9.92
price down icon3.41%   -0.35
after-market After Hours: 9.92
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Atara Biotherapeutics Inc stock is traded at $9.92, with a volume of 69,039. It is down -3.41% in the last 24 hours and up +108.40% over the past month. Atara Biotherapeutics Inc operates in the United States healthcare sector. It focuses on developing transformative therapies for patients with serious diseases, including solid tumors, hematologic cancers, and autoimmune diseases. It operates and manages business as one operating and reportable segment which is the business of developing therapeutics. The company's product candidates comprise Tab-cel, ATA3431, and ATA3219.
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Previous Close:
$10.27
Open:
$10.18
24h Volume:
69,039
Relative Volume:
0.05
Market Cap:
$89.38M
Revenue:
$23.14M
Net Income/Loss:
$-9.47M
P/E Ratio:
-11.24
EPS:
-0.8827
Net Cash Flow:
$-25.88M
1W Performance:
-5.61%
1M Performance:
+108.40%
6M Performance:
-30.77%
1Y Performance:
+17.81%
1-Day Range:
Value
$9.8273
$10.18
1-Week Range:
Value
$9.35
$10.65
52-Week Range:
Value
$3.92
$19.14

Atara Biotherapeutics Inc Stock (ATRA) Company Profile

Name
Name
Atara Biotherapeutics Inc
Name
Phone
805-623-4211
Name
Address
1280 RANCHO CONEJO BLVD, THOUSAND OAKS, CA
Name
Employee
13
Name
Twitter
@Atarabio
Name
Next Earnings Date
2026-05-21
Name
Latest SEC Filings
Name
ATRA's Discussions on Twitter

Compare ATRA vs VRTX, REGN, ARGX, ALNY, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ATRA icon
ATRA
Atara Biotherapeutics Inc
9.92 92.53M 23.14M -9.47M -25.88M -0.8827
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
446.83 112.12B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
635.45 65.92B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
891.32 52.38B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
303.05 40.54B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
149.23 33.10B 742.00K -1.37B -1.07B -7.0731

Atara Biotherapeutics Inc Stock (ATRA) Upgrades & Downgrades

Date Action Analyst Rating Change
Jan-13-26 Downgrade Canaccord Genuity Buy → Hold
Nov-09-23 Downgrade Evercore ISI Outperform → In-line
Nov-09-23 Downgrade H.C. Wainwright Buy → Neutral
Nov-09-23 Downgrade Mizuho Buy → Neutral
Jul-20-22 Downgrade Citigroup Neutral → Sell
Jul-13-22 Downgrade JP Morgan Overweight → Neutral
Jul-13-22 Downgrade Stifel Buy → Hold
May-10-22 Downgrade Citigroup Buy → Neutral
May-13-21 Upgrade JP Morgan Neutral → Overweight
Dec-09-20 Downgrade Citigroup Buy → Neutral
Dec-08-20 Reiterated H.C. Wainwright Buy
Nov-10-20 Reiterated H.C. Wainwright Buy
Jun-30-20 Initiated Evercore ISI Outperform
Jun-15-20 Initiated H.C. Wainwright Buy
Apr-23-20 Upgrade Citigroup Neutral → Buy
Nov-08-19 Downgrade JP Morgan Overweight → Neutral
Sep-27-19 Downgrade Goldman Neutral → Sell
Sep-16-19 Downgrade Jefferies Buy → Hold
Jun-04-19 Upgrade Citigroup Sell → Neutral
May-30-19 Initiated ROTH Capital Buy
May-23-19 Initiated Stifel Buy
Jan-23-19 Initiated Mizuho Buy
Apr-10-18 Initiated JP Morgan Overweight
Mar-16-18 Initiated Guggenheim Neutral
Mar-05-18 Reiterated Jefferies Buy
Feb-28-18 Downgrade JMP Securities Mkt Outperform → Mkt Perform
Feb-15-18 Downgrade Citigroup Neutral → Sell
Jan-03-18 Upgrade Citigroup Sell → Neutral
Oct-06-17 Resumed Goldman Neutral
View All

Atara Biotherapeutics Inc Stock (ATRA) Latest News

pulisher
02:36 AM

ATRA stock shoots up 82% in a month: Here's what you should know - MSN

02:36 AM
pulisher
Jun 04, 2026

Bronstein, Gewirtz & Grossman, LLC Announces an Investigation Against Atara Biotherapeutics, Inc. (ATRA) and Encourages Stockholders to Learn More About the Investigation - ACCESS Newswire

Jun 04, 2026
pulisher
Jun 04, 2026

2026-06-04 | Bronstein, Gewirtz & Grossman, LLC Announces an Investigation Against Atara Biotherapeutics, Inc. (ATRA) and Encourages Stockholders to Learn More About the Investigation | NDAQ:ATRA | Press Release - Stockhouse

Jun 04, 2026
pulisher
Jun 03, 2026

Atara Biotherapeutics, Inc. Common Stock (ATRA) Stock Price Today & Analysis - Gotrade

Jun 03, 2026
pulisher
Jun 03, 2026

ATRA News | ATARA BIOTHERAPEUTICS INC (NASDAQ:ATRA) - ChartMill

Jun 03, 2026
pulisher
Jun 02, 2026

Bronstein, Gewirtz & Grossman, LLC Encourages Atara Biotherapeutics, Inc. (ATRA) Investors to Inquire about Securities Investigation - ACCESS Newswire

Jun 02, 2026
pulisher
Jun 02, 2026

Bronstein, Gewirtz & Grossman, LLC Encourages Atara Biotherapeuti - The National Law Review

Jun 02, 2026
pulisher
May 31, 2026

Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Atara Biotherapeutics, Inc. (ATRA) And Encourages Investors to Reach Out - ACCESS Newswire

May 31, 2026
pulisher
May 31, 2026

2026-05-31 | Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Atara Biotherapeutics, Inc. (ATRA) And Encourages Investors to Reach Out | NDAQ:ATRA | Press Release - Stockhouse

May 31, 2026
pulisher
May 28, 2026

How (ATRA) Movements Inform Risk Allocation Models - Stock Traders Daily

May 28, 2026
pulisher
May 28, 2026

Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Atara Biotherapeutics, Inc. (ATRA) And Encourages Stockholders to Reach Out - ACCESS Newswire

May 28, 2026
pulisher
May 28, 2026

2026-05-28 | Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Atara Biotherapeutics, Inc. (ATRA) And Encourages Stockholders to Reach Out | NDAQ:ATRA | Press Release - Stockhouse

May 28, 2026
pulisher
May 26, 2026

The Gross Law Firm Reminds Shareholders of a Lead Plaintiff Deadline of May 22, 2026 in Atara Biotherapeutics, Inc. LawsuitATRA - Morningstar

May 26, 2026
pulisher
May 24, 2026

ATRA FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026 - New Castle News

May 24, 2026
pulisher
May 22, 2026

Atara Biotherapeutics Analyst Ratings and Price Targets | NASDAQ:ATRA - Benzinga

May 22, 2026
pulisher
May 22, 2026

ATRA DEADLINEFINAL REMINDER: Bronstein, Gewirtz & Grossman LLC Alerts Atara Biotherapeutics, Inc. Investors to Participate in the Class Action Lawsuit Today - ACCESS Newswire

May 22, 2026
pulisher
May 22, 2026

ATRA Deadline: Rosen Law Firm Urges Atara Biotherapeutics, Inc. (NASDAQ: ATRA) Stockholders with Losses in Excess of $100K to Contact the Firm for Information About Their Rights - New Castle News

May 22, 2026
pulisher
May 22, 2026

Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit - Barchart.com

May 22, 2026
pulisher
May 22, 2026

ATRA FINAL DEADLINE ALERT: Faruqi & Faruqi, LLP Reminds Atara Bi - GuruFocus

May 22, 2026
pulisher
May 22, 2026

ATRA DEADLINE TODAY: ROSEN, A LEADING LAW FIRM, Encourages - GlobeNewswire

May 22, 2026
pulisher
May 22, 2026

ATRA DEADLINE REMINDER: Bronstein, Gewirtz & Grossman LLC Reminds Atara Biotherapeutics, Inc. Investors to Join the Class Action Lawsuit Today - ACCESS Newswire

May 22, 2026
pulisher
May 22, 2026

ATARA DEADLINE: ROSEN, GLOBAL INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class ActionATRA - TMX Newsfile

May 22, 2026
pulisher
May 21, 2026

ATRARA (NASDAQ:ATRA) DEADLINE MAY 22nd: Bragar Eagel & - GlobeNewswire

May 21, 2026
pulisher
May 21, 2026

Pomerantz Law Firm Announces the Filing of a Class Action Against Atara Biotherapeutics, Inc. and Certain OfficersATRA - PR Newswire

May 21, 2026
pulisher
May 21, 2026

Bronstein, Gewirtz & Grossman LLC Urges Atara - GlobeNewswire

May 21, 2026
pulisher
May 21, 2026

ATRA Stock Shoots Up 82% in a Month: Here's What You Should Know - The Globe and Mail

May 21, 2026
pulisher
May 21, 2026

ATRA EQUITY ACTION REMINDER: Faruqi & Faruqi, LLP Reminds Atara - GuruFocus

May 21, 2026
pulisher
May 21, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit with the Schall Law Firm - GlobeNewswire

May 21, 2026
pulisher
May 21, 2026

ATRA EQUITY ACTION REMINDER: Faruqi & Faruqi, LLP Reminds Atara Biotherapeutics (ATRA) Investors of Securities Class Action Deadline on May 22, 2026 - PR Newswire

May 21, 2026
pulisher
May 20, 2026

Atara Biotherapeutics, Inc. Sued for Securities Law ViolationsInvestors Should Contact Levi & Korsinsky Before May 22, 2026 to Discuss Your RightsATRA - PR Newswire

May 20, 2026
pulisher
May 20, 2026

Atara Biotherapeutics CAO sells $22,036 of company stock By Investing.com - Investing.com Canada

May 20, 2026
pulisher
May 20, 2026

Atara Biotherapeutics CEO AnhCo Nguyen sells $47,844 in stock By Investing.com - Investing.com South Africa

May 20, 2026
pulisher
May 20, 2026

Atara Biotherapeutics CEO AnhCo Nguyen sells $47,844 in stock - Investing.com

May 20, 2026
pulisher
May 20, 2026

Atara (ATRA) CEO sells 5,241 shares in automatic tax sale - Stock Titan

May 20, 2026
pulisher
May 20, 2026

Atara Biotherapeutics (ATRA) CAO sells 2,414 shares to cover RSU tax - Stock Titan

May 20, 2026
pulisher
May 20, 2026

ATRA Shareholders Have Opportunity to Lead Atara Biotherapeutics, Inc. Class Action Lawsuit – Contact Bronstein, Gewirtz and Grossman, LLC Today! - ACCESS Newswire

May 20, 2026
pulisher
May 20, 2026

Deadline Soon: Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz About Securities Fraud Lawsuit - Business Wire

May 20, 2026
pulisher
May 20, 2026

symbol__ Stock Quote Price and Forecast - CNN

May 20, 2026
pulisher
May 20, 2026

Lead Plaintiff Deadlines in Shareholder Class Action - GlobeNewswire

May 20, 2026
pulisher
May 20, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Class Action Lawsuit – Contact Bronstein, Gewirtz and Grossman, LLC Today! - ACCESS Newswire

May 20, 2026
pulisher
May 19, 2026

ATARA DEADLINE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. ... - Caledonian Record

May 19, 2026
pulisher
May 19, 2026

ATARA DEADLINE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages - GlobeNewswire

May 19, 2026
pulisher
May 19, 2026

ATARA DEADLINE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Atara Biotherapeutics, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - GlobeNewswire Inc.

May 19, 2026
pulisher
May 19, 2026

Atara Biotherapeutics Raised to Hold From Sell by Freedom Broker - Moomoo

May 19, 2026
pulisher
May 19, 2026

Atara Biotherapeutics Price Target Raised to $10.00/Share From $4.00 by Freedom Broker - Moomoo

May 19, 2026
pulisher
May 19, 2026

ATRA UPCOMING DEADLINE : The Gross Law Firm Alerts Atara Biotherapeutics, Inc. Stockholders of Securities Class ActionContact the Firm - PR Newswire

May 19, 2026
pulisher
May 19, 2026

Class Action Litigation Filed by Pomerantz LLP for Investors of Atara Biotherapeutics, Inc. – ATRA - ACCESS Newswire

May 19, 2026
pulisher
May 19, 2026

ATRA Upgraded by Freedom Broker -- Price Target Raised to $10 - GuruFocus

May 19, 2026
pulisher
May 18, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, I - GuruFocus

May 18, 2026
pulisher
May 18, 2026

ATRA Investors Have Opportunity to Lead Atara Biotherapeutics, Inc. Securities Fraud Lawsuit - lincolnjournal.com

May 18, 2026
pulisher
May 18, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Atara Biotherapeutics, Inc. Stockholders Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

May 18, 2026

Atara Biotherapeutics Inc Stock (ATRA) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$102.38
price up icon 1.13%
$28.58
price down icon 3.22%
$88.08
price down icon 1.69%
$55.87
price up icon 1.54%
ONC ONC
$270.10
price down icon 3.51%
$149.23
price down icon 4.15%
Cap:     |  Volume (24h):