Issuer · CIK 0001604464
ATRA — Atara Biotherapeutics, Inc.
Recent filings
- Jun 15, 2026·Form 4·Other—
ATRA/Atara Biotherapeutics, Inc.
Cherry Brian N · director
Mechanical filing
AI thesis skipped - Jun 11, 2026·Form 4·Other—
ATRA/Atara Biotherapeutics, Inc.
HEIDEN WILLIAM K · director
Mechanical filing
AI thesis skipped - Jun 11, 2026·Form 4·Other—
ATRA/Atara Biotherapeutics, Inc.
Fust Matthew K · director
Mechanical filing
AI thesis skipped - Jun 11, 2026·Form 4·Other—
ATRA/Atara Biotherapeutics, Inc.
Ciongoli Gregory Austin · director
Mechanical filing
AI thesis skipped - May 20, 2026·Form 4·Sell$47.8K
ATRA/Atara Biotherapeutics, Inc.
Nguyen AnhCo · President and CEO
Mechanical filing
AI thesis skipped - May 20, 2026·Form 4·Sell$22K
ATRA/Atara Biotherapeutics, Inc.
Grant-Huerta Yanina · Chief Accounting Officer
Mechanical filing
AI thesis skipped - May 11, 2026·Form 4·Buy$4.7M
ATRA/Atara Biotherapeutics, Inc.
EcoR1 Capital, LLC · 10pct_owner
22conviction - Mar 11, 2026·Form 4·Other—
ATRA/Atara Biotherapeutics, Inc.
Grant-Huerta Yanina · Chief Accounting Officer
Mechanical filing
AI thesis skipped