Atara Biotherapeutics extends $9 million payment deadline to 2028

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Atara Biotherapeutics Provides a Business Update

February 23, 2026 8:00 AM EST

Atara renegotiates one-time milestone payment with HCRx

THOUSAND OAKS, Calif.--(BUSINESS WIRE)-- Atara Biotherapeutics, Inc. (Nasdaq: ATRA), a leader in T-cell immunotherapy, leveraging its novel allogeneic Epstein-Barr virus (EBV) T-cell platform to develop transformative therapies for patients with cancer and autoimmune diseases,... More