ATRA · Atara Biotherapeutics, Inc.

Summary

Atara Biotherapeutics, Inc. filed an 8-K on March 12, 2026, under Item 8.01 with Exhibit 99.1 being a press release dated March 12, 2026. No specific disclosure content or Item details beyond the filing structure are provided in the document.

Key takeaways

• Filing date: 2026-03-12
• Form Type: 8-K
• Exhibit 99.1: Press Release dated March 12, 2026
• External Item Hint: Item 8.01
• Exhibit 104: Cover Page Interactive Data File