$CERS
Cerus Corp
XNAS
Why is CERS down today? It is at $2.84 (-0.35%), and our scanner flagged it 73 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment CERS spikes, and full due diligence on CERS — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $2.84
- Change today
- -0.35%
- Previous close
- $2.85
- 52-week range
- $1.15 – $3.47
- Market cap
- $556M
- Shares outstanding
- 201.5M SEC · as of 2026-07-16 · 35d
- Institutional own.
- 81.41%
- Total held
- 84.1%
- Tradeable float
- 32.1M 16% of shares · after 3% insiders + 81% institutions
- Short interest
- 15.0M ▲ +9% vs prior · as of 2026-07-31
- Short % of float
- 46.5%
- Days to cover
- 5.7d
- Avg daily volume
- 1.9M
- Exchange
- XNAS
- 5m
- 0.0x
- 15m
- 0.1x
- 1h
- 0.2x
- 1D
- 0.4x
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Why is $CERS moving today?
CERS is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on CERS today, peaking at 31.6x its normal volume.
Analyst data via Nasdaq. Not investment advice.
Insiders
Insiders buying11 buys, 8 sells last 3 months (24/22 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Jensen Chrystal Officer | Sold (automatic/other) | -30K 0.01% of company | sold 3.1% | 937K | $89K at $2.98 | Aug 17, 26 |
Jayaraman Vivek K Officer | Sold (automatic/other) | -17K | sold 0.7% | 2.23M | $53K at $3.16 | Jul 16, 26 |
Jayaraman Vivek K Officer | Acquired (grant/award) | +555K 0.3% of company | added 33% | 2.25M | n/a | Jul 1, 26 |
Greenman William Mariner Officer | Acquired (grant/award) | +193K 0.10% of company | added 3.9% | 5.15M | n/a | Jun 30, 26 |
Greenman William Mariner Officer | Sold (automatic/other) | -102K 0.05% of company | sold 2.0% | 5.05M | $300K at $2.94 | Jun 30, 26 |
Jensen Chrystal Officer | Acquired (grant/award) | +55K 0.03% of company | added 5.9% | 991K | n/a | Jun 30, 26 |
Jensen Chrystal Officer | Sold (automatic/other) | -24K 0.01% of company | sold 2.5% | 967K | $72K at $2.94 | Jun 30, 26 |
Jayaraman Vivek K Officer | Acquired (grant/award) | +80K 0.04% of company | added 4.8% | 1.74M | n/a | Jun 30, 26 |
Jayaraman Vivek K Officer | Sold (automatic/other) | -42K 0.02% of company | sold 2.4% | 1.69M | $125K at $2.94 | Jun 30, 26 |
Green Kevin Dennis Officer | Acquired (grant/award) | +64K 0.03% of company | added 6.2% | 1.10M | n/a | Jun 30, 26 |
Green Kevin Dennis Officer | Sold (automatic/other) | -34K 0.02% of company | sold 3.1% | 1.06M | $99K at $2.94 | Jun 30, 26 |
Bjerkholt Eric Director | Sold (automatic/other) | -20K 0.01% of company | sold 7.2% | 262K | $53K at $2.60 | Jun 9, 26 |
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 $CERS. 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.
$CERS Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$CERS Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
CERS stock FAQ
Why is $CERS moving today?
CERS is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on CERS today, peaking at 31.6x its normal volume.
What is the CERS stock price today?
CERS last traded at $2.84, down 0.35% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live CERS alerts?
The CERS 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 CERS 73 times in the last 30 days.
What exchange is CERS on?
CERS (Cerus Corp) trades on XNAS, with a market cap of about $556M.
Is CERS 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 CERS for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.