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Insider · CIK 0001223928

William J Pratt

director

Files at GUER (Guerrilla RF, Inc.). First filing May 20, 2024, latest May 20, 2024.

In brief

William J Pratt files SEC Form 4 as director at GUER (Guerrilla RF, Inc.). Since May 20, 2024, William J Pratt has reported 1 open-market buy worth $850 and 0 open-market sells worth $0, the latest filed on May 20, 2024.

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

The newest scored trade: bought $850 of GUER on May 20, 2024, filed May 20, 2024, scored 36 (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
1 / 0
$850 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.

GUER: Guerrilla RF, Inc.

GUEROct 12, 2026 · close 4.20

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
36Weak
GUERbuy 3
Guerrilla RF, Inc.
$850
200 shares
+21%-

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 14, 2026GUER
Guerrilla RF, Inc.
AGrant or award
Stock Optionderivative
+14,164$0.00$014,164Aug 18, 2026
May 15, 2026GUER
Guerrilla RF, Inc.
AGrant or award
Stock Optionderivative
+15,625$0.00$015,625May 19, 2026
Jun 5, 2024GUER
Guerrilla RF, Inc.
AGrant or award
Restricted Stock Unitderivative
+20,000$0.00$020,000Jun 7, 2024
May 20, 2024GUER
Guerrilla RF, Inc.
POpen-market purchase
Common Stockindirect: Held by Spouse
+200$4.25$8501,166May 20, 2024
Mar 28, 2024GUER
Guerrilla RF, Inc.
POpen-market purchase
Common Stock
+21,139--125,378Apr 1, 2024
Mar 28, 2024GUER
Guerrilla RF, Inc.
POpen-market purchase
Warrantderivative
+21,139--21,139Apr 1, 2024

Questions about William J Pratt

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

Is William J Pratt buying or selling?

Not in the last 12 months. William J Pratt's latest open-market trade on SEC Form 4 was bought $850 of GUER on May 20, 2024.

How did William J Pratt's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William J Pratt has 0.

Where does William J Pratt file Form 4?

William J Pratt has filed Form 4 at GUER (Guerrilla RF, 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.

William J Pratt: insider trades and track record | InsiderTell