$PHIO
Phio Pharmaceuticals Corp. Common Stock
XNAS
As of the latest tick, PHIO is trading at $0.957, down 7.12% versus the previous close of $1.03.
Key Stats
Why is $PHIO down today?
PHIO is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 11 unusual-volume and momentum alerts on PHIO today, peaking at 19.9x its normal volume. A move this size is almost always tied to a specific catalyst — most often an earnings report, guidance update, or company announcement. If none is shown above, the release may not be indexed in our news feed yet; it will appear here as soon as it is.
Analyst & insider data via Nasdaq. Open-market insider buying is the notable signal. Not investment advice.
Insider transactions
🟢 5 open-market buys1 buys · 0 sells (3mo) · 18/1 12mo| Insider | Action | Shares | Value | Date |
|---|---|---|---|---|
Bitterman Robert J Officer | Bought (open market) | +10K 0.09% of shares | $10K @ $0.990 | Jun 26, 26 |
Bitterman Robert J Officer | Acquired (grant/award) | +120K 1.0% of shares | — | Feb 5, 26 |
Bradford Patricia A Director | Acquired (grant/award) | +19K 0.2% of shares | — | Feb 5, 26 |
Carson Lisa Cabott Officer | Acquired (grant/award) | +47K 0.4% of shares | — | Feb 5, 26 |
Deming David H Director | Acquired (grant/award) | +24K 0.2% of shares | — | Feb 5, 26 |
Freeman Jonathan E Director | Acquired (grant/award) | +17K 0.1% of shares | — | Feb 5, 26 |
Lockshin Curtis Director | Acquired (grant/award) | +17K 0.1% of shares | — | Feb 5, 26 |
Bitterman Robert J Officer | Bought (open market) | +5K 0.04% of shares | $5K @ $1.03 | Dec 31, 25 |
Bitterman Robert J Officer | Bought (open market) | +5K 0.04% of shares | $5K @ $1.02 | Dec 23, 25 |
Bitterman Robert J Officer | Bought (open market) | +5K 0.04% of shares | $6K @ $1.14 | Nov 21, 25 |
Bitterman Robert J Officer | Bought (open market) | +5K 0.04% of shares | $6K @ $1.27 | Nov 18, 25 |
Bitterman Robert J Officer | Sold (automatic/other) | −4K 0.04% of shares | $10K @ $2.32 | Sep 11, 25 |
Recent Form-4 filings via Nasdaq. Open-market buys are the notable signal; grants and automatic (10b5-1) sells are routine. % of shares outstanding (not free float). Not investment advice.
Dilution watch
Active offeringRecent share offering on file — active dilution risk. If $PHIO runs, these filings show who may be positioned to sell new or newly-registered shares into the move.
- 424B5Priced share offering (new shares sold to the public)2026-04-08
- S-3Shelf registration (can issue new shares on demand)2025-11-20
Sourced from SEC EDGAR filings. Form type is a signal of dilution capacity, not an exact share count. Not investment advice.
$PHIO Sentiment
NeutralBlend of news sentiment, today’s move, and community votes. Not investment advice.
$PHIO Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.

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PHIO stock FAQ
Why is $PHIO down today?
PHIO is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 11 unusual-volume and momentum alerts on PHIO today, peaking at 19.9x its normal volume. A move this size is almost always tied to a specific catalyst — most often an earnings report, guidance update, or company announcement. If none is shown above, the release may not be indexed in our news feed yet; it will appear here as soon as it is.
What is the PHIO stock price today?
PHIO last traded at $0.957, down 7.12% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live PHIO alerts?
The PHIO Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged PHIO 11 times in the last 30 days.
What exchange is PHIO on?
PHIO (Phio Pharmaceuticals Corp. Common Stock) trades on XNAS, with a market cap of about $12M.
Is PHIO good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge PHIO for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.