<SEC-DOCUMENT>0001459839-19-000048-index.html : 20191113
<SEC-HEADER>0001459839-19-000048.hdr.sgml : 20191113
<ACCEPTANCE-DATETIME>20191113165110
ACCESSION NUMBER:		0001459839-19-000048
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20191113
DATE AS OF CHANGE:		20191113

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SI-BONE, Inc.
		CENTRAL INDEX KEY:			0001459839
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				262216351
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-234679
		FILM NUMBER:		191214636

	BUSINESS ADDRESS:	
		STREET 1:		471 EL CAMINO REAL, SUITE 101
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050
		BUSINESS PHONE:		4082070700

	MAIL ADDRESS:	
		STREET 1:		471 EL CAMINO REAL, SUITE 101
		CITY:			SANTA CLARA
		STATE:			CA
		ZIP:			95050

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SI-Bone Inc.
		DATE OF NAME CHANGE:	20090326
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>sibn-formsx3secondaryoffer.htm
<DESCRIPTION>S-3
<TEXT>
Document 1 - file: sibn-formsx3secondaryoffer.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.4
<SEQUENCE>2
<FILENAME>exhibit44formofdebtindentu.htm
<DESCRIPTION>EXHIBIT 4.4
<TEXT>
Document 2 - file: exhibit44formofdebtindentu.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.6
<SEQUENCE>3
<FILENAME>exhibit46formofcommonstock.htm
<DESCRIPTION>EXHIBIT 4.6
<TEXT>
Document 3 - file: exhibit46formofcommonstock.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.7
<SEQUENCE>4
<FILENAME>exhibit47formofpreferredst.htm
<DESCRIPTION>EXHIBIT 4.7
<TEXT>
Document 4 - file: exhibit47formofpreferredst.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
<SEQUENCE>5
<FILENAME>exhibit48formofdebtsecurit.htm
<DESCRIPTION>EXHIBIT 4.8
<TEXT>
Document 5 - file: exhibit48formofdebtsecurit.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>6
<FILENAME>exhibit51opinionofcooleyllp.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 6 - file: exhibit51opinionofcooleyllp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>7
<FILENAME>exhibit231pwcconsent.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 7 - file: exhibit231pwcconsent.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>cooleylogo2.jpg
<TEXT>
Document 8 - file: cooleylogo2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>doc211435544v2sibones_image1.jpg
<TEXT>
Document 9 - file: doc211435544v2sibones_image1.jpg

</DOCUMENT>
</SEC-DOCUMENT>