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Atara Biotherapeutics, Inc. 
 CA
  SEC # 1604464

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939  SEC Filings
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  from  4/9/14  to  3/28/24  (Today)

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  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘10-K’ — Annual Report — Form 10-K — for 12/31/23 — Filed as:  Filer / Offerer 
 
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notifications of all
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Filings
involving  Atara Biotherapeutics, Inc. 

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Forms
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, Documents
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& Exhibits
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 in  251 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
3/28/24 New Document this Past Month!10-KUpdate:  Annual Reports — Form 10-K  New Document this Past Month!  — Financial Reports
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11
3/28/24 New Document this Past Month!8-KUpdate:  Current Reports — Form 8-K  New Document this Past Month!  — Press Releases
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& Conference Calls
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 — Financial Reports
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106

8-K Items: 
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1/9/24
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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13
5/19/22 OLD"Termination of a Material Definitive Agreement — Item 1.02  OLD  — ‘EX-10’
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1
4/4/22 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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1
3/28/24 New Document this Past Month!"Results of Operations and Financial Condition — Item 2.02  New Document this Past Month!  — Financial Reports
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40
1/6/23 OLD"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03  OLD  — ‘EX-10’
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1
1/8/24"Cost Associated with Exit or Disposal Activities — Item 2.05 — ‘EX-2’
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3
1/9/24
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  Securities & Trading: 
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing — Item 3.011
2/23/24
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  Governance & Management: 
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02 — List of Directors & Officers
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30
9/27/22 OLD"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03  OLD  — ‘EX-3’
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1
6/5/23"Submission of Matters to a Vote of Security Holders — Item 5.079
1/8/24
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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5
1/8/24
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  Events: 
Other Events — Item 8.0117
3/28/24 New Document this Past Month!
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  Financials: 
Financial Statements and Exhibits — Item 9.01  New Document this Past Month!  — Financial Reports
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63

1/9/24424B5Registration:  Prospectuses – Primary Offerings and Shelf Securities – New Facts or Events16
1/3/24S-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-815
11/17/23424B3Registration:  Prospectus – New Facts or Events1
11/14/23EFFECTSEC:  SEC Notices of Effectiveness6
11/8/23CORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ] — All Correspondence with the SEC
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11
11/1/23S-3Registration:  Registration Statements – Securities for Transactions — Form S-32
11/1/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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28
4/7/23DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A11
4/7/23DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A — Financial Reports
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9
3/24/23 OLDPRE 14AProxy:  Preliminary Proxy Statement — Schedule 14A  OLD  — Financial Reports
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1
2/8/23 OLDPOS AMRegistration:  Post-Effective Amendment of a Registration Statement  OLD 1
2/8/23 OLDPOSASRRegistration:  Post-Effective Amendment of an Automatic Shelf Registration Statement — Form S-3/F-3ASR  OLD 1
2/14/22 OLDSC 13GOwnership:  Statement of Acquisition of Beneficial Ownership by a “Passive” Investor — Schedule 13G  OLD 1
3/1/21 OLDS-3ASRRegistration:  Automatic Shelf Registration Statements by Well-Known Issuers — Form S-3  OLD 2
3/11/19 OLDCT ORDERSEC:  SEC Confidential Treatment Orders  OLD 6
1/3/18 OLDFWPRegistration:  Prospectus – Free Writing  OLD 1
11/10/15 OLDDEL AMRegistration:  Registration Effectiveness-Delaying Amendment  OLD 1
7/10/15 OLD424B1Registration:  Prospectus – Info Previously Omitted  OLD 1
7/9/15 OLDS-1MEFRegistration:  Registration Statements to Add Securities to Prior Form S-1 Registrations  OLD 2
7/9/15 OLDS-1Registration:  Registration Statements (General Form) — Form S-1  OLD  — Financial Reports
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9
2/12/15 OLD424B4Registration:  Prospectuses – Info Previously Omitted & New Facts or Events  OLD 2
7/31/14 OLDCERTNASTrading:  Certification by the Nasdaq Stock Market Approving a Listing — Form CERT  OLD 1
7/16/14 OLD8-A12BRegistration:  Registration Statement for a Class of Securities — Form 8-A  OLD 1
6/11/14 OLDDRSLTRComment:  Comment-Response and Draft-Registration-Statement Letters to the SEC  [ a.k.a. CORRESP ]  OLD  — All Correspondence with the SEC
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2
6/11/14 OLDDRSRegistration:  Draft Registration Statements by Emerging Growth Companies and Foreign Issuers — Form DRS  OLD 3

General Exhibits: 
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3/28/24 New Exhibit this Past Month!EX-97Clawback Policy re: Recovery of Erroneously Awarded Compensation  New Exhibit this Past Month! 1
3/28/24 New Exhibit this Past Month!EX-23Consents of Experts and Counsel  New Exhibit this Past Month! 42
3/28/24 New Exhibit this Past Month!EX-10Material Contracts  New Exhibit this Past Month! 128
3/28/24 New Exhibit this Past Month!EX-21Subsidiaries Lists  New Exhibit this Past Month! 12
1/9/24EX-4Instruments, Including Indentures, Defining the Rights of Security Holders22
1/9/24EX-5Opinions of Counsel re: Legality37
1/3/24EX-FILING FEESFiling Fees6
11/1/23EX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)13
9/27/22 OLDEX-3Articles of Incorporation/Organization and Bylaws  OLD 10
4/4/22 OLDEX-2Plan of Acquisition, Reorganization, Arrangement, Liquidation or Succession  OLD 1

Additional Exhibits: 
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3/28/24 New Exhibit this Past Month!EX-99Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month!  — Press Releases
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& Conference Calls
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53

Financials: 
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3/28/24 New Exhibit this Past Month!EX-31Certifications — §302 – SOA’02  New Exhibit this Past Month! 78
3/28/24 New Exhibit this Past Month!EX-32Certifications — §906 – SOA’02  New Exhibit this Past Month! 38
3/28/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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1,926
3/28/24 New Workbook this Past Month!EXCELIDEA Workbooks of Financial Reports Info  New Workbook this Past Month!  — Workbooks of Financial Reports
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99
3/28/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 379
3/28/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 75
3/28/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
95
2/27/18 OLDEX-12Statements re: Computations of Ratios  OLD 2

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3/28/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 796


Forms
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, Documents
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& Exhibits
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 in  690 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CUSIP 046513
 

        
Latest Filing  Type    Category    Description        Documents
     
3/18/24 New Document this Past Month!SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G  New Document this Past Month! 98
3/6/24 New Document this Past Month!4Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4  New Document this Past Month! 543
3/4/24 New Document this Past Month!144Ownership:  Notices of Proposed Sales of Securities by Insiders — Form 144  New Document this Past Month! 5
6/9/233Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 335
1/3/18 OLDFWPRegistration:  Prospectus – Free Writing  OLD 1

Letters: 
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11/6/23LETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ] — All Correspondence with the SEC8
11/6/23TEXT-EXTRACTComment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]3

General Exhibits: 
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3/4/24 New Exhibit this Past Month!EX-24Powers of Attorney  New Exhibit this Past Month! 76
2/16/21 OLDEX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)  OLD 5

Additional Exhibits: 
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3/18/24 New Exhibit this Past Month!EX-99Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month! 23

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1/3/18 OLDGRAPHICPhotos, Images and Graphs  OLD 32


        

Filings History

Year    # of Filings
In descending order
2024 31
2023 85
2022 63
2021 83
2020 70
2019 82
2018 135
2017 109
2016 94
2015 128
2014 59

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