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Insider · CIK 0001497166

Alexander K. Arrow

cfoofficer

Files at PTIX (Protagenic Therapeutics, Inc.\new). First filing Oct 13, 2023, latest Oct 13, 2023.

In brief

Alexander K. Arrow files SEC Form 4 as CFO at PTIX (Protagenic Therapeutics, Inc.\new). Since Oct 13, 2023, Alexander K. Arrow has reported 1 open-market buy worth $6,480 and 0 open-market sells worth $0, the latest filed on Oct 13, 2023.

A track record needs three past buys with six months of prices behind them; Alexander K. Arrow has 1, so none is measured yet.

The newest scored trade: bought $6,480 of PTIX on Oct 12, 2023, filed Oct 13, 2023, scored 46 (moderate).

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 1
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
1 / 0
$6,480 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.

PTIX: Protagenic Therapeutics, Inc.\new

PTIXOct 13, 2026 · close 0.81

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
46Moderate
PTIXbuy
Protagenic Therapeutics, Inc.\new
$6,480
8,000 shares
+21%0% from low-72% from high

Transactions

Every row this insider has filed, 2 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 25, 2024PTIX
Protagenic Therapeutics, Inc.\new
AGrant or award
PTIX Common stock Optionsderivative
+100,000$1.74$174k100,000Mar 29, 2024
Oct 12, 2023PTIX
Protagenic Therapeutics, Inc.\new
POpen-market purchase
PTIX Common Stock
+8,000$0.81$6,48045,815Oct 13, 2023

Questions about Alexander K. Arrow

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

Is Alexander K. Arrow buying or selling?

Not in the last 12 months. Alexander K. Arrow's latest open-market trade on SEC Form 4 was bought $6,480 of PTIX on Oct 12, 2023.

How did Alexander K. Arrow's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Alexander K. Arrow has 1.

Where does Alexander K. Arrow file Form 4?

Alexander K. Arrow has filed Form 4 at PTIX (Protagenic Therapeutics, Inc.\new) as Chief Financial Officer. 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.

Alexander K. Arrow: insider trades and track record | InsiderTell