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Alexander K. Arrow bought $6,480 of PTIX

Chief Financial Officer at Protagenic Therapeutics, Inc.\new. 8,000 shares at an average of $0.81, traded Oct 12, 2023, filed Oct 13, 2023.

Conviction score
46
Value
$6,480
8,000 shares
Holdings after
45,815
+21% from before
From 52-week low
0%
low $10.35, close $10.35
From 52-week high
-72%
high $36.40, as of Oct 12, 2023

Score components

  • Role
    CFO
    +22
  • Trade size
    $6k at market
    0
  • Relative to holdings
    Holdings up 21%
    +6
  • Price context
    0% above the 52-week low; 72% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -4.6%, 3m +0.1%, 6m +71.6%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PTIXOct 13, 2026 · close 0.81
Since filing Oct 13, 2023: -93.1%SPY +87.0% · excess -180.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001493152-23-037136, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 12, 2023POpen-market purchase
PTIX Common Stock
+8,000$0.81$6,48045,815Oct 13, 2023

Related signals

Other insiders at Protagenic Therapeutics, Inc.\new and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
31Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$13k
20,000 shares
+37%
28Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$945
2,700 shares
+8%
31Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$9,811
16,634 shares
+45%
28Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$710
2,220 shares
+7%
25Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$151
685 shares
+2%
28Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF
$1,294
5,000 shares
+19%
28Weak
PTIXbuy
Protagenic Therapeutics, Inc.\new
Garo H Armen
EXEC. CHAIR & PRINCIPAL OFF.
$4,806
26,291 shares
-

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 bought $6,480 of PTIX | InsiderTell