sale | $2,057,400 | -5,000 | -7.1% | $411.48 | 65,525 | 02 Dec 2025 | Direct |