$CTSO
Cytosorbents Corp.
XNAS
Why is CTSO up today? It is at $0.362 (+16.26%), and our scanner flagged it 2 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment CTSO spikes, and full due diligence on CTSO — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $0.362
- Change today
- +16.26%
- Previous close
- $0.311
- 52-week range
- $0.300 – $1.04
- Market cap
- $23M
- Institutional own.
- 29.49%
- Total held
- 37.3%
- Tradeable float
- 39.4M 63% of shares · after 8% insiders + 29% institutions
- Short interest
- 2.1M ▲ +1% vs prior · as of 2026-07-31
- Short % of float
- 5.4%
- Days to cover
- 38.3d
- Avg daily volume
- 109K
- Exchange
- XNAS
- 5mthin
- 200x
- 15mthin
- 200x
- 1hthin
- 200x
- 1D
- --
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Why is $CTSO up today?
Here is the latest on CTSO from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.
Insiders
Insiders buying3 open-market buys3 buys, 0 sells last 3 months (4/0 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Chan Phillip P. Officer | Bought (open market) | +10K 0.02% of company | added 0.6% | 1.74M | $4K at $0.430 | Jun 15, 26 |
Mariani Peter J Officer | Bought (open market) | +100K 0.2% of company | added 19% | 638K | $44K at $0.440 | Jun 15, 26 |
Chan Phillip P. Officer | Bought (open market) | +251K 0.4% of company | added 17% | 1.73M | $100K at $0.400 | Jun 12, 26 |
Chan Phillip P. Officer | Acquired (grant/award) | +100K 0.2% of company | added 7.2% | 1.48M | $64K at $0.640 | Nov 18, 25 |
Deliargyris Efthymios Officer | Acquired (grant/award) | +70K 0.1% of company | added 17% | 473K | n/a | Aug 8, 25 |
Capponi Vincent Officer | Acquired (grant/award) | +89K 0.1% of company | added 13% | 766K | n/a | Aug 8, 25 |
Mariani Peter J Officer | Acquired (grant/award) | +72K 0.1% of company | added 15% | 538K | n/a | Aug 8, 25 |
Chan Phillip P. Officer | Acquired (grant/award) | +106K 0.2% of company | added 8.3% | 1.38M | n/a | Aug 8, 25 |
Mariani Peter J Officer | Other | 33K 0.05% of company | added 8.1% | 434K | $33K at $1.00 | Jan 17, 25 |
Chan Phillip P. Officer | Other | 91K 0.1% of company | added 7.9% | 1.24M | $91K at $1.00 | Jan 17, 25 |
Sobel Alan D. Director | Other | 22K 0.03% of company | added 22% | 124K | $22K at $1.00 | Jan 17, 25 |
Deliargyris Efthymios Officer | Other | 16K 0.03% of company | added 4.2% | 403K | $16K at $1.00 | Jan 17, 25 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $CTSO. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$CTSO Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$CTSO Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
CTSO stock FAQ
Why is $CTSO up today?
Here is the latest on CTSO from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.
What is the CTSO stock price today?
CTSO last traded at $0.362, up 16.26% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live CTSO alerts?
The CTSO 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 CTSO 2 times in the last 30 days.
What exchange is CTSO on?
CTSO (Cytosorbents Corp.) trades on XNAS, with a market cap of about $23M.
Is CTSO 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 CTSO for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.