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SELLAS Life Sciences Group, Inc. 
 NY
  SEC # 1390478

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1,169  SEC Filings
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  from  2/21/07  to  3/29/24  (4 Weeks Ago)

  List All Filings  or
  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘D’ — Notice of an Exempt Offering of Securities — Form D — Filed as:  Filer / Offerer 
 
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notifications of all
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Filings
involving  SELLAS Life Sciences Group, Inc. 

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Forms
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, Documents
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& Exhibits
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 in  675 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
3/29/24 New Document this Past Month!DRegistration:  Notices of Exempt Offerings of Securities — Form D  New Document this Past Month! 5
3/28/24 New Document this Past Month!S-3Registration:  Registration Statements – Securities for Transactions — Form S-3  New Document this Past Month! 30
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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283

8-K Items: 
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3/15/24
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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74
1/3/24"Termination of a Material Definitive Agreement — Item 1.02 — ‘EX-10’
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9
1/11/18 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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7
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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63
6/1/18 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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7
10/17/18 OLD"Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement — Item 2.04  OLD  — ‘EX-10’
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3
12/29/15 OLD"Cost Associated with Exit or Disposal Activities — Item 2.05  OLD  — ‘EX-2’
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2
12/12/18 OLD"Material Impairments — Item 2.06  OLD  — ‘EX-2’
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1
2/16/24
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  Securities & Trading: 
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing — Item 3.0110
8/3/20 OLD"Unregistered Sales of Equity Securities — Item 3.02  OLD  — ‘EX-1’
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17
1/7/20 OLD"Material Modifications to Rights of Security Holders — Item 3.03  OLD  — ‘EX-4’
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10
4/2/18 OLD
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  Accountants & Accounting: 
Changes in Registrant’s Certifying Accountant — Item 4.01  OLD  — ‘EX-16’
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3
10/28/11 OLD"Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review — Item 4.02  OLD 1
1/11/18 OLD
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  Governance & Management: 
Changes in Control of Registrant — Item 5.01  OLD 2
3/8/24"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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52
11/6/19 OLD"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03  OLD  — ‘EX-3’
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5
1/11/18 OLD"Amendments to the Registrant’s Code of Ethics, or Waiver of a Provision of the Code of Ethics — Item 5.05  OLD  — ‘EX-14’
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2
6/20/23"Submission of Matters to a Vote of Security Holders — Item 5.0720
6/1/23
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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15
3/28/24 New Document this Past Month!
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  Events: 
Other Events — Item 8.01  New Document this Past Month! 97
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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193

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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23
3/18/24424B5Registration:  Prospectuses – Primary Offerings and Shelf Securities – New Facts or Events33
1/19/24S-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-815
11/9/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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50
4/28/23ARSUpdate:  Annual Reports to Security Holders4
4/28/23DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A22
4/28/23DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A20
4/17/23 OLDPRE 14AProxy:  Preliminary Proxy Statements — Schedule 14A  OLD 10
4/30/21 OLDEFFECTSEC:  SEC Notices of Effectiveness  OLD 27
4/27/21 OLDCORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ]  OLD  — All Correspondence with the SEC
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48
6/11/20 OLD424B3Registration:  Prospectuses – New Facts or Events  OLD 31
5/29/20 OLDS-1Registration:  Registration Statements (General Form) — Form S-1  OLD 14
6/17/19 OLD424B4Registration:  Prospectuses – Info Previously Omitted & New Facts or Events  OLD 2
7/11/18 OLDS-1MEFRegistration:  Registration Statement to Add Securities to a Prior Form S-1 Registration  OLD 1
7/11/18 OLDPOS EXRegistration:  Post-Effective Amendments of Registration Statements – Additional Exhibits  OLD 5
5/23/18 OLDDEL AMRegistration:  Registration Effectiveness-Delaying Amendment  OLD 1
4/2/18 OLDNT 10-KUpdate:  Notices of Late Filings of Form 10-K Annual Reports — Form 12b-25  OLD 3
12/14/17 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 13
11/8/17 OLDCT ORDERSEC:  SEC Confidential Treatment Orders  OLD 12
11/6/17 OLDS-4Registration:  Registration Statements – Securities for Mergers — Form S-4  OLD  — Financial Reports
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4
8/9/17 OLDNT 10-QUpdate:  Notice of a Late Filing of a Form 10-Q Quarterly Report — Form 12b-25  OLD 1
7/11/17 OLDPOS AMRegistration:  Post-Effective Amendments of Registration Statements  OLD 2
2/7/17 OLD424B2Registration:  Prospectuses – Primary Offerings and Shelf Securities  OLD 3
9/19/16 OLDPRER14AProxy:  Preliminary Revised Proxy Soliciting Material — Schedule 14A  OLD 1
6/14/16 OLDNO ACTSEC:  SEC No-Action Letter re: a Shareholder Proposal  OLD 1
4/30/14 OLDDEFR14AProxy:  Definitive Revised Proxy Soliciting Material — Schedule 14A  OLD 1
5/2/13 OLD4Ownership:  Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4  OLD 1
3/1/13 OLD3Ownership:  Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3  OLD 1
12/18/12 OLDFWPRegistration:  Prospectuses – Free Writing  OLD 4
12/17/12 OLDS-3MEFRegistration:  Registration Statements to Add Securities to Prior Form S-3 Registrations  OLD 2
5/23/12 OLDRWRegistration:  Registration Withdrawal Requests  OLD 2
7/15/08 OLDREGDEXRegistration:  Notices of Exempt Offerings of Securities — Form D  OLD 2
2/21/08 OLDCERTNASTrading:  Certification by the Nasdaq Stock Market Approving a Listing — Form CERT  OLD 1
2/12/08 OLD8-A12BRegistration:  Registration Statements for Certain Classes of Securities — Form 8-A  OLD 2

General Exhibits: 
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3/28/24 New Exhibit this Past Month!EX-23Consents of Experts and Counsel  New Exhibit this Past Month! 116
3/28/24 New Exhibit this Past Month!EX-FILING FEESFiling Fees  New Exhibit this Past Month! 5
3/28/24 New Exhibit this Past Month!EX-5Opinions of Counsel re: Legality  New Exhibit this Past Month! 78
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-10Material Contracts  New Exhibit this Past Month! 258
3/28/24 New Exhibit this Past Month!EX-21Subsidiaries Lists  New Exhibit this Past Month! 9
3/15/24EX-4Instruments, Including Indentures, Defining the Rights of Security Holders58
3/15/24EX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)26
11/6/19 OLDEX-3Articles of Incorporation/Organization and Bylaws  OLD 14
1/5/18 OLDEX-14Codes of Ethics  OLD 2
8/8/17 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 8
1/10/08 OLDEX-8Opinion of Counsel re: Tax Matters  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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209

Financials: 
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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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3,230
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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107
3/28/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 449
3/28/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 57
3/28/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
99
3/28/24 New Exhibit this Past Month!EX-31Certifications — §302 – SOA’02  New Exhibit this Past Month! 138
3/28/24 New Exhibit this Past Month!EX-32Certifications — §906 – SOA’02  New Exhibit this Past Month! 71
4/13/18 OLDEX-16Letters re: Changes in Accountants  OLD 3

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3/28/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 1,366


Forms
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, Documents
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& Exhibits
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 in  511 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CUSIP 81642T
 

        
Latest Filing  Type    Category    Description        Documents
     
2/7/24SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G50
1/25/244Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4361
8/16/22 OLD3Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 3  OLD 45
10/9/18 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 5
12/14/17 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 13
2/13/15 OLD5Ownership:  Annual Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 5  OLD 1
12/18/12 OLDFWPRegistration:  Prospectuses – Free Writing  OLD 4

Letters: 
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4/21/21 OLDLETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ]  OLD  — All Correspondence with the SEC32
4/21/21 OLDTEXT-EXTRACTComment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]  OLD 5

General Exhibits: 
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8/16/22 OLDEX-24Powers of Attorney  OLD 169
2/12/21 OLDEX-1Underwriting Agreement or Conflict Minerals Report  (or mislabeled “1st Exhibit”)  OLD 1
9/11/17 OLDEX-10Material Contracts  OLD 4
8/8/17 OLDEX-2Plan of Acquisition, Reorganization, Arrangement, Liquidation or Succession  OLD 1

Additional Exhibits: 
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6/24/19 OLDEX-99Miscellaneous Exhibits, such as Press Releases  OLD 14

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12/14/17 OLDGRAPHICPhotos, Images and Graphs  OLD 49


        

Filings History

Year    # of Filings
In descending order
2024 27
2023 42
2022 34
2021 41
2020 46
2019 59
2018 97
2017 127
2016 97
2015 64
2014 72
2013 72
2012 69
2011 83
2010 66
2009 104
2008 65
2007 4

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