Lifeloc Technologies, Inc.

LCTCOTCTechnology● Active

$2.20

+$0.00(+0.00%)

Market Cap$6055755

P/E Ratio—

52W High$5.51

52W Low$1.75

Avg Volume274

Open$2.20

Beta0.61

Overview

Lifeloc Technologies, Inc. (LCTC) 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 · LCTC · as of Jun 9, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

∞

Buy/Sell (by trades)

Overall sentiment

BULLISH

↑ Buy 100%Active transactions only · RSU vesting excluded0% Sell ↓

Lifeloc Technologies, 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

LCTC insider buying and selling by quarter

LCTC insider selling · LCTC insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

126K63K0

2013 Q4

2016 Q1

2017 Q2

2017 Q4

2020 Q1

2023 Q1

2023 Q4

2024 Q3

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

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

Showing 17 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Feb 28, 2025	Heim Michelle Controller	Option	1,500	$3.80	$6K	1,500	Form 4
Feb 28, 2025	Heim Michelle Controller	Sale	1,500	$3.80	$6K	0	Form 4
Feb 28, 2025	KORNELSEN VERN D CFO · Director	Purchase	12,250	$3.80	$47K	2,100,119	Form 4
Oct 2, 2019	Siecke Donald E. Director	Purchase	9,347	$1.57	$15K	460,295	Form 4
Feb 28, 2025	Willkomm Wayne CEO and President · Director	Option	37,500	$3.80	$143K	40,325	Form 4
Feb 28, 2025	Kornelsen Michael Director	Option	1,000	$3.80	$4K	1,000	Form 4
Feb 28, 2025	Siecke Donald E. Director	Option	1,000	$3.80	$4K	1,000	Form 4
Feb 28, 2025	Kashenberg Adam W. Director	Purchase	1,000	$3.80	$4K	1,000	Form 4
Jul 23, 2024	Siecke Donald E. Director	Purchase	78,057	$3.80	$297K	538,352	Form 4
Jul 23, 2024	KORNELSEN VERN D CFO · Director	Purchase	45,620	$3.80	$173K	2,006,288	Form 4
Jul 23, 2024	Kornelsen Michael Director	Purchase	2,132	$3.80	$8K	27,500	Form 4
Dec 19, 2023	Willkomm Wayne CEO and President · Director	Purchase	775	$2.25	$2K	26,302	Form 4
Dec 15, 2023	Willkomm Wayne CEO and President · Director	Purchase	850	$2.22	$2K	25,527	Form 4
Mar 24, 2023	Willkomm Wayne CEO and President · Director	Purchase	400	$1.77	$708	24,677	Form 4
Mar 24, 2023	Willkomm Wayne CEO and President · Director	Purchase	800	$1.76	$1K	24,277	Form 4
Feb 15, 2013	Ravishankar Gurumurthi EVP · Director	Purchase	6,667	$1.52	$10K	10,000	Form 4
Jan 10, 2013	Ravishankar Gurumurthi EVP · Director	Purchase	3,333	$1.52	$5K	3,333	Form 4

Heim Michelle

Controller

Option

Date

Feb 28

1,500

Price

$3.80

Value

$6K

View Form 4 on SEC.gov

Heim Michelle

Controller

Sale

Date

Feb 28

1,500

Price

$3.80

Value

$6K

View Form 4 on SEC.gov

KORNELSEN VERN D

CFO · Director

Purchase

Date

Feb 28

12,250

Price

$3.80

Value

$47K

View Form 4 on SEC.gov

Siecke Donald E.

Director

Purchase

Date

Oct 2

9,347

Price

$1.57

Value

$15K

View Form 4 on SEC.gov

Willkomm Wayne

CEO and President · Director

Option

Date

Feb 28

37,500

Price

$3.80

Value

$143K

View Form 4 on SEC.gov

Kornelsen Michael

Director

Option

Date

Feb 28

1,000

Price

$3.80

Value

$4K

View Form 4 on SEC.gov

Siecke Donald E.

Director

Option

Date

Feb 28

1,000

Price

$3.80

Value

$4K

View Form 4 on SEC.gov

Kashenberg Adam W.

Director

Purchase

Date

Feb 28

1,000

Price

$3.80

Value

$4K

View Form 4 on SEC.gov

Siecke Donald E.

Director

Purchase

Date

Jul 23

78,057

Price

$3.80

Value

$297K

View Form 4 on SEC.gov

KORNELSEN VERN D

CFO · Director

Purchase

Date

Jul 23

45,620

Price

$3.80

Value

$173K

View Form 4 on SEC.gov

Kornelsen Michael

Director

Purchase

Date

Jul 23

2,132

Price

$3.80

Value

$8K

View Form 4 on SEC.gov

Willkomm Wayne

CEO and President · Director

Purchase

Date

Dec 19

775

Price

$2.25

Value

$2K

View Form 4 on SEC.gov

Willkomm Wayne

CEO and President · Director

Purchase

Date

Dec 15

850

Price

$2.22

Value

$2K

View Form 4 on SEC.gov

Willkomm Wayne

CEO and President · Director

Purchase

Date

Mar 24

400

Price

$1.77

Value

$708

View Form 4 on SEC.gov

Willkomm Wayne

CEO and President · Director

Purchase

Date

Mar 24

800

Price

$1.76

Value

$1K

View Form 4 on SEC.gov

Ravishankar Gurumurthi

EVP · Director

Purchase

Date

Feb 15

6,667

Price

$1.52

Value

$10K

View Form 4 on SEC.gov

Ravishankar Gurumurthi

EVP · Director

Purchase

Date

Jan 10

3,333

Price

$1.52

Value

$5K

View Form 4 on SEC.gov

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

About LCTC insider trading

LCTC insider trades

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

For Lifeloc Technologies, 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

LCTC insider trading · 5 questions

The insiders of Lifeloc Technologies, Inc. (LCTC) include executives and directors such as LCTC, 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.

LCTC board member insider tradingwho are LCTC insidersLCTC insider rosterLifeloc Technologies, 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