Figures computed from official regulatory filings — .
Ownershipinsiders 53.18% · institutions 11.43% · short 0.0% of float
In USD · as of Oct 5, 2026
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Electro-Sensors, Inc. manufactures and sells industrial production monitoring and process control systems. The company offers monitoring and control systems that measure machine production and operation rates, as well as regulate the speed of related machines in production processes. Its speed monitoring systems include alarm systems; tachometers; various products that measure production counts or rates, such as parts, gallons, or board feet; and other devices that translate impulses from the sensors into alarm signals. The company's temperature application products consist of bearing, gear box, and motor temperature monitoring sensors. It also offers production monitoring devices that include a belt alignment and slide gate position monitors; vibration monitoring products; and tilt switches. In addition, the company provides hazard monitoring systems, such as Electro-Sentry, which integrates its sensors for monitoring temperature, belt alignment, and shaft speed with programmable control logic; HazardPRO, a wireless hazard technology monitoring system; and HazardPRO site system manager software. It serves grain, feed, milling, bulk materials, manufacturing, food products, ethanol, power generation, and other processing industries. The company sells its products through internal sales team, manufacturer's representatives, and distributors in the United States, Canada, Mexico, Brazil, Chile, United Kingdom, Egypt, India, Australia, China, the Republic of Korea, Vietnam, Malaysia, Philippines, Thailand, and Singapore. Electro-Sensors, Inc. was incorporated in 1968 and is headquartered in Minnetonka, Minnesota.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
184 buys33 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| KLENK DAVID L | Exercise | $170.5K | Unusual size | SEC |
| KLENK DAVID L | Exercise | n/a (No price was disclosed in the filing) | SEC |
| KLENK DAVID L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| KLENK DAVID L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gabbard Scott A. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| KLENK DAVID L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Jeffrey Dean | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Jeffrey Dean | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zipoy Michael C.track record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gabbard Scott A. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MARINO JOSEPH A | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zipoy Michael C.track record | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MARINO JOSEPH A | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| KLENK DAVID L | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MARINO JOSEPH A | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MARINO JOSEPH A | Exercise | $10.4K | SEC |
| Peterson Jeffrey Dean | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Zipoy Michael C.track record | Exercise | $10.4K | SEC |
| Peterson Jeffrey Dean | Exercise | $10.4K | SEC |
| Zipoy Michael C.track record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Lynne Elizabeth | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Lynne Elizabeth | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Jeffrey Dean | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Lynne Elizabeth | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Peterson Lynne Elizabeth | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |