FilingIndex
SC 13D/AThe Stakes

Atara Biotherapeutics, Inc. files SC 13D/A

Filed Jan 14, 2026 · 5mo ago · Accession 0001193125-26-013362

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
Ticker
ATRA
CIK
1604464
Form type
SC 13D/A
Filing date
Jan 14, 2026
Report date
Document
Size