SELLAS Life Sciences Group, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
New York, NY
SEC filing record 1 source field available
Fiscal year end
31 December
SELLAS Life Sciences Group, Inc. has filed 1,267 SEC EDGAR filings since 07 Feb 2007

SEC filing history

Showing 26-50 of 1,000 matching filings.

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25
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2
4

OWNERSHIP DOCUMENT

Filing date
05 Dec 2025
Reporting date
03 Dec 2025
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4

OWNERSHIP DOCUMENT

Filing date
05 Dec 2025
Reporting date
03 Dec 2025
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4

OWNERSHIP DOCUMENT

Filing date
05 Dec 2025
Reporting date
03 Dec 2025
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EFFECT File 333-290829

EFFECT filing

Filing date
25 Nov 2025
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
21 Nov 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
21 Nov 2025
Reporting date
19 Nov 2025
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SCHEDULE 13G File 005-84090

SCHEDULE 13G filing

Filing date
14 Nov 2025
Reporting date
Not listed
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424B5 File 333-278334

424B5

Filing date
27 Oct 2025
Reporting date
Not listed
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SCHEDULE 13G File 005-84090

SCHEDULE 13G filing

Filing date
17 Oct 2025
Reporting date
Not listed
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SCHEDULE 13G/A File 005-84090

SCHEDULE 13G/A filing

Filing date
14 Aug 2025
Reporting date
Not listed
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SCHEDULE 13G File 005-84090

SCHEDULE 13G filing

Filing date
29 Jul 2025
Reporting date
Not listed
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4

OWNERSHIP DOCUMENT

Filing date
13 Jun 2025
Reporting date
12 Jun 2025
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DEFA14A File 001-33958

DEFA14A

Filing date
10 Jun 2025
Reporting date
Not listed
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