Medical Professionals
Information for Healthcare Providers
Clinical Studies
Expanded Access
Educational Grants
Request Information
Press Releases
Suppliers
Skip to main content
Skip to footer
Atara Biotherapeutics
Our Company
About Us
Responsibility
Technology
Pipeline
Atara Pipeline
Tab-cel
®
ATA188
ATA3219
ATA2271/ATA3271
Patients & Families
Our Mission
Stories of Strength
About EBV
PTLD
Multiple Sclerosis
Clinical Studies
Expanded Access
Investors & Media
Investors & Media
News & Events
Financial Results
ATRA Stock
Analyst Coverage
SEC Filings
Governance
Careers
Careers Home
Career Areas
Job Search
Contact
Medical Professionals
Press Releases
Suppliers
LinkedIn
Twitter
Search
Investors & Media
Investors & Media
Investors & Media
News & Events
Overview
Press Releases
Events
Presentations
Email Alerts
Investor & Media Contacts
Financial Results
Overview
Financial Results
Income Statement
Balance Sheet
Cash Flow
ATRA Stock
Quote
Charts
Historical Data
FAQ
Classification Info
Analyst Coverage
SEC Filings
Overview
All SEC Filings
Annual Reports
Quarterly Reports
Section 16 Filings
Governance
Overview
Board of Directors
Board Committees
Governance Documents
Contact The Board
News
Careers
All SEC Filings
SEC Filings
Overview
All SEC Filings
Annual Reports
Quarterly Reports
Section 16 Filings
Filing Type:
View All
10-K
10-K/A
10-Q
3
4
4/A
424B1
424B4
424B5
8-A12B
8-K
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEL AM
DRS
DRS/A
DRSLTR
EFFECT
FWP
S-1
S-1/A
S-1MEF
S-3
S-3ASR
S-8
SC 13G
SC 13G/A
UPLOAD
Year:
View All
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
Date
Form
Description
PDF
XBRL
Pages
02/03/23
SC 13G
Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions
4
01/24/23
SC 13G/A
Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions
5
01/18/23
SC 13G/A
Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions
5
01/06/23
8-K
Current report filing
3
12/20/22
8-K
Current report filing
3
12/19/22
8-K
Current report filing
3
12/16/22
3
Initial statement of beneficial ownership of securities
Documents
EX-24
2
11/18/22
4
Statement of changes in beneficial ownership of securities
Documents
EX-24
2
11/18/22
4
Statement of changes in beneficial ownership of securities
Documents
EX-24
2
11/18/22
4
Statement of changes in beneficial ownership of securities
Documents
EX-24
2
1
2
3
4
5
6
7
8
9
10
Next
Email Alerts
Contacts
RSS News Feed