As of March 23, 2026, the three largest insider holders of ENS are Michael J Schmidtlein (Executive Vice President Cfo, 105.63K shares), Arthur T Katsaros (Director, 99.59K shares), David M Shaffer (Ceo, 77.29K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Michael J Schmidtlein | Executive Vice President Cfo | 105,626 | 0 | 29 Mar, 2022 |
| Arthur T Katsaros | 99,594 | 0 | 16 Jul, 2024 | |
| David M Shaffer | Ceo | 77,285 | 0 | 01 Apr, 2025 |
| Shawn M. O'Connell | President And Ceo | 72,040 | 0 | 30 Dec, 2025 |
| Andrea J. Funk | Evp And Cfo | 58,270 | 0 | 30 Dec, 2025 |
| Paul J Tufano | 50,114 | 0 | 20 Jan, 2026 | |
| Howard I Hoffen | 47,591 | 0 | 30 Dec, 2025 | |
| Robert Magnus | 45,544 | 0 | 02 Jul, 2024 | |
| Hwan-Yoon Chung | 39,926 | 0 | 02 Jul, 2024 | |
| Ronald P Vargo | 35,435 | 0 | 20 Jan, 2026 | |
| Kerry M Kane | Svp, Corp Controller Pao | 28,738 | 0 | 03 Jan, 2023 |
| Joern Tinnemeyer | Sr. Vp Cto | 25,432 | 0 | 31 Dec, 2024 |
| Chad C Uplinger | President Motive Power Global | 23,734 | 0 | 30 Dec, 2025 |
| Andrew M. Zogby | Pres. Energy Systems Global | 21,841 | 0 | 03 Oct, 2023 |
| Mark E. Matthews | Cto And President Specialty | 20,987 | 0 | 30 Dec, 2025 |
| Steven M Fludder | 20,524 | 0 | 30 Dec, 2025 | |
| Keith D. Fisher | Pres. Energy Systems Global | 19,630 | 0 | 10 Feb, 2026 |
| Caroline Chan | 15,677 | 0 | 30 Dec, 2025 | |
| Rudolph W. Wynter | 14,599 | 0 | 20 Jan, 2026 | |
| Nelda J Connors | 13,325 | 0 | 29 Jun, 2021 | |
| Tamara Morytko | 9,968 | 0 | 20 Jan, 2026 | |
| David C Habiger | 5,910 | 0 | 20 Jan, 2026 | |
| Lauren Knausenberger | 5,293 | 0 | 20 Jan, 2026 | |
| Arthur T Katsaros | 0 | 4,818 | 19 Aug, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 07 Feb, 2026 | Keith D. Fisher | Common Stock | D | 557 | $172.22 | 22,411 | D | F |
| 07 Feb, 2026 | Keith D. Fisher | Common Stock | D | 2,781 | $172.22 | 19,630 | D | F |
| 15 Jan, 2026 | Lauren Knausenberger | Common Stock | A | 158 | $167.14 | 5,262 | D | A |
| 15 Jan, 2026 | Rudolph W. Wynter | Common Stock | A | 193 | $167.14 | 14,561 | D | A |
| 15 Jan, 2026 | Ronald P Vargo | Common Stock | A | 40 | $167.14 | 35,427 | D | A |
| 15 Jan, 2026 | David C Habiger | Common Stock | A | 167 | $167.14 | 5,877 | D | A |
| 15 Jan, 2026 | Tamara Morytko | Common Stock | A | 167 | $167.14 | 9,935 | D | A |
| 15 Jan, 2026 | Paul J Tufano | Common Stock | A | 261 | $167.14 | 50,062 | D | A |
| 15 Jan, 2026 | Rudolph W. Wynter | Common Stock | A | 38 | $0.00 | 14,599 | D | A |
| 15 Jan, 2026 | Lauren Knausenberger | Common Stock | A | 31 | $0.00 | 5,293 | D | A |
| 15 Jan, 2026 | Ronald P Vargo | Common Stock | A | 8 | $0.00 | 35,435 | D | A |
| 15 Jan, 2026 | Tamara Morytko | Common Stock | A | 33 | $0.00 | 9,968 | D | A |
| 15 Jan, 2026 | Paul J Tufano | Common Stock | A | 52 | $0.00 | 50,114 | D | A |
| 15 Jan, 2026 | David C Habiger | Common Stock | A | 33 | $0.00 | 5,910 | D | A |
| 26 Dec, 2025 | Howard I Hoffen | Common Stock | A | 77 | $0.00 | 47,586 | D | A |
| 26 Dec, 2025 | Andrea J. Funk | Common Stock | A | 4 | $0.00 | 58,202 | D | A |
| 26 Dec, 2025 | Steven M Fludder | Common Stock | A | 27 | $0.00 | 20,515 | D | A |
| 26 Dec, 2025 | Ronald P Vargo | Common Stock | A | 44 | $0.00 | 35,370 | D | A |
| 26 Dec, 2025 | Chad C Uplinger | Common Stock | A | 2 | $0.00 | 23,715 | D | A |
| 26 Dec, 2025 | Shawn M. O'Connell | Common Stock | A | 3 | $0.00 | 71,976 | D | A |