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buyModerate cluster of 2

Robert J Bitterman bought $11k of PHIO

Chairman, Pres. & CEO at Phio Pharmaceuticals Corp.. 10,000 shares at an average of $1.06, traded Aug 18, 2026, filed Aug 19, 2026.

Conviction score
41
Value
$11k
10,000 shares
Holdings after
431,421
+2% from before
From 52-week low
+23%
low $0.86, close $1.05
From 52-week high
-58%
high $2.48, as of Aug 18, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $11k at market
    0
  • Relative to holdings
    Holdings up 2.4%
    0
  • Price context
    58% below the 52-week high
    +8
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Median 6-month excess return -26% over 7 past buys
    -5

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.

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.

PHIOOct 12, 2026 · close 0.92
Since filing Aug 19, 2026: -19.8%SPY +1.4% · excess -21.3%

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 0001683168-26-006592, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 18, 2026POpen-market purchase
Common Stock, $.0001 par value
+10,000$1.06$11k431,421Aug 19, 2026

Related signals

Other insiders at Phio Pharmaceuticals Corp. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
36Weak
PHIObuy 3
Phio Pharmaceuticals Corp.
Ronald Todd Plott
director
$10k
10,000 shares
+31%
38Weak
PHIObuy 3
Phio Pharmaceuticals Corp.
Patricia A Bradford
director
$6,583
6,500 shares
+11%
35Weak
PHIObuy 3
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$2,058
2,000 shares
+1%
36Weak
PHIObuy 3
Phio Pharmaceuticals Corp.
Patricia A Bradford
director
$12k
12,000 shares
+26%
39Weak
PHIObuy 2
Phio Pharmaceuticals Corp.
Ronald Todd Plott
director
$17k
15,000 shares
-
33Weak
PHIObuy
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$9,900
10,000 shares
+2%
48Moderate
PHIObuy
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$5,150
5,000 shares
+2%
48Moderate
PHIObuy
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$5,100
5,000 shares
+2%
38Weak
PHIObuy
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$5,700
5,000 shares
+2%
33Weak
PHIObuy
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres. & CEO
$6,350
5,000 shares
+2%

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.

Robert J Bitterman bought $11k of PHIO | InsiderTell