Figures computed from official regulatory filings — .
Ownershipinsiders 36.39% · institutions 0%
In USD · as of Oct 5, 2026
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Electronic Systems Technology, Inc., doing business as ESTeem Wireless Modems, designs, develops, manufactures, and markets industrial wireless products and accessories in the United States and internationally. The company's ESTeem industrial wireless products provide communication links between computer networks, network enabled devices, and mobile devices without cables. It also offers data radio products for process automation in commercial, industrial, and government arenas, as well as various accessories, such as antennas, power supplies, and cable assemblies. In addition, the company provides repair and upgrade services; and professional services, such as site survey testing, system start-up, and custom engineering. Its products are used in various applications, including water/wastewater, oil/gas, mining, and industrial automation. It markets its products through direct sales, sales representatives, and domestic, as well as foreign, resellers. The company was incorporated in 1984 and is based in Kennewick, Washington.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
34 buys20 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Eller Michael William | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $17.9K | conv 43First in 12mo | SEC |
| Zeff Capital, LPtrack record | Sell | $52.1K | SEC |
| KORNELSEN VERN Dtrack record | Buy | $31.3K | conv 39First in 12mo | SEC |
| Deinard Theodore | Sell | $650 | SEC |
| Deinard Theodore | Sell | $101.3K | Unusual size | SEC |
| Deinard Theodore | Sell | $10.6K | Unusual size | SEC |
| Deinard Theodore | Other | n/a (No price was disclosed in the filing) | SEC |
| Deinard Theodore | Sell | $206.2 | SEC |
| Deinard Theodore | Sell | $104.8 | SEC |
| Deinard Theodore | Sell | $780 | SEC |
| Deinard Theodore | Other | n/a (No price was disclosed in the filing) | SEC |
| Deinard Theodore | Sell | $11.7K | SEC |
| Deinard Theodore | Sell | $1K | SEC |
| Deinard Theodore | Sell | $1K | SEC |
| Deinard Theodore | Sell | $6.4K | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $410 | conv 14 | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $12K | conv 17 | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $2K | conv 19 | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $12.3K | conv 17 | SEC |
| KORNELSEN VERN Dtrack record | Buy | $4.6K | conv 23 | SEC |
| KORNELSEN VERN Dtrack record | Buy | $5.4K | conv 14 | SEC |
| KORNELSEN VERN Dtrack record | Buy | $15.4K | conv 16 | SEC |
| KORNELSEN VERN Dtrack record | Buy | $2K | conv 25 | SEC |
| EDCO PARTNERS LLLPtrack record | Buy | $20 | conv 25 | SEC |