As of June 06, 2026, the three largest insider holders of IESC are Jeffrey L Et Al Gendell (Executive Chairman, 10.77Mn shares), Jeffrey L Et Al Gendell (Executive Chairman, 10.59Mn shares), Matthew J Simmes (President And Ceo, 93.58K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jeffrey L Et Al Gendell | Executive Chairman | 0 | 10,769,717 | 17 Sep, 2025 |
| Holdings, Inc. Ies | - | 87,180 | 0 | 14 Aug, 2025 |
| Jennifer A Baldock | - | 5,579 | 0 | 02 Apr, 2026 |
| Joseph L Iii Dowling | - | 58,408 | 0 | 04 Oct, 2021 |
| Todd M Cleveland | - | 78,374 | 0 | 02 Apr, 2026 |
| David B. Gendell | - | 70,787 | 0 | 02 Apr, 2026 |
| Tracy Mclauchlin | Svp, Cfo Treasurer | 65,525 | 0 | 03 Dec, 2025 |
| Joe D Koshkin | - | 44,856 | 0 | 02 Apr, 2026 |
| Elizabeth Leykum | - | 4,896 | 0 | 02 Jul, 2024 |
| Kelly Janzen | - | 229 | 0 | 02 Apr, 2026 |
| Alison M Petersen | Vp Chief Accounting Officer | 3,406 | 0 | 09 Jun, 2023 |
| Mary K Newman | Svp, Cao And General Counsel | 21,843 | 0 | 12 Dec, 2025 |
| Matthew J Simmes | President And Ceo | 93,575 | 0 | 20 Feb, 2026 |
| John Louis Fouts | - | 8,419 | 0 | 02 Apr, 2026 |
| Matthew Michael Allen | Chief Technical Officer | 1,098 | 0 | 18 Dec, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | John Louis Fouts | Common Stock | A | 107 | $0.00 | 8,419 | D | A |
| 01 Apr, 2026 | Kelly Janzen | Common Stock | A | 53 | $0.00 | 229 | D | A |
| 01 Apr, 2026 | Joe D Koshkin | Common Stock | A | 60 | $0.00 | 44,856 | D | A |
| 01 Apr, 2026 | David B. Gendell | Common Stock | A | 53 | $0.00 | 70,787 | D | A |
| 01 Apr, 2026 | Joe D Koshkin | Common Stock | A | 60 | $0.00 | 44,856 | D | A |
| 01 Apr, 2026 | Jennifer A Baldock | Common Stock | A | 56 | $0.00 | 5,579 | D | A |
| 01 Apr, 2026 | Todd M Cleveland | Common Stock | A | 57 | $0.00 | 78,374 | D | A |
| 02 Mar, 2026 | Todd M Cleveland | Common Stock | D | 200 | $513.54 | 80,617 | D | S |
| 03 Mar, 2026 | Todd M Cleveland | Common Stock | D | 575 | $500.52 | 80,042 | D | S |
| 03 Mar, 2026 | Todd M Cleveland | Common Stock | D | 100 | $501.50 | 79,714 | D | S |
| 03 Mar, 2026 | Todd M Cleveland | Common Stock | D | 200 | $502.70 | 79,514 | D | S |
| 04 Mar, 2026 | Todd M Cleveland | Common Stock | D | 825 | $500.28 | 78,689 | D | S |
| 04 Mar, 2026 | Todd M Cleveland | Common Stock | D | 400 | $501.36 | 78,289 | D | S |
| 04 Mar, 2026 | Todd M Cleveland | Common Stock | D | 200 | $502.10 | 78,089 | D | S |
| 24 Feb, 2026 | Todd M Cleveland | Common Stock | D | 181 | $520.25 | 85,636 | D | S |
| 25 Feb, 2026 | Todd M Cleveland | Common Stock | D | 2,144 | $510.32 | 83,492 | D | S |
| 25 Feb, 2026 | Todd M Cleveland | Common Stock | D | 600 | $511.39 | 82,892 | D | S |
| 25 Feb, 2026 | Todd M Cleveland | Common Stock | D | 375 | $521.00 | 82,517 | D | S |
| 26 Feb, 2026 | Todd M Cleveland | Common Stock | D | 714 | $510.26 | 81,803 | D | S |
| 26 Feb, 2026 | Todd M Cleveland | Common Stock | D | 586 | $511.15 | 81,217 | D | S |