| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Allen Matthew Michael | Chief Technical Officer | 13131 DAIRY ASHFORD ROAD, SUITE 500, SUGAR LAND | /s/ Mary K. Newman, Attorney-in-Fact | 18 Dec 2025 | 0002076933 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IESC | Common Stock | Sale | $320,565 | -700 | -39% | $457.95 | 1,098 | 15 Dec 2025 | Direct |