Electronic Systems Technology, Inc.

ELSTOTCTechnology● Active

$0.05

+$0.00(+0.00%)

Market Cap$247325

P/E Ratio—

52W High$0.165

52W Low$0.001

Avg Volume249

Open$0.05

Beta-1.15

Insider Trades Ownership Employees

Electronic Systems Technology, Inc. (ELST) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · ELST · as of Jun 9, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

2.00

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 67%Active transactions only · RSU vesting excluded33% Sell ↓

Electronic Systems Technology, Inc. insiders have been net buyers of shares over the past 12 Months, which may signal confidence in the company's outlook.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 9, 2026

ELST insider buying and selling by quarter

ELST insider selling · ELST insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

265K133K0

2015 Q3

2015 Q4

2018 Q2

2018 Q3

2020 Q1

2020 Q2

2020 Q3

2022 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 9, 2026

Recent insider transactions

ELST executive sell shares · ELST board member insider trading · ELST insider trading SEC filing

Showing 23 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Aug 24, 2020	EDCO PARTNERS LLLP Secretary · Director	Purchase	119,200	$0.15	$18K	1,797,700	Form 4
May 19, 2020	Zeff Capital, LP 10 percent owner	Sale	179,800	$0.29	$52K	422,381	Form 4
May 13, 2020	EDCO PARTNERS LLLP Secretary · Director	Purchase	125,000	$0.25	$31K	1,678,500	Form 4
Sep 10, 2015	EDCO PARTNERS LLLP Director	Purchase	1,000	$0.41	$410	1,553,500	Form 4
Sep 8, 2015	EDCO PARTNERS LLLP Director	Purchase	30,000	$0.40	$12K	1,552,500	Form 4
Sep 4, 2015	EDCO PARTNERS LLLP Director	Purchase	30,675	$0.40	$12K	1,522,500	Form 4
Sep 3, 2015	EDCO PARTNERS LLLP Director	Purchase	5,000	$0.40	$2K	1,517,500	Form 4
Jun 18, 2015	EDCO PARTNERS LLLP Director	Purchase	11,603	$0.40	$5K	1,486,825	Form 4
May 28, 2015	EDCO PARTNERS LLLP Director	Purchase	13,397	$0.40	$5K	1,475,222	Form 4
May 27, 2015	EDCO PARTNERS LLLP Director	Purchase	38,500	$0.40	$15K	1,461,825	Form 4
May 12, 2015	EDCO PARTNERS LLLP 10 percent owner	Purchase	5,000	$0.40	$2K	1,423,325	Form 4
Apr 30, 2015	EDCO PARTNERS LLLP Director	Purchase	73,000	$0.40	$29K	1,418,325	Form 4
Apr 29, 2015	EDCO PARTNERS LLLP Director	Purchase	25	$0.80	$20	1,345,325	Form 4
Mar 2, 2015	EDCO PARTNERS LLLP Director	Purchase	7,000	$0.40	$3K	1,345,300	Form 4
Feb 23, 2015	EDCO PARTNERS LLLP Director	Purchase	10,000	$0.40	$4K	1,338,300	Form 4
Feb 20, 2015	EDCO PARTNERS LLLP Director	Purchase	10,000	$0.40	$4K	1,328,300	Form 4
Feb 18, 2015	EDCO PARTNERS LLLP Director	Purchase	23,667	$0.40	$9K	1,318,300	Form 4
Feb 17, 2015	EDCO PARTNERS LLLP Director	Purchase	62,500	$0.38	$24K	1,294,633	Form 4
Nov 24, 2014	EDCO PARTNERS LLLP 10 percent owner	Purchase	43,810	$0.40	$18K	1,232,133	Form 4
Jun 2, 2014	EDCO PARTNERS LLLP 10 percent owner	Purchase	15,200	$0.40	$6K	1,188,323	Form 4
May 30, 2014	EDCO PARTNERS LLLP 10 percent owner	Purchase	289,700	$0.40	$116K	1,173,123	Form 4
May 29, 2014	EDCO PARTNERS LLLP 10 percent owner	Purchase	150,000	$0.40	$60K	883,423	Form 4
May 28, 2014	EDCO PARTNERS LLLP 10 percent owner	Purchase	312,500	$0.40	$125K	733,423	Form 4

EDCO PARTNERS LLLP

Secretary · Director

Purchase

Date

Aug 24

119,200

Price

$0.15

Value

$18K

View Form 4 on SEC.gov

Zeff Capital, LP

10 percent owner

Sale

Date

May 19

179,800

Price

$0.29

Value

$52K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Secretary · Director

Purchase

Date

May 13

125,000

Price

$0.25

Value

$31K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Sep 10

1,000

Price

$0.41

Value

$410

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Sep 8

30,000

Price

$0.40

Value

$12K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Sep 4

30,675

Price

$0.40

Value

$12K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Sep 3

5,000

Price

$0.40

Value

$2K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Jun 18

11,603

Price

$0.40

Value

$5K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

May 28

13,397

Price

$0.40

Value

$5K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

May 27

38,500

Price

$0.40

Value

$15K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

May 12

5,000

Price

$0.40

Value

$2K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Apr 30

73,000

Price

$0.40

Value

$29K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Apr 29

Price

$0.80

Value

$20

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Mar 2

7,000

Price

$0.40

Value

$3K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Feb 23

10,000

Price

$0.40

Value

$4K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Feb 20

10,000

Price

$0.40

Value

$4K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Feb 18

23,667

Price

$0.40

Value

$9K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

Director

Purchase

Date

Feb 17

62,500

Price

$0.38

Value

$24K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

Nov 24

43,810

Price

$0.40

Value

$18K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

Jun 2

15,200

Price

$0.40

Value

$6K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

May 30

289,700

Price

$0.40

Value

$116K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

May 29

150,000

Price

$0.40

Value

$60K

View Form 4 on SEC.gov

EDCO PARTNERS LLLP

10 percent owner

Purchase

Date

May 28

312,500

Price

$0.40

Value

$125K

View Form 4 on SEC.gov

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About ELST insider trading

ELST insider trades

Electronic Systems Technology, Inc. (ELST) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including ELST. Over the past 12 months, 0 insiders have filed transactions with the SEC. ELST insiders have been primarily buying, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Electronic Systems Technology, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

ELST insider trading · 5 questions

The insiders of Electronic Systems Technology, Inc. (ELST) include executives and directors such as ELST, among others. Over the past 12 months, 0 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

ELST board member insider tradingwho are ELST insidersELST insider rosterElectronic Systems Technology, Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026