<SEC-DOCUMENT>0001193125-21-098325-index.html : 20210329
<SEC-HEADER>0001193125-21-098325.hdr.sgml : 20210329
<ACCEPTANCE-DATETIME>20210329162703
ACCESSION NUMBER:		0001193125-21-098325
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210329
DATE AS OF CHANGE:		20210329
EFFECTIVENESS DATE:		20210329

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Silverback Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001671858
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				811489190
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254827
		FILM NUMBER:		21781979

	BUSINESS ADDRESS:	
		STREET 1:		500 FAIRVIEW AVENUE NORTH, SUITE 600
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
		BUSINESS PHONE:		206-456-2900

	MAIL ADDRESS:	
		STREET 1:		500 FAIRVIEW AVENUE NORTH, SUITE 600
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98109
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d165583ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d165583ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d165583dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d165583dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d165583dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d165583dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g165583dsp1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g165583dsp1.jpg

</DOCUMENT>
</SEC-DOCUMENT>