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Insider · CIK 0001664454

Donald E. Siecke

director

Files at LCTC (Lifeloc Technologies, Inc). First filing Apr 18, 2025, latest Apr 18, 2025.

Donald E. Siecke files SEC Form 4 as director at LCTC (Lifeloc Technologies, Inc). Since Apr 18, 2025, Donald E. Siecke has reported 2 open-market buys worth $75k and 0 open-market sells worth $0, the latest filed on Apr 18, 2025.

A track record needs three past buys with six months of prices behind them; Donald E. Siecke has 0, so none is measured yet.

The newest scored trade: bought $15k of LCTC on Oct 2, 2019, filed Apr 18, 2025, scored 15 (weak).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
2 / 0
$75k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

LCTC: Lifeloc Technologies, Inc

LCTCOct 9, 2026 · close 4.00

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
15Weak
LCTCbuy
Lifeloc Technologies, Inc
$15k
9,347 shares
+2%-
41Moderate
LCTCbuy 4
Lifeloc Technologies, Inc
$61k
16,000 shares
+3%+32% from low-26% from high

Transactions

Every row this insider has filed, 4 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Feb 28, 2025LCTC
Lifeloc Technologies, Inc
MOption exercise
Common Stock
+1,000$3.80$3,8001,000Apr 18, 2025
Oct 2, 2019LCTC
Lifeloc Technologies, Inc
POpen-market purchase
Common Stockindirect: See note
+9,347$1.57$15k460,295Apr 18, 2025
Feb 28, 2025LCTC
Lifeloc Technologies, Inc
POpen-market purchase
Common Stockindirect: See note
+16,000$3.80$61k554,352Apr 18, 2025
Feb 28, 2025LCTC
Lifeloc Technologies, Inc
MOption exercise
Stock Option (buy)derivative
-1,000$0.00$00Apr 18, 2025

Questions about Donald E. Siecke

Answered from the filings on this page, as of the latest one.

Is Donald E. Siecke buying or selling?

Not in the last 12 months. Donald E. Siecke's latest open-market trade on SEC Form 4 was bought $15k of LCTC on Oct 2, 2019.

How did Donald E. Siecke's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Donald E. Siecke has 0.

Where does Donald E. Siecke file Form 4?

Donald E. Siecke has filed Form 4 at LCTC (Lifeloc Technologies, Inc). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Donald E. Siecke: insider trades and track record | InsiderTell