Atara Biotherapeutics ATRA SEC Filings

NASDAQ ATRA
$9.71 -0.20 (-2.02%)
As of: Sep 10, 2026 · 12:18 PM EDT
EDGAR Disclosures

Regulatory Filings

Source SEC EDGAR

Every regulatory document Atara Biotherapeutics, Inc. (ATRA) has filed with the SEC, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

# Form Type Form Group Accession Date Filing Index