NASDAQ / LIVE COMPANY INTELLIGENCE

Atara Biotherapeutics, Inc.

Nasdaq-listed company. Follow earnings, filings, products, capital and the competitive forces moving the company.

TICKERATRA
CORENasdaq-listed company
WATCHEarnings + filings + operating news
STATUSContinuously updated
LIVE / ATRA COVERAGE

What’s moving Atara Biotherapeutics, Inc. now

Current reporting with the operating signal separated from the noise.

01
Shareholders that lost money on Atara Biotherapeutics, Inc.(ATRA) Urged to Join Class Action – ...

Shareholders that lost money on Atara Biotherapeutics, Inc.(ATRA) Urged to Join Class Action – ...

Investors are testing whether Atara Biotherapeutics, Inc.’s operating performance supports its strategy and valuation.

Watch next: the filing, cash flow, guidance and capital-expenditure plan.
02
REMINDER: Atara Biotherapeutics, Inc. Investors With Significant Losses Must Act By May 22, 2026 – Contact Kirby McInerney LLP

REMINDER: Atara Biotherapeutics, Inc. Investors With Significant Losses Must Act By May 22, 2026 – Contact Kirby McInerney LLP

The story matters when it changes Atara Biotherapeutics, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
03
Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation

Atara Biotherapeutics, Inc. (ATRA) Shareholders Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation

Investors are testing whether Atara Biotherapeutics, Inc.’s operating performance supports its strategy and valuation.

Watch next: the filing, cash flow, guidance and capital-expenditure plan.
04
Atara Biotherapeutics, Inc. (ATRA) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Investors to Contact the Firm to Learn More About the Investigation

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

The story matters when it changes Atara Biotherapeutics, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
05
Atara Biotherapeutics, Inc. (ATRA) Investigation: Bronstein, Gewirtz & Grossman, LLC Encourages Shareholders to Contact the Firm to Learn More About the Investigation

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

Investors are testing whether Atara Biotherapeutics, Inc.’s operating performance supports its strategy and valuation.

Watch next: the filing, cash flow, guidance and capital-expenditure plan.
06
Atara Biotherapeutics, Inc. Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)

Atara Biotherapeutics, Inc. Reports Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)

The story matters when it changes Atara Biotherapeutics, Inc.’s customers, execution, competitive position or capital requirements.

Watch next: confirmation in a company filing, official release or regulator record.
PRIMARY DOCUMENTS / SEC EDGAR

Latest ATRA filings.

Investor-relevant reports are shown first, followed by the company’s other recent official submissions.

10-QQuarterly financial reportFiled 2026-05-12 · Period 2026-03-31SEC ↗10-QQuarterly financial reportFiled 2025-11-12 · Period 2025-09-30SEC ↗10-KAnnual financial reportFiled 2026-03-16 · Period 2025-12-31SEC ↗8-KMaterial company eventFiled 2026-06-26 · Period 2026-06-22SEC ↗8-KMaterial company eventFiled 2026-06-12 · Period 2026-06-09SEC ↗8-KMaterial company eventFiled 2026-05-12 · Period 2026-05-12SEC ↗DEF 14AProxy and shareholder meetingFiled 2026-04-24 · Period 2026-04-24SEC ↗4Official SEC filingFiled 2026-07-24 · Period 2026-07-22SEC ↗
EARNINGS / QUARTERLY TRACKER

Atara Biotherapeutics, Inc., quarter by quarter.

Results, guidance and earnings coverage are grouped only when the source headline identifies the reporting period.