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ATRA Overview

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0.000
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ET
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Intellectia

Loading chart...

High
4.860
Open
4.400
VWAP
4.66
Vol
60.90K
Mkt Cap
35.33M
Low
4.400
Amount
283.99K
EV/EBITDA(TTM)
1.27
Total Shares
8.18M
EV
69.27M
EV/OCF(TTM)
--
P/S(TTM)
0.45
Atara Biotherapeutics, Inc. is an allogeneic T-cell immunotherapy company. The Company is a developer of T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transformative therapies for patients with serious diseases. Its pipeline products include Ebvallo (Tab-cel), ATA3219, and ATA3431. The Company’s T-cell immunotherapy, tab-cel (tabelecleucel), is in Phase III development for patients with EBV-driven post-transplant lymphoproliferative disease (EBV+ PTLD) who have failed rituximab or rituximab plus chemotherapy, as well as other EBV-driven diseases. Its ATA3219 allogeneic CD19 CAR T immunotherapy, targeting B-cell malignancies and autoimmune diseases, is based on a next-generation 1XX CAR co-stimulatory domain and EBV T-cell platform and does not require TCR or HLA gene editing. ATA3431 is an allogeneic, bispecific CAR directed against CD19 and CD20 for B-cell malignancies and autoimmune disease.
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Events Timeline

(ET)
2026-03-12
08:50:00
Atara Schedules Meeting with FDA to Discuss Tabelecleucel
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2026-03-03 (ET)
2026-03-03
08:10:00
Atara and Pierre Fabre Submit FDA Meeting Request
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2026-02-23 (ET)
2026-02-23
08:20:00
Atara Biotherapeutics Amends Agreement, Delays $9M Payment to 2028
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2026-01-12 (ET)
2026-01-12
08:30:00
Atara Biotherapeutics Receives Complete Response Letter from FDA
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2025-11-12 (ET)
2025-11-12
09:12:31
Atara Biotherapeutics cuts its workforce by 29%
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2025-11-12
09:11:53
Atara Biotherapeutics announces Q3 earnings per share of 32 cents, falling short of the consensus estimate of 67 cents.
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News

Globenewswire
7.0
01:47 AMGlobenewswire
Atara Biotherapeutics Faces Class Action Lawsuit
  • Class Action Initiated: Robbins LLP reminds shareholders that a class action has been filed on behalf of investors who purchased Atara Biotherapeutics (NASDAQ: ATRA) securities between May 20, 2024, and January 9, 2026, alleging the company misled investors regarding its drug candidate's manufacturing issues.
  • Regulatory Scrutiny Risks: The complaint highlights that deficiencies in the ALLELE study make FDA approval of tabelecleucel's Biologics License Application (BLA) unlikely, which not only jeopardizes the company's regulatory prospects but also poses significant risks to ongoing clinical trials and overall financial health.
  • Stock Price Plunge: Following a press release on January 12, 2026, announcing another Complete Response Letter (CRL) from the FDA regarding tabelecleucel, Atara's stock price fell by $7.79, or 56.99%, closing at $5.88 per share, reflecting market pessimism about the company's future.
  • Shareholder Action Guidance: Shareholders wishing to serve as lead plaintiffs in the class action must submit their papers by May 22, 2026, emphasizing the importance of corporate governance and executive accountability, with all representation on a contingency fee basis, requiring no upfront payment.
Globenewswire
7.0
03-31Globenewswire
Atara Biotherapeutics Faces Class Action Lawsuit
  • Class Action Filed: Pomerantz LLP has initiated a class action lawsuit against Atara Biotherapeutics in the Central District of California on behalf of investors who purchased Atara securities between May 20, 2024, and January 9, 2026, seeking damages for violations of federal securities laws, indicating significant investor concerns about the company's future prospects.
  • FDA Regulatory Risks: Atara's Biologics License Application for tabelecleucel received a Complete Response Letter (CRL) from the FDA, citing good manufacturing practice (GMP) compliance issues at a third-party facility, which heightens regulatory scrutiny and jeopardizes ongoing clinical trials, potentially delaying product approval.
  • Stock Price Volatility: Following the CRL announcement on January 16, 2025, Atara's stock plummeted by 40.5% to $7.83 per share, reflecting a severe lack of market confidence in the company's regulatory compliance capabilities and exacerbating investor anxiety.
  • Deteriorating Financial Condition: With the FDA placing a clinical hold on tabelecleucel trials, Atara's stock fell by 56.99% to $5.88 per share on January 12, 2026, highlighting increasing financial pressures that may hinder future funding and operational capabilities.
Globenewswire
7.0
03-31Globenewswire
Class Action Lawsuit Announced for Atara Biotherapeutics
  • Class Action Initiation: Rosen Law Firm announces a class action lawsuit on behalf of Atara Biotherapeutics (NASDAQ: ATRA) securities purchasers from May 20, 2024, to January 9, 2026, indicating potential investor losses due to misleading statements.
  • Compensation Structure: Participants may receive compensation through a contingency fee arrangement without upfront costs, reducing financial barriers for affected investors and encouraging broader participation in the lawsuit.
  • Law Firm Credentials: Rosen Law Firm is renowned for its successful track record in securities class actions, having recovered over $438 million for investors in 2019 alone, showcasing its strength and expertise in handling similar cases.
  • Case Details Unveiled: The lawsuit alleges that Atara failed to disclose manufacturing issues and clinical trial risks during the class period, leading to investor misunderstandings about its financial health, which could significantly impact the company's future market performance.
Globenewswire
7.0
03-31Globenewswire
Multiple Companies Face Class Action Lawsuit Reminder
  • Atara Biotherapeutics Lawsuit: A class action lawsuit against Atara Biotherapeutics, Inc. alleges that from May 20, 2024, to January 9, 2026, the company failed to disclose critical facts regarding its manufacturing and tabelecleucel's regulatory prospects, leading to significant investor losses, with a deadline of May 22, 2026, to apply as lead plaintiff.
  • Coty's Fragrance Segment Issues: Coty Inc. is facing a class action lawsuit alleging that between November 5, 2025, and February 4, 2026, it failed to disclose material facts about slowing growth in its Prestige fragrance segment, prompting affected investors to seek lead plaintiff status by May 22, 2026.
  • Vital Farms ERP Implementation Dispute: The class action lawsuit against Vital Farms, Inc. claims that from May 8, 2025, to February 26, 2026, the company did not disclose important facts regarding the implementation of its new enterprise resource planning system, with a lead plaintiff application deadline of May 26, 2026.
  • Super Micro Compliance Issues: Super Micro Computer, Inc. is involved in a class action lawsuit alleging non-compliance with export control laws from April 30, 2024, to March 19, 2026, with investors needing to apply for lead plaintiff status by May 26, 2026, if they suffered losses during this period.
Globenewswire
7.0
03-31Globenewswire
Atara Biotherapeutics Faces Class Action Lawsuit
  • Class Action Reminder: The Schall Law Firm alerts investors of a class action lawsuit against Atara Biotherapeutics for violations of §§10(b) and 20(a) of the Securities Exchange Act, concerning securities purchased between May 20, 2024, and January 9, 2026, with a deadline to contact the firm by May 22, 2026, to participate.
  • False Statements Allegation: The complaint alleges that Atara faced manufacturing issues and deficiencies in its ALLELE study, making FDA approval of its BLA for tabelecleucel unlikely, while the company overstated the drug's prospects, leading to investor losses.
  • Increased Regulatory Risk: Atara's manufacturing defects have heightened the risk of regulatory action, rendering its public statements false and materially misleading, which further undermines investor confidence and impacts the company's stock price.
  • Legal Consultation Opportunity: The Schall Law Firm offers free consultations, encouraging affected investors to reach out to discuss their rights, showcasing the firm's expertise in representing investors in securities class action lawsuits globally.
PRnewswire
7.0
03-29PRnewswire
Class Action Lawsuit Announced Against Atara Biotherapeutics
  • Class Action Initiation: Rosen Law Firm has announced a class action lawsuit on behalf of investors who purchased Atara Biotherapeutics (NASDAQ:ATRA) securities between May 20, 2024, and January 9, 2026, alleging that the company made false and misleading statements during this period, potentially leading to investor losses.
  • Compensation Mechanism: Investors participating in the class action will not incur any out-of-pocket expenses, as the law firm will operate on a contingency fee basis, ensuring that investors do not bear additional financial burdens during the legal process.
  • Legal Representation Advisory: The Rosen Law Firm emphasizes the importance of selecting qualified counsel with a proven track record, noting that many firms issuing notices may lack the necessary experience and resources, urging investors to be cautious in their choice of legal representation.
  • Impact Analysis: The lawsuit claims that Atara faced manufacturing and clinical trial issues that could jeopardize FDA approval of its biologics license application, likely resulting in significant negative impacts on the company's financial condition, prompting investors to monitor developments closely to assess potential losses.
Wall Street analysts forecast ATRA stock price to rise
2 Analyst Rating
Wall Street analysts forecast ATRA stock price to rise
2 Buy
0 Hold
0 Sell
Moderate Buy
Current: 0.000
sliders
Low
18.00
Averages
21.50
High
25.00
Current: 0.000
sliders
Low
18.00
Averages
21.50
High
25.00
Canaccord
Buy
maintain
$17 -> $25
AI Analysis
2025-12-19
Reason
Canaccord
Price Target
$17 -> $25
AI Analysis
2025-12-19
maintain
Buy
Reason
Canaccord raised the firm's price target on Atara Biotherapeutics to $25 from $17 and keeps a Buy rating on the shares. The firm said they see a reasonable chance for FDA approval of tab-cel in EBV+ post-transplant lymphoproliferative disease (EBV+ PTLD) by the upcoming action date of January 11, 2026. The $40M milestone upon approval will help to reinvigorate its pipeline.
Mizuho
Salim Syed
Outperform
maintain
$16 -> $18
2025-11-20
Reason
Mizuho
Salim Syed
Price Target
$16 -> $18
2025-11-20
maintain
Outperform
Reason
Mizuho analyst Salim Syed raised the firm's price target on Atara Biotherapeutics to $18 from $16 and keeps an Outperform rating on the shares. The firm said it raised its price target on decreased operating expense, adding that it is watching the January 10, 2026 PDUFFA date for tab-cel and any word on the company's strategic alternatives valuation.
Unlock Full Analyst Thesis, Get the complete breakdown of rating reason for ATRA
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Valuation Metrics

The current forward P/E ratio for Atara Biotherapeutics Inc (ATRA.O) is 232.56, compared to its 5-year average forward P/E of 14.55. For a more detailed relative valuation and DCF analysis to assess Atara Biotherapeutics Inc's fair value, Click here.

Forward PE

The forward P/E ratio is a valuation metric that divides a company's current stock price by its estimated future earnings per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PE
14.55
Current PE
232.56
Overvalued PE
86.81
Undervalued PE
-57.71

Forward EV/EBITDA

The forward EV/EBITDA ratio is a valuation metric that divides a company's enterprise value (EV) by its estimated future earnings before interest, taxes, depreciation, and amortization (EBITDA) over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average EV/EBITDA
-1.51
Current EV/EBITDA
9.10
Overvalued EV/EBITDA
5.94
Undervalued EV/EBITDA
-8.96

Forward PS

The forward P/S ratio is a valuation metric that divides a company's current stock price by its estimated future sales (or revenue) per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PS
10.12
Current PS
1.51
Overvalued PS
24.33
Undervalued PS
-4.10

Financials

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Whales Holding ATRA

E
EcoR1 Capital, LLC
Holding
ATRA
-1.35%
3M Return

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Frequently Asked Questions

What is Atara Biotherapeutics Inc (ATRA) stock price today?

The current price of ATRA is 4.73 USD — it has increased 9.49

What is Atara Biotherapeutics Inc (ATRA)'s business?

Atara Biotherapeutics, Inc. is an allogeneic T-cell immunotherapy company. The Company is a developer of T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transformative therapies for patients with serious diseases. Its pipeline products include Ebvallo (Tab-cel), ATA3219, and ATA3431. The Company’s T-cell immunotherapy, tab-cel (tabelecleucel), is in Phase III development for patients with EBV-driven post-transplant lymphoproliferative disease (EBV+ PTLD) who have failed rituximab or rituximab plus chemotherapy, as well as other EBV-driven diseases. Its ATA3219 allogeneic CD19 CAR T immunotherapy, targeting B-cell malignancies and autoimmune diseases, is based on a next-generation 1XX CAR co-stimulatory domain and EBV T-cell platform and does not require TCR or HLA gene editing. ATA3431 is an allogeneic, bispecific CAR directed against CD19 and CD20 for B-cell malignancies and autoimmune disease.

What is the price predicton of ATRA Stock?

Wall Street analysts forecast ATRA stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for ATRA is21.50 USD with a low forecast of 18.00 USD and a high forecast of 25.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.

What is Atara Biotherapeutics Inc (ATRA)'s revenue for the last quarter?

Atara Biotherapeutics Inc revenue for the last quarter amounts to 1.59M USD, decreased -95.13

What is Atara Biotherapeutics Inc (ATRA)'s earnings per share (EPS) for the last quarter?

Atara Biotherapeutics Inc. EPS for the last quarter amounts to -0.25 USD, decreased -78.99

How many employees does Atara Biotherapeutics Inc (ATRA). have?

Atara Biotherapeutics Inc (ATRA) has 14 emplpoyees as of April 01 2026.

What is Atara Biotherapeutics Inc (ATRA) market cap?

Today ATRA has the market capitalization of 35.33M USD.