Transaction · 0001683168-26-006592

Bitterman Robert J

Bitterman Robert J, CHAIR, PRES, CEO, reported an open-market or private purchase at Phio Pharmaceuticals Corp. involving 10000.000000 shares for an estimated $10600.00. Reported holdings after the transaction were 431421.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PCHAIR, PRES, CEO
PHIOPhio Pharmaceuticals Corp.
Trade date
Aug 18, 2026
Filing date
Aug 19, 2026
View on SEC Insider profile
Disclosed value$10.6kShares × reported price
Shares traded10.0k$1.06 per share
Holdings after431kDirect
% of reported position traded2.37%This security and ownership context
How reported position traded is calculated

Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 421,421 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

PHIO price since this filing

Daily closing prices, with the filing date and available return windows
PHIO · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -9.6%1w ago -4.4%1d ago -7.0%
Returns since7d +5.3%30d -9.6%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001683168-26-006592
Common Stock, $.0001 par value
Transaction date
Aug 18, 2026
Filed Aug 19, 2026, 08:01 PM · 1d delay
Shares
10,000 sh
$1.06 per share
Estimated value
$10.6k
Computed from shares × price
Holdings after
431,421 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Director Buy Direct Ownership
Filing-only score

+34 points

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

How this score is calculated
  • open_market_purchase+12 points

    transaction_code = P

    Code P is a discretionary open-market purchase.
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • ceo_buy+12 points

    is_officer + officer_title/role mentions CEO

    CEO open-market purchase.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chairman, Pres. & CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Includes shares of common stock underlying unvested restricted stock units.

Original filing · 0001683168-26-006592
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