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Atara Biotherapeutics Inc stock is traded at $9.18, with a volume of 19,493. It is down -4.87% in the last 24 hours and down -9.20% 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:
$9.65
Open:
$9.67
24h Volume:
19,493
Relative Volume:
0.67
Market Cap:
$92.15M
Revenue:
$23.14M
Net Income/Loss:
$-9.47M
P/E Ratio:
-10.40
EPS:
-0.8827
Net Cash Flow:
$-25.88M
1W Performance:
-3.16%
1M Performance:
-9.20%
6M Performance:
+75.19%
1Y Performance:
-39.78%
1-Day Range:
Value
$9.18
$9.905
1-Week Range:
Value
$8.80
$9.9899
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
14
Name
Twitter
@Atarabio
Name
Next Earnings Date
2026-11-11
Name
Latest SEC Filings
Name
ATRA's Discussions on Twitter

Compare ATRA vs VRTX, MRNA, REGN, ARGX, ONC

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
ATRA icon
ATRA
Atara Biotherapeutics Inc
9.18 92.15M 23.14M -9.47M -25.88M -0.8827
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
499.74 126.66B 12.34B 4.34B 3.71B 16.87
MRNA icon
MRNA
Moderna Inc
218.01 87.04B 2.23B -3.19B -1.60B -8.1462
REGN icon
REGN
Regeneron Pharmaceuticals Inc
790.74 81.41B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
819.14 51.51B 4.16B 1.29B 734.26M 19.58
ONC icon
ONC
Beone Medicines Ltd Adr
369.06 41.75B 5.76B 514.49M 1.10B 4.4813

Atara Biotherapeutics Inc Stock (ATRA) Upgrades & Downgrades

Date Action Analyst Rating Change
May-08-26 Upgrade Canaccord Genuity Hold → Buy
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
Oct 07, 2026

Atara Biotherapeutics Share PriceATRA, RNS News, Articles, Quotes, & Charts (NASDAQ:ATRA) - Proactive financial news

Oct 07, 2026
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Oct 07, 2026

Atara Biotherapeutics Inc (ATRA) Stock Price, Trades & News - GuruFocus

Oct 07, 2026
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Oct 07, 2026

Atara Biotherapeutics, Inc. (ATRA) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Stockholders to Contact the Firm to Learn More About the Investigation - ACCESS Newswire

Oct 07, 2026
pulisher
Oct 05, 2026

Precision Trading with Atara Biotherapeutics Inc. (ATRA) Risk Zones - Stock Traders Daily

Oct 05, 2026
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Oct 01, 2026

Atara, Pierre Fabre take third shot at FDA approval of Ebvallo - BioWorld News

Oct 01, 2026
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Sep 30, 2026

Atara Partner Resubmits Tabelecleucel FDA Application - grafa.com

Sep 30, 2026
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Sep 30, 2026

Atara Biotherapeutics (ATRA) Sees FDA Resubmission for Tabelecle - GuruFocus

Sep 30, 2026
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Sep 30, 2026

Atara Biotherapeutics Reports that the Tabelecleucel Biologics License Application Has Been Resubmitted to the U.S. Food and Drug Administration - Business Wire

Sep 30, 2026
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Sep 13, 2026

Atara Biotherapeutics, Inc. (ATRA) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Shareholders to Contact the Firm to Learn More About the Investigation - ACCESS Newswire

Sep 13, 2026
pulisher
Sep 12, 2026

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

Sep 12, 2026
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Sep 11, 2026

Bronstein, Gewirtz & Grossman, LLC Is Investigating Atara Biotherapeutics, Inc. (ATRA) And Encourages Investors to Connect - accessnewswire.com

Sep 11, 2026
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Sep 10, 2026

Multiple Sclerosis Market Outlook 2036: Growth Trends, Competitive Landscape, and Future Opportunities by 2034 – DelveInsight | Biogen, Immune Response BioPharma, ImCyse, Atara Bio, Emerald Health - Barchart.com

Sep 10, 2026
pulisher
Sep 10, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Anno - The National Law Review

Sep 10, 2026
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Sep 06, 2026

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

Sep 06, 2026
pulisher
Sep 06, 2026

Independent Director of Atara Biotherapeutics Picks Up 272% More Stock - simplywall.st

Sep 06, 2026
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Sep 05, 2026

New Form 4 - Moomoo

Sep 05, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics (ATRA) Director Brian Cherry Buys 104,166 Shares - GuruFocus

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares - Investing.com Canada

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares - Investing.com Australia

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares - Investing.com Nigeria

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares - Investing.com India

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares - investing.com

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics director Brian Cherry buys nearly $1m in shares By Investing.com - Investing.com South Africa

Sep 04, 2026
pulisher
Sep 04, 2026

Atara Biotherapeutics Director Purchased Shares Worth Over $999K - TradingView

Sep 04, 2026
pulisher
Sep 04, 2026

(ATRA) Movement as an Input in Quant Signal Sets - Stock Traders Daily

Sep 04, 2026
pulisher
Sep 04, 2026

ATRA Shareholders Have Opportunity to Lead Atara Biotherapeutics - The National Law Review

Sep 04, 2026
pulisher
Aug 30, 2026

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

Aug 30, 2026
pulisher
Aug 27, 2026

Atara Biotherapeutics president and CEO sells $40,882 in shares By Investing.com - Investing.com Nigeria

Aug 27, 2026
pulisher
Aug 26, 2026

Atara Biotherapeutics president and CEO sells $40,882 in shares - Investing.com India

Aug 26, 2026
pulisher
Aug 26, 2026

Atara Biotherapeutics (ATRA) employee plans 5,062-share tax sale - Stock Titan

Aug 26, 2026
pulisher
Aug 26, 2026

Atara Biotherapeutics president and CEO sells $40,882 in shares - Investing.com

Aug 26, 2026
pulisher
Aug 18, 2026

Atara (ATRA) Results Breakdown: Profit Per Share Surpasses Its Benchmark on the Day; Post-Report Move: The Stock Records a 1.26% Increase at the CloseProfit Growth Outlook - vinanet.vn

Aug 18, 2026
pulisher
Aug 16, 2026

ATRA SHAREHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Anno - The National Law Review

Aug 16, 2026
pulisher
Aug 16, 2026

Atara Biotherapeutics (NASDAQ:ATRA) Rating Increased to Hold at Wall Street Zen - MarketBeat

Aug 16, 2026
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Aug 15, 2026

Why (ATRA) Price Action Is Critical for Tactical Trading - Stock Traders Daily

Aug 15, 2026
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Aug 14, 2026

Atara Biotherapeutics (ATRA): Point72 entities report 7.6% beneficial stake - Stock Titan

Aug 14, 2026
pulisher
Aug 14, 2026

Atara Biotherapeutics, Inc.: Revenue and Earnings Analysts Forecasts Revisions | ATRA | US0465132068 - marketscreener.com

Aug 14, 2026
pulisher
Aug 13, 2026

Atara Biotherapeutics Inc earnings missed by $0.10, revenue fell short of estimates - Investing.com Nigeria

Aug 13, 2026
pulisher
Aug 13, 2026

Atara Biotherapeutics Announces Second Quarter 2026 Financial Results and Operational Progress - BioSpace

Aug 13, 2026
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Aug 12, 2026

Atara Biotherapeutics cuts costs 87%, extends cash runway to mid-2027 - scanx.trade

Aug 12, 2026
pulisher
Aug 12, 2026

Atara Biotherapeutics Inc earnings missed by $0.10, revenue fell short of estimates - Investing.com

Aug 12, 2026
pulisher
Aug 12, 2026

Is Atara Biotherapeutics Inc (ATRA) Positioned for Growth After - GuruFocus

Aug 12, 2026
pulisher
Aug 12, 2026

Atara Biotherapeutics (NASDAQ:ATRA) Announces Quarterly Earnings Results - MarketBeat

Aug 12, 2026
pulisher
Aug 12, 2026

Atara Biotherapeutics Inc earnings missed by $0.10, revenue fell short of estimates - Investing.com

Aug 12, 2026
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Aug 12, 2026

Atara Biotherapeutics 2Q 2026: Revenue $0.63M, Net loss $(9.0)M — 10-Q Summary - TradingView

Aug 12, 2026
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Aug 12, 2026

Atara Biotherapeutics: Q2 Earnings Snapshot - AOL.com

Aug 12, 2026
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Aug 12, 2026

BRIEF-Atara Biotherapeutics Q2 EPS USD -0.32 - TradingView

Aug 12, 2026
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Aug 12, 2026

Atara Biotherapeutics Announces Second Quarter 2026 Financial Results and Operational Progress - Business Wire

Aug 12, 2026
pulisher
Aug 11, 2026

Atara Biotherapeutics (ATRA) Rallies 3.8% to $8.94, Approaching Resistance at $9.39Negative Gamma - vinanet.vn

Aug 11, 2026
pulisher
Aug 10, 2026

Atara Biotherapeutics (NASDAQ:ATRA): What Could Today’s Update Reveal About Program Focus And Funding Discipline? - Kalkine Media

Aug 10, 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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Atara Biotherapeutics Inc Stock (ATRA) Insider Trading

Insider Trading Relationship Date Transaction Cost #Shares Value ($) #Shares Total
Nguyen AnhCo
Director
Aug 17 '26
Proposed Sale
8.36
5,062
42,318
0
Nguyen AnhCo
President and CEO
Aug 17 '26
Sale
8.08
5,062
40,883
132,775
Nguyen AnhCo
President and CEO
May 18 '26
Sale
9.13
5,241
47,845
137,837
Grant-Huerta Yanina
Chief Accounting Officer
May 18 '26
Sale
9.13
2,414
22,036
49,636
Nguyen AnhCo
Director
May 18 '26
Proposed Sale
10.48
5,981
62,681
0
Grant-Huerta Yanina
Officer
May 18 '26
Proposed Sale
10.48
2,754
28,862
0
Panacea Innovation Ltd
10% Owner
May 07 '26
Sale
10.10
313,446
3,165,021
1,011,000
EcoR1 Capital, LLC
10% Owner
May 07 '26
Buy
9.35
507,407
4,744,255
1,552,000
Panacea Innovation Ltd
10% Owner
May 07 '26
Proposed Sale
10.10
313,446
3,165,021
0
Panacea Innovation Ltd
10% Owner
Mar 17 '26
Option Exercise
0.00
259,163
26
307,899
$6.58
price down icon 4.22%
$9.94
price down icon 3.21%
$5.53
price down icon 3.66%
$11.27
price down icon 6.16%
$18.60
price down icon 1.74%
WVE WVE
$3.13
price down icon 1.88%
Cap:     |  Volume (24h):