<SEC-DOCUMENT>0001193125-20-112651-index.html : 20200421
<SEC-HEADER>0001193125-20-112651.hdr.sgml : 20200421
<ACCEPTANCE-DATETIME>20200421061056
ACCESSION NUMBER:		0001193125-20-112651
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200421
DATE AS OF CHANGE:		20200421
EFFECTIVENESS DATE:		20200421

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUALYS, INC.
		CENTRAL INDEX KEY:			0001107843
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				770534145
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35662
		FILM NUMBER:		20803914

	BUSINESS ADDRESS:	
		STREET 1:		919 E. HILLSDALE BLVD.
		CITY:			FOSTER CITY
		STATE:			CA
		ZIP:			94404
		BUSINESS PHONE:		650-801-6100

	MAIL ADDRESS:	
		STREET 1:		919 E. HILLSDALE BLVD.
		CITY:			FOSTER CITY
		STATE:			CA
		ZIP:			94404

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	QUALYS INC
		DATE OF NAME CHANGE:	20000225
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d870878ddefa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
<TEXT>
Document 1 - file: d870878ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g870878g68h57.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g870878g68h57.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g870878g79s00.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g870878g79s00.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g870878g81n88.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g870878g81n88.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g870878g91p12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g870878g91p12.jpg

</DOCUMENT>
</SEC-DOCUMENT>