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ATRA
Atara Biotherapeutics, Inc
stockNASDAQ

Market OpenOct 29, 2026 10:47:34 AM EDT
8.84USD+2.079%(+0.18)747
8.4600Bid10.21Ask1.7500Spread
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Healthcare
Biotechnology
HQ
Thousand Oaks, CA, USA
Previous Close
$8.66
Beta
1.08
52-Week High
$19.15 2026-01-05
52-Week Low
$3.92 2026-02-23
SMA 50
$9.25
SMA 200
$7.64
Avg. Vol 10D
22,894
Avg. Vol 30D
32,567
Avg. Vol 90D
52,049
Relative Vol
0.02
6.93M
3.4800%
194
Nov 11, 2026 (13d)
Jun 20, 2024 · 1-for-25 (reverse)
ATRA Profile

we launched atara biotherapeutics in august 2012 to help patients combat cancer, kidney disease and other illnesses. our research is based on groundbreaking discoveries regarding the ability of activin, myostatin and other growth factors to change the course of disease progression. our goal is to help patients such as atara ciechanover, our company's namesake, who suffered from cancer before passing away in 2012. we aim to empower patients to fight their illnesses with better treatment options. atara biotherapeutics is developing several innovative product candidates, including pinta 745, stm 434 and ata 842, and is collaborating with memorial sloan kettering cancer center (msk) in the development of three t-cell product candidates: epstein-barr virus (ebv)-targeted cytotoxic t lymphocytes (ctls), cytomegalovirus (cmv)-targeted ctls, and wilms tumor 1 (wt1)-targeted ctls. each product candidate is designed to address the underlying mechanisms of disease to treat conditions which have

ATRA Performance
PeriodPriceDateChangeBeta
1W9.432026-10-22-6.26%6.582
1M8.052026-09-29+9.81%2.416
3M8.062026-07-29+9.68%0.777
6M4.602026-04-29+92.17%0.194
1Y14.062025-10-29-37.13%1.076
2Y8.872024-10-29-0.34%—
5Y387.002021-10-29-97.72%1.905
ATRA Stock Summary

Atara Biotherapeutics, Inc (NASDAQ:ATRA) stock price today is $8.84, and today's volume is 747. ATRA is up 2.079% today. The 30 day average volume is 32,567. ATRA market cap is $88.73M with 10.04M shares outstanding.