Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  TRIDENT CAPITAL MANAGEMENT V LLC
2. Date of Event Requiring Statement (Month/Day/Year)
09/27/2012
3. Issuer Name and Ticker or Trading Symbol
QUALYS, INC. [QLYS]
(Last)
(First)
(Middle)
505 HAMILTON AVENUE, SUITE 200
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

PALO ALTO, CA 94301
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 278,981
I
See footnotes (1) (2)
Common Stock 21,192
I
See footnotes (1) (3)
Common Stock 8,073
I
See footnotes (1) (4)
Common Stock 1,620
I
See footnotes (1) (5)
Common Stock 1,545
I
See footnotes (1) (6)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series A Preferred Stock   (7)   (7) Common Stock 1,346,877 $ (7) I See footnotes (1) (2)
Series A Preferred Stock   (7)   (7) Common Stock 102,325 $ (7) I See footnotes (1) (3)
Series A Preferred Stock   (7)   (7) Common Stock 32,622 $ (7) I See footnotes (1) (4)
Series A Preferred Stock   (7)   (7) Common Stock 7,826 $ (7) I See footnotes (1) (5)
Series A Preferred Stock   (7)   (7) Common Stock 7,468 $ (7) I See footnotes (1) (6)
Series B Preferred Stock   (7)   (7) Common Stock 3,743,844 $ (7) I See footnotes (1) (2)
Series B Preferred Stock   (7)   (7) Common Stock 284,432 $ (7) I See footnotes (1) (3)
Series B Preferred Stock   (7)   (7) Common Stock 108,359 $ (7) I See footnotes (1) (4)
Series B Preferred Stock   (7)   (7) Common Stock 21,758 $ (7) I See footnotes (1) (5)
Series B Preferred Stock   (7)   (7) Common Stock 20,762 $ (7) I See footnotes (1) (6)
Series C Preferred Stock   (7)   (7) Common Stock 269,599 $ (7) I See footnotes (1) (2)
Series C Preferred Stock   (7)   (7) Common Stock 20,481 $ (7) I See footnotes (1) (3)
Series C Preferred Stock   (7)   (7) Common Stock 7,802 $ (7) I See footnotes (1) (4)
Series C Preferred Stock   (7)   (7) Common Stock 1,566 $ (7) I See footnotes (1) (5)
Series C Preferred Stock   (7)   (7) Common Stock 1,494 $ (7) I See footnotes (1) (6)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
TRIDENT CAPITAL MANAGEMENT V LLC
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    
TRIDENT CAPITAL FUND V LP
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    
TRIDENT CAPITAL PARALLEL FUND V CV
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    
TRIDENT CAPITAL FUND V PRINCIPALS FUND L P
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    
TRIDENT CAPITAL FUND V AFFILIATES FUND LP
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    
TRIDENT CAPITAL FUND V AFFILIATES FUND Q LP
505 HAMILTON AVENUE, SUITE 200
PALO ALTO, CA 94301
    X    

Signatures

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C. 09/27/2012
**Signature of Reporting Person Date

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C., the General Partner of Trident Capital Fund-V, L.P. 09/27/2012
**Signature of Reporting Person Date

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C., the General Partner of Trident Capital Parallel Fund-V, C.V. 09/27/2012
**Signature of Reporting Person Date

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C., the General Partner of Trident Capital Fund-V Principals Fund, L.P. 09/27/2012
**Signature of Reporting Person Date

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C., the General Partner of Trident Capital Fund-V Affiliates Fund, L.P. 09/27/2012
**Signature of Reporting Person Date

/s/ Donald R. Dixon, a Managing Director of Trident Capital Management-V, L.L.C., the General Partner of Trident Capital Fund-V Affiliates Fund (Q), L.P. 09/27/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Trident Capital Management-V, L.L.C. ("TCMV") serves as the general partner of each of Trident Capital Fund-V, L.P., Trident Capital Fund-V Affiliates Fund, L.P., Trident Capital Fund-V Affiliates Fund (Q), L.P. and Trident Capital Fund-V Principals Fund, L.P. and the sole investment general partner of Trident Capital Parallel Fund-V, C.V. As such, TCMV may be deemed to be the beneficial owner of the shares held directly by each of these Trident entities. TCMV disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.
(2) The reported securities are held directly by Trident Capital Fund-V, L.P.
(3) The reported securities are held directly by Trident Capital Parallel Fund-V, C.V.
(4) The reported securities are held directly by Trident Capital Fund-V Principals Fund, L.P.
(5) The reported securities are held directly by Trident Capital Fund-V Affiliates Fund, L.P.
(6) The reported securities are held directly by Trident Capital Fund-V Affiliates Fund (Q), L.P.
(7) Each share of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock shall automatically convert into Common Stock on a 1-for-1 basis upon the completion of the Issuer's initial public offering of Common Stock and has no expiration date.

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