<SEC-DOCUMENT>0001104659-20-049860-index.html : 20200423
<SEC-HEADER>0001104659-20-049860.hdr.sgml : 20200423
<ACCEPTANCE-DATETIME>20200422210143
ACCESSION NUMBER:		0001104659-20-049860
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		11
CONFORMED PERIOD OF REPORT:	20200609
FILED AS OF DATE:		20200423
DATE AS OF CHANGE:		20200422
EFFECTIVENESS DATE:		20200423

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SELLAS Life Sciences Group, Inc.
		CENTRAL INDEX KEY:			0001390478
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33958
		FILM NUMBER:		20808998

	BUSINESS ADDRESS:	
		STREET 1:		15 WEST 38TH STREET
		STREET 2:		10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018
		BUSINESS PHONE:		(917) 438-4353

	MAIL ADDRESS:	
		STREET 1:		15 WEST 38TH STREET
		STREET 2:		10TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10018

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Galena Biopharma, Inc.
		DATE OF NAME CHANGE:	20110926

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RXi Pharmaceuticals Corp
		DATE OF NAME CHANGE:	20110926

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GALENA BIOPHARMA, INC.
		DATE OF NAME CHANGE:	20110922
</SEC-HEADER>
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<TYPE>DEF 14A
<SEQUENCE>1
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<TEXT>
Document 1 - file: tm2016499d1_def14a.htm

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Document 2 - file: tm2016499d1_def14a-img01.jpg

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Document 3 - file: tm2016499d1_def14a-img02.jpg

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Document 4 - file: tm2016499d1_def14a-img03.jpg

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Document 5 - file: tm2016499d1_def14a-img04.jpg

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Document 6 - file: tm2016499d1_def14a-img05.jpg

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Document 7 - file: tm2016499d1_def14a-img06.jpg

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Document 8 - file: tm2016499d1_def14a-img07.jpg

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Document 9 - file: tm2016499d1_def14a-img08.jpg

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Document 10 - file: tm2016499d1_def14a-img09.jpg

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Document 11 - file: tm2016499d1_def14a-img10.jpg

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