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Atara Biotherapeutics, Inc.
ATRA
·
NASDAQ
·
$9.61
Share Price as of 11/2
·
$87M
Market Cap as of 11/2
Categorized
Chronological
Ownership
Credit
Contracts
Plans
Incorporation
Transcripts
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Financials
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10-Q
Q2 ended 06/30/26
08/12/26
10-Q
Q1 ended 03/31/26
05/12/26
10-K
FY 2025
03/16/26
10-Q
Q3 ended 09/30/25
11/12/25
10-Q
Q2 ended 06/30/25
08/11/25
Disclosures
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8-K
Current report
08/12/26
8-K
Current report
06/26/26
8-K
Current report
06/12/26
8-K
Current report
05/12/26
8-K
Current report
05/07/26
Prospectuses and Registrations
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S-8
Registration of securities for employees
06/12/26
424B5
Prospectus supplement
05/12/26
424B3
Prospectus
03/25/26
S-3
Shelf registration
03/17/26
424B5
Prospectus supplement
03/16/26
Proxies
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DEF 14A
Definitive proxy
04/24/26
DEFA14A
Additional proxy materials
04/24/26
DEF 14A
Definitive proxy
04/28/25
DEFA14A
Additional proxy materials
04/28/25
DEFR14A
Definitive proxy (revised)
05/10/24
Ownership
Filter
Form 4
Insider transaction
09/04/26
144
Proposed sale of securities
08/26/26
Form 4
Insider transaction
08/26/26
SC 13G/A
Beneficial ownership (amended)
08/14/26
Form 4
Insider transaction
07/24/26
Other
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EFFECT
Request for effectiveness
03/25/26
CORRESP
Correspondence with the SEC
03/23/26
UPLOAD
Letter from the SEC
03/20/26
EFFECT
Request for effectiveness
11/13/23
CORRESP
Correspondence with the SEC
11/08/23
Latest Filings
Filter
10-Q
Q2 ended 06/30/26
08/12/26
8-K
Current report
08/12/26
8-K
Current report
06/26/26
8-K
Current report
06/12/26
S-8
Registration of securities for employees
06/12/26
Ownership
Filter
Form 4
Insider transaction
09/04/26
144
Proposed sale of securities
08/26/26
Form 4
Insider transaction
08/26/26
SC 13G/A
Beneficial ownership (amended)
08/14/26
Form 4
Insider transaction
07/24/26