Skip to main content
Skip to section navigation
Skip to footer
Medical Professionals
Information for Healthcare Providers
Clinical Studies
Expanded Access
Educational Grants
Request Information
Press Releases
Suppliers
Atara Biotherapeutics
Our Company
About Us
Responsibility
Technology
Technology
Manufacturing
CAR T
Pipeline
Atara Pipeline
Tab-cel
®
ATA3219
ATA3431
Patients & Families
Our Mission
ATA3219 Trial (NHL)
ATA3219 Trial (SLE/LN)
Stories of Strength
About EBV
PTLD
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
News
Careers
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
Overview
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
Investor Relations
SEC Filings
All SEC Filings
Filing Type:
View All
10-K
10-K/A
10-Q
144
3
4
4/A
424B1
424B3
424B4
424B5
8-A12B
8-K
CERTNAS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
DEL AM
DRS
DRS/A
DRSLTR
EFFECT
FWP
POS AM
POSASR
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3ASR
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
UPLOAD
Year:
View All
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
Date
Form
Description
PDF
XBRL
Pages
02/15/22
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
Documents
expand_more
EX-99.A
EX-99.B
11
02/14/22
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
Documents
expand_more
EX-99.1
6
02/14/22
4
Statement of changes in beneficial ownership of securities
2
02/14/22
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
9
02/09/22
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
7
02/09/22
4
Statement of changes in beneficial ownership of securities
2
02/09/22
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
4
02/09/22
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
3
02/03/22
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
01/26/22
8-K
Current report filing
Documents
expand_more
EX-99.1
7
rss_feed
Filing RSS
Previous Page
arrow_back
Page
1
…
…
Page
19
Page
20
Page
21
Page
22
Page
23
Page
24
Page
25
Page
26
Page
27
Page
28
…
…
Page
101
Next Page
arrow_forward
Email Alerts
Contacts
RSS News Feed