// company-profile
Electro Sensors Inc
ELSEExchangeNasdaqSectorIndustrial Instruments For Measurement, Display, and ControlInc.MNFilings7Insiders5
// api This Electro Sensors Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
No insider activity recorded for ELSE in the last 90 days.
Institutional Ownership
Top 13F-HR holders of Electro Sensors Inc as of 2026-03-31
Total reported AUM
$1.8M
QoQ change
—
Reporting period
2026-03-31
#1
CALDWELL SUTTER CAPITAL, INC.
CIK 702007
$1.1M
250K shares
#2
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
$328,781
74K shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$240,532
54K shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Feb 6, 2026 | KLENK DAVID L | ELSE | Option Exercise | 50,000 | $3.41 | $171K |
| Feb 4, 2026 | KLENK DAVID L | ELSE | Option Exercise | 50,000 | $0.00 | $0K |
| Sep 1, 2025 | KLENK DAVID L | ELSE | Option Exercise | 14,000 | $0.00 | $0K |
| Sep 1, 2025 | KLENK DAVID L | ELSE | Option Exercise | 14,000 | — | — |
| Apr 24, 2024 | Gabbard Scott A. | ELSE | Award | 25,000 | $0.00 | $0K |
9 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.