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Atara Biotherapeutics, Inc. (ATRA)

Healthcare | Biotechnology | Thousand Oaks, United States | NasdaqGS
5.27 USD +0.03 (0.573%) ⇧ (April 17, 2026, 4 p.m. EDT)
After hours: 5.27

Short-term: ★☆☆☆☆ | Long-term: ☆☆☆☆☆ | Dividends: ☆☆☆☆☆
Hot Take | April 18, 2026, 10:09 p.m. EDT

Despite a technically modest rebound from recent lows, ATRA remains a high-risk biological asset with no dividends, negligible insider confidence, and a fundamentally deteriorating revenue trajectory. Recent FDA rejection news and an active class-action lawsuit regarding securities fraud have erased long-term value. While the stock is down 50% from its 200-day moving average, suggesting a 'trapped money' setup, the limited cash reserves, negative operating cash flow, and lack of realized revenue growth make this a dangerous environment for capital preservation. Current momentum is weak, and the statistical models show poor directional signal, indicating a 50/50 coin-flip scenario best avoided by investors.

Model Selection — Backtest MAE (log-scale, lower is better)
ModelMAE
MSTL ✓0.111915
AutoETS0.130244
AutoARIMA0.130248
AutoTheta0.285660

Forecast horizon: 45 days | Selected: MSTL

Forecast Reliability
Score 79%
H-stat 0.43
Ljung-Box p 0.000
Jarque-Bera p 0.117
Excess Kurtosis 0.58
Attribute Value
Sector Healthcare
Revenue per Share 9.628
Market Cap 43,098,660
Trailing P/E 2.05
Forward P/E 6.51
Beta -0.33
Profit Margins 27.07%
Website https://www.atarabio.com

Info Dump

Attribute Value
52 Week Change -0.14169383
Address1 1,280 Rancho Conejo Blvd
All Time High 1,639.0
All Time Low 3.92
Ask 5.44
Ask Size 1
Audit Risk 6
Average Daily Volume10 Day 76,910
Average Daily Volume3 Month 268,243
Average Volume 268,243
Average Volume10Days 76,910
Beta -0.334
Bid 5.2
Bid Size 2
Board Risk 8
Book Value -5.257
City Thousand Oaks
Compensation As Of Epoch Date 1,735,603,200
Compensation Risk 7
Country United States
Crypto Tradeable 0
Currency USD
Current Price 5.27
Current Ratio 0.818
Custom Price Alert Confidence HIGH
Date Short Interest 1,774,915,200
Day High 5.5472
Day Low 5.255
Display Name Atara Biotherapeutics
Earnings Timestamp 1,773,691,200
Earnings Timestamp End 1,778,788,800
Earnings Timestamp Start 1,778,788,800
Ebitda 51,587,000
Ebitda Margins 0.42714
Enterprise To Ebitda 0.872
Enterprise To Revenue 0.373
Enterprise Value 44,991,660
Eps Current Year -0.28667
Eps Forward 0.81
Eps Trailing Twelve Months 2.57
Esg Populated 0
Exchange NMS
Exchange Data Delayed By 0
Exchange Timezone Name America/New_York
Exchange Timezone Short Name EDT
Fifty Day Average 5.0393
Fifty Day Average Change 0.23070002
Fifty Day Average Change Percent 0.04578017
Fifty Two Week Change Percent -14.169383
Fifty Two Week High 19.145
Fifty Two Week High Change -13.875
Fifty Two Week High Change Percent -0.7247323
Fifty Two Week Low 3.92
Fifty Two Week Low Change 1.3499999
Fifty Two Week Low Change Percent 0.3443877
Fifty Two Week Range 3.92 - 19.145
Financial Currency USD
First Trade Date Milliseconds 1,413,466,200,000
Float Shares 5,333,357
Forward Eps 0.81
Forward P E 6.5061727
Free Cashflow -47,677,624
Full Exchange Name NasdaqGS
Full Time Employees 14
Gmt Off Set Milliseconds -14,400,000
Governance Epoch Date 1,775,001,600
Gross Margins 0.61787
Gross Profits 74,621,000
Has Pre Post Market Data 1
Held Percent Insiders 0.18327999
Held Percent Institutions 0.45099
Implied Shares Outstanding 8,178,114
Industry Biotechnology
Industry Disp Biotechnology
Industry Key biotechnology
Is Earnings Date Estimate 1
Language en-US
Last Fiscal Year End 1,767,139,200
Last Split Date 1,718,841,600
Last Split Factor 1:25
Long Business Summary Atara Biotherapeutics, Inc. engages in the development of transformative therapies for patients with cancer and autoimmune disease in the United States and internationally. Its lead product includes Tab-cel (tabelecleucel), a T-cell immunotherapy program that is in Phase 3 clinical trials for the treatment of epstein-barr virus (EBV) with post-transplant lymphoproliferative disease, as well as other EBV-driven diseases. It also develops ATA3219, an allogeneic CAR T targeting CD19 intended to target B-cell malignancies and autoimmune diseases. The company has research collaboration agreements with Memorial Sloan Kettering Cancer Center, and Council of the Queensland Institute of Medical Research. Atara Biotherapeutics, Inc. was incorporated in 2012 and is headquartered in Thousand Oaks, California.
Long Name Atara Biotherapeutics, Inc.
Market us_market
Market Cap 43,098,660
Market State CLOSED
Max Age 86,400
Message Board Id finmb_248196818
Most Recent Quarter 1,767,139,200
Net Income To Common 32,688,000
Next Fiscal Year End 1,798,675,200
Non Diluted Market Cap 43,834,691
Number Of Analyst Opinions 3
Open 5.27
Operating Cashflow -50,940,000
Operating Margins -3.3963
Overall Risk 7
Payout Ratio 0.0
Phone 805 623 4211
Post Market Change 0.0
Post Market Change Percent 0.0
Post Market Price 5.27
Post Market Time 1,776,456,604
Previous Close 5.24
Price Eps Current Year -18.383507
Price Hint 2
Price To Book -1.0024729
Price To Sales Trailing12 Months 0.3568597
Profit Margins 0.27066
Quick Ratio 0.652
Quote Source Name Nasdaq Real Time Price
Quote Type EQUITY
Recommendation Key none
Region US
Regular Market Change 0.0300002
Regular Market Change Percent 0.572523
Regular Market Day High 5.5472
Regular Market Day Low 5.255
Regular Market Day Range 5.255 - 5.5472
Regular Market Open 5.27
Regular Market Previous Close 5.24
Regular Market Price 5.27
Regular Market Time 1,776,456,001
Regular Market Volume 76,213
Return On Assets 0.47814
Revenue Growth -0.951
Revenue Per Share 9.628
Sand P52 Week Change 0.38150132
Sector Healthcare
Sector Disp Healthcare
Sector Key healthcare
Share Holder Rights Risk 8
Shares Outstanding 8,178,114
Shares Percent Shares Out 0.04
Shares Short 327,066
Shares Short Previous Month Date 1,772,150,400
Shares Short Prior Month 330,524
Short Name Atara Biotherapeutics, Inc.
Short Percent Of Float 0.0473
Short Ratio 0.99
Source Interval 15
State CA
Symbol ATRA
Target High Price 18.0
Target Low Price 4.0
Target Mean Price 9.33333
Target Median Price 6.0
Total Cash 8,482,000
Total Cash Per Share 1.037
Total Debt 10,375,000
Total Revenue 120,772,000
Tradeable 0
Trailing Annual Dividend Rate 0.0
Trailing Annual Dividend Yield 0.0
Trailing Eps 2.57
Trailing P E 2.0505836
Trailing Peg Ratio None
Triggerable 1
Two Hundred Day Average 10.581125
Two Hundred Day Average Change -5.3111253
Two Hundred Day Average Change Percent -0.50194335
Type Disp Equity
Volume 76,213
Website https://www.atarabio.com
Zip 91,320