$ATRA
Atara Biotherapeutics, Inc
XNAS•Health Care•Biological Products, (No Diagnostic Substances)
$9.37
▼-3.90%-$0.380
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Plans & pricingDonateAtara Biotherapeutics, Inc
XNAS•Health Care•Biological Products, (No Diagnostic Substances)
Why is ATRA down today? It is at $9.37 (-3.90%), and our scanner flagged it 8 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ATRA spikes, and full due diligence on ATRA — key stats, earnings, dilution and insider activity. Free.
Our scanner flagged $ATRA 8 times in the last 30 days. Create a free account to track $ATRA, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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Here is the latest on ATRA from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ATRA today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
We could not reach SEC EDGAR, so the dilution check did not run. This is not a clean result - verify on EDGAR before trading.
Sources: float & market cap via Polygon · short interest via FINRA · borrow & shortability via Alpaca · SSR from Reg SHO 201 · filings & dilution via SEC EDGAR · analysts via Nasdaq.
Auto-generated from public data for research and education. Not investment advice.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Cherry Brian N Director | Bought (open market) | +104K 1.0% of company | added 100% | 166K | $1000K at $9.60 | Sep 4, 26 |
Nguyen Anhco Officer | Sold (automatic/other) | -5K 0.05% of company | sold 3.7% | 133K | $41K at $8.08 | Aug 17, 26 |
Redmile Group, Llc Director | Sold (automatic/other) | -60 | sold <0.1% | 637K | n/a | Jul 22, 26 |
Redmile Group, Llc Director | Other | 195K 1.9% of company | added 44% | 637K | n/a | Jul 22, 26 |
Cherry Brian N Director | Acquired (grant/award) | +24K 0.2% of company | added 63% | 62K | n/a | Jun 11, 26 |
Ciongoli Gregory Austin Director | Acquired (grant/award) | +12K 0.1% of company | n/a | 12K | n/a | Jun 9, 26 |
Fust Matthew K Director | Acquired (grant/award) | +12K 0.1% of company | added 66% | 30K | n/a | Jun 9, 26 |
Heiden William K Director | Acquired (grant/award) | +12K 0.1% of company | added 54% | 34K | n/a | Jun 9, 26 |
Grant-Huerta Yanina Officer | Sold (automatic/other) | -2K 0.02% of company | sold 4.6% | 50K | $22K at $9.13 | May 18, 26 |
Nguyen Anhco Officer | Sold (automatic/other) | -5K 0.05% of company | sold 3.7% | 138K | $48K at $9.13 | May 18, 26 |
Ecor1 Capital, Llc Beneficial Owner (10%) | Bought (open market) | +507K 5.1% of company | added 49% | 1.55M | $4.7M at $9.35 | May 7, 26 |
Panacea Innovation Ltd Beneficial Owner (10%) | Sold (automatic/other) | -313K 3.1% of company | sold 19% | 1.32M | $3.2M at $10.10 | May 7, 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.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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Here is the latest on ATRA from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ATRA today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
ATRA last traded at $9.37, down 3.90% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
The ATRA 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 ATRA 8 times in the last 30 days.
ATRA (Atara Biotherapeutics, Inc) trades on XNAS, with a market cap of about $94M in the Biological Products, (No Diagnostic Substances) sector.
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 ATRA for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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