Electro Sensors's top three insider shareholders as of March 23, 2026 are Jeffrey Dean Peterson (Director, 353.44K shares), Joseph A Marino (Director, 2.50K shares), Michael C. Zipoy (Director, 2.50K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jeffrey Dean Peterson | 353,438 | 0 | 18 Jul, 2022 | |
| Joseph A Marino | 2,500 | 0 | 21 Jul, 2022 | |
| Michael C. Zipoy | 2,500 | 0 | 18 Jul, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 24 Apr, 2024 | Scott A. Gabbard | Stock Option (Right-to-Buy) | A | 25,000 | $0.00 | 25,000 | D | A |
| 28 Aug, 2023 | Michael C. Zipoy | Stock Option (Right-to-Buy) | A | 25,000 | $0.00 | 25,000 | D | A |
| 28 Aug, 2023 | Joseph A Marino | Stock Option (Right-to-Buy) | A | 25,000 | $0.00 | 25,000 | D | A |
| 28 Aug, 2023 | David L Klenk | Stock Option (Right-to-Buy) | A | 25,000 | $0.00 | 25,000 | D | A |
| 01 Sep, 2023 | Scott A. Gabbard | Restricted Stock Units | A | 17,500 | $0.00 | 17,500 | D | A |
| 28 Aug, 2023 | Jeffrey Dean Peterson | Stock Option (Right-to-Buy) | A | 25,000 | $0.00 | 25,000 | D | A |
| 01 Sep, 2023 | David L Klenk | Restricted Stock Units | A | 35,000 | $0.00 | 35,000 | D | A |
| 01 Sep, 2023 | Joseph A Marino | Restricted Stock Units | A | 17,500 | $0.00 | 17,500 | D | A |
| 01 Sep, 2023 | Jeffrey Dean Peterson | Restricted Stock Units | A | 17,500 | $0.00 | 17,500 | D | A |
| 01 Sep, 2023 | Michael C. Zipoy | Restricted Stock Units | A | 17,500 | $0.00 | 17,500 | D | A |
| 15 Jul, 2022 | Joseph A Marino | Common Stock | A | 2,500 | $4.15 | 2,500 | D | M |
| 15 Jul, 2022 | Joseph A Marino | Stock Option (Right-to-Buy) | D | 2,500 | $0.00 | 0 | D | M |
| 15 Jul, 2022 | Jeffrey Dean Peterson | Common Stock | A | 2,500 | $4.15 | 353,438 | D | M |
| 15 Jul, 2022 | Jeffrey Dean Peterson | Stock Option (Right-to-Buy) | D | 2,500 | $0.00 | 0 | D | M |
| 15 Jul, 2022 | Michael C. Zipoy | Common Stock | A | 2,500 | $4.15 | 2,500 | D | M |
| 15 Jul, 2022 | Michael C. Zipoy | Stock Option (Right-to-Buy) | D | 2,500 | $0.00 | 0 | D | M |
| 30 Dec, 2021 | Of Nancy P. Peterson Estate | Common Stock | D | 1,004,464 | $0.00 | 0 | D | W |
| 30 Dec, 2021 | Jeffrey Dean Peterson | Common Stock | D | 1,004,464 | $0.00 | 0 | I | W |
| 30 Dec, 2021 | Jeffrey Dean Peterson | Common Stock | A | 200,892 | $0.00 | 350,938 | D | W |
| 15 May, 2019 | Michael C. Zipoy | Common Stock | A | 400 | $3.56 | 5,400 | I | P |