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Atara Biotherapeutics, Inc. — Investor Relations & Filings

Ticker · ATRA ISIN · US0465131078 LEI · 549300WBXUXZRE03MS38 US Professional, scientific and technical activities
Filings indexed 1,061 across all filing types
Latest filing 2026-03-26 Regulatory Filings
Country US United States of America
Listing US ATRA

About Atara Biotherapeutics, Inc.

https://www.atarabio.com/

Atara Biotherapeutics, Inc. is an allogeneic T-cell immunotherapy company that develops off-the-shelf treatments for patients with cancer and autoimmune diseases. The company leverages its proprietary Epstein-Barr virus (EBV) T-cell platform and novel chimeric antigen receptor (CAR) technologies to create a pipeline of investigational therapies. Its allogeneic approach enables the manufacturing of T-cell therapies from healthy donors, which can be stored in inventory and rapidly delivered to patients. Atara is the first company to receive regulatory approval for an allogeneic T-cell immunotherapy, utilizing a scalable manufacturing process and a versatile platform with potential applications for a wide range of disease targets.

Recent filings

Filing Released Lang Actions
EFFECT - Atara Biotherapeutics, Inc. (0001604464) (Filer)
Regulatory Filings
2026-03-26 English
S-3 - Atara Biotherapeutics, Inc. (0001604464) (Filer)
Registration Form
2026-03-17 English
4 - ATARA BIOTHERAPEUTICS, INC. (0001604464) (Filer)
Director's Dealing
2026-03-04 English
4 - ATARA BIOTHERAPEUTICS, INC. (0001604464) (Filer)
Director's Dealing
2026-03-04 English
8-K - ATARA BIOTHERAPEUTICS, INC. (0001604464) (Filer)
Regulatory Filings
2026-03-03 English
8-K - Atara Biotherapeutics, Inc. (0001604464) (Filer)
Regulatory Filings
2026-02-23 English

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