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buyModerate

Robert J Bitterman bought $5,150 of PHIO

Chairman, Pres. & CEO at Phio Pharmaceuticals Corp.. 5,000 shares at an average of $1.03, traded Dec 31, 2025, filed Jan 2, 2026.

Conviction score
48
Value
$5,150
5,000 shares
Holdings after
291,421
+2% from before
From 52-week low
+4%
low $1.01, close $1.05
From 52-week high
-84%
high $6.60, as of Dec 31, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $5k at market
    0
  • Relative to holdings
    Holdings up 1.7%
    0
  • Price context
    4% above the 52-week low; 84% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    4 buys in 90 days
    +5
  • 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.

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 9, 2026 · close 0.98
Since filing Jan 2, 2026: -10.2%SPY +14.9% · excess -25.0%

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 0001683168-26-000013, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 31, 2025POpen-market purchase
Common Stock, $.0001 par value
+5,000$1.03$5,150291,421Jan 2, 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%
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
$5,100
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%
49Moderate
PHIObuy 2
Phio Pharmaceuticals Corp.
Robert J Bitterman
Chairman, Pres & CEO
$4,840
2,000 shares
+8%
39Weak
PHIObuy 2
Phio Pharmaceuticals Corp.
Robert L Ferrara
director
$6,050
2,500 shares
+19%

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 $5,150 of PHIO | InsiderTell