    <SEC-DOCUMENT>0001193125-21-126676-index.html : 20210422
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    <ACCEPTANCE-DATETIME>20210422160326
    ACCESSION NUMBER:		0001193125-21-126676
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		20
    CONFORMED PERIOD OF REPORT:	20210609
    FILED AS OF DATE:		20210422
    DATE AS OF CHANGE:		20210422

    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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35662
    		FILM NUMBER:		21844776

    	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>
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    Document 1 - file: d856232ddef14a.htm

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    <DESCRIPTION>GRAPHIC
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