<SEC-DOCUMENT>0001660280-19-000018-index.html : 20190403
<SEC-HEADER>0001660280-19-000018.hdr.sgml : 20190403
<ACCEPTANCE-DATETIME>20190403162654
ACCESSION NUMBER:		0001660280-19-000018
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20190403
DATE AS OF CHANGE:		20190403
EFFECTIVENESS DATE:		20190403

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Tenable Holdings, Inc.
		CENTRAL INDEX KEY:			0001660280
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				475580846
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38600
		FILM NUMBER:		19729322

	BUSINESS ADDRESS:	
		STREET 1:		7021 COLUMBIA GATEWAY DRIVE, SUITE 500
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046
		BUSINESS PHONE:		410-872-0555

	MAIL ADDRESS:	
		STREET 1:		7021 COLUMBIA GATEWAY DRIVE, SUITE 500
		CITY:			COLUMBIA
		STATE:			MD
		ZIP:			21046
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>tenable-2019defa.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: tenable-2019defa.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tenablenotice.jpg
<TEXT>
Document 2 - file: tenablenotice.jpg

</DOCUMENT>
</SEC-DOCUMENT>