SC 13D/AThe Stakes
Atara Biotherapeutics, Inc. files SC 13D/A
Filed May 11, 2026 · 1mo ago · Accession 0001193125-26-217389
Plain English
Activist stake — an investor has acquired more than 5% with intent to influence.
Read the source below for the full document.
Filing details
- Company
- Atara Biotherapeutics, Inc.
- Ticker
- ATRA
- CIK
- 1604464
- Form type
- SC 13D/A
- Filing date
- May 11, 2026
- Report date
- —
- Document
- —
- Size
- —