Atara Biotherapeutics Stock Price and Value Analysis
Should you buy Atara Biotherapeutics stock? (NasdaqGS:ATRA). Let's see how it does in our automated value investing analysis system.
| Advantages | Disadvantages | Neutral |
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Inside the ATRA Numbers
| ATRA Price (Atara Biotherapeutics stock price per share) |
$8.38 | |
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PE Ratio versus Sector | 100% lower than other Healthcare stocks |
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PE Ratio versus Industry | 100% lower than other Biotechnology stocks |
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Free Cash Flow Jitter | 28% |
Recent Insider Activity
Open-market buys and sells reported by Atara Biotherapeutics's officers, directors, and 10% owners on SEC Form 4. Routine transactions (tax withholding, option exercises, and stock grants) are excluded -- these are discretionary trades only.
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-05-07T00:00:00 | Panacea Innovation Ltd | Sell | 313,446 | $10.10 |
| 2026-05-07T00:00:00 | EcoR1 Capital, LLC | Buy | 507,407 | $9.35 |
| 2026-01-12T00:00:00 | Panacea Innovation Ltd | Sell | 80,554 | $6.07 |
| 2025-08-15T00:00:00 | Panacea Innovation Ltd | Buy | 55,000 | $12.19 |
| 2025-07-17T00:00:00 | Panacea Innovation Ltd | Buy | 19,335 | $9.64 |
This stock has short interest! This means that people have shorted it.
Why does that matter? They've made a bet that price will decrease from where they bought it. Maybe there are financial problems, or maybe there's a value play.
As of the latest analysis, there are 577,635 shares shorted. With 4,018,357 shares available for purchase and an average trading volume over the past 10 trading days of 62,340, it would take at least 9.266 days for all of the short holders to cover their shorts.
Is Atara Biotherapeutics Stock on Sale?
Based on our analysis, we believe that you should not buy Atara Biotherapeutics right now. It might be a good stock to own—we just can't prove it with value analysis right now. Proceed with caution.
Should You Buy ATRA Stock?
Does Atara Biotherapeutics have a coherent story? Does it have a plan to continue to make money? Is it worth your time? Only you can decide where to go from here. Our investment guide helps you ask the right questions, including how to buy stocks. Use these research links for more information.