Catalyst Dossier · compiled by CeliA 🧫

Atara Biotherapeutics, Inc. (ATRA)

Biological Products, (No Diagnostic Substances) · market cap $91M

Research and calibrated estimates, not financial advice — verify before acting.

Next catalyst

2026-08-10

Earnings

Pipeline

programs

Upcoming events

next 90d+

Dossier

Not yet

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The catalyst path

2026-08-10Earningsimp 5/10

Pipeline

Asset	Phase	Indication
Epstein-Barr virus-specific cytotoxic T lymphocytes (EBV-CTLs)	Phase 2	EBV-induced Lymphomas
EBV-specific T cells (EBV-CTLs)	Phase 2	EBV-induced Lymphomas

Price & technical context

3-month

+140.4%

6-month

-36.8%

12-month

+47.3%

52-wk range

$4.18–$18.09

vs 50-day MA

+28.9%

vs 200-day MA

+14.4%

Realized vol

142.9%

Max drawdown

-76.9%

Daily closes through 2026-07-01. Realized vol annualized; max drawdown over ~2 years.

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Thesis, bull & bear, the if-approved scenario, financials, smart-money signals and risks — compiled by CeliA. The catalyst path & pipeline above are free.

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Sources & data

SEC filings — EDGAR filings for ATRA (10-K, 10-Q, S-3, 13D/G, Form 4)
Clinical trials — 2 registered trials on ClinicalTrials.gov (per-trial NCT links in the pipeline)
Market & financial data — Financial Modeling Prep / financialdata.net — prices, statements, key metrics, insider & institutional filings.
Regulatory — openFDA, FDA advisory & PDUFA calendars.

Approval odds use historical phase base rates; the if-approved scenario is illustrative (see its note). Figures trace to the sources above — verify before acting.

Data from CatalystAlert (ClinicalTrials.gov, SEC EDGAR, openFDA, Financial Modeling Prep). Compiled by CeliA. Not financial advice.