| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gendell David B. | Director | 13131 DAIRY ASHFORD ROAD, SUITE 500, SUGAR LAND | /s/ Mary K. Newman, Attorney-in-Fact | 12 Dec 2025 | 0001408176 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IESC | Common Stock | Sale | $8,079,457 | -17,867 | -20% | $452.20 | 70,669 | 10 Dec 2025 | Direct | F1 |
| holding | IESC | Common Stock | 40,000 | 10 Dec 2025 | Held in Family Trust | ||||||
| holding | IESC | Common Stock | 6,000 | 10 Dec 2025 | Held in IRA |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $451.88 to $452.51, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |