SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 SolarWinds, Inc. ---------------- (Name of Issuer) Common Stock, par value $0.001 per share ---------------------------------------- (Title of Class of Securities) 83416B 109 ---------- (CUSIP Number) May 29, 2009 ------------ (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 2 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners IV, L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 1,494,555 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 1,494,555 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,494,555 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.0% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 3 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners IV (Co-Investors), L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 184,185 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 184,185 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 184,185 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.2% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 4 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners (Cayman) IV, L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 199,810 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 199,810 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 199,810 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.3% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 5 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners IV (Fund B), L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 11,880 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 11,880 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 11,880 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 *Less than 1% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 6 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Associates IV, L.L.C. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 0 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,890,430 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 0 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,890,430 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,890,430 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* OO ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 7 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners V, L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 5,757,515 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 5,757,515 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,757,515 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.5% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 8 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners V (Employee Co-Investors), L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 338,565 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 338,565 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 338,565 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.4% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 9 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners (Cayman) V, L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 1,743,291 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 1,743,291 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,743,291 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 10 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Partners V Coinvestment Fund, L.P. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 5,837,829 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 0 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 5,837,829 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 5,837,829 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 7.7% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* PN ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 11 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Venture Associates V, L.L.C. ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 0 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 13,677,200 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 0 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 13,677,200 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 13,677,200 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 17.9% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* OO ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! --------------------------------- -------------------- CUSIP No. 83416B 109 13G Page 12 of 19 Pages --------------------------------- -------------------- ---------- --------------------------------------------------------------------- 1 NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Insight Holdings Group, LLC ---------- --------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] ---------- --------------------------------------------------------------------- 3 SEC USE ONLY ---------- --------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware -------------------- ------ ---------------------------------------------------- 5 SOLE VOTING POWER 0 ------ ---------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 15,567,630 OWNED BY EACH ------ ---------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH: 0 ------ ---------------------------------------------------- 8 SHARED DISPOSITIVE POWER 15,567,630 ---------- --------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 15,567,630 ---------- --------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A ---------- --------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 20.4% ---------- --------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* OO ---------- --------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! Item 1(a): Name of Issuer: SolarWinds, Inc. (the "Company") ------- Item 1(b): Address of Issuer's Principal Executive Offices: 3711 South MoPac Expressway Building Two Austin, Texas 78746 Item 2: (a) Name of Person Filing Insight Venture Partners IV, L.P. Insight Venture Partners IV (Co-Investors), L.P. Insight Venture Partners (Cayman) IV, L.P. Insight Venture Partners IV (Fund B), L.P. Insight Venture Associates IV, L.L.C. Insight Venture Partners V, L.P. Insight Venture Partners V (Employee Co-Investors), L.P. Insight Venture Partners (Cayman) V, L.P. Insight Venture Partners V Coinvestment Fund, L.P. Insight Venture Associates V, L.L.C. Insight Holdings Group, LLC (b) The address of the principal business and principal office of each of the Reporting Persons listed above is: 680 Fifth Avenue 8th Floor New York, New York 10019 (c) Citizenship Insight Venture Partners IV, L.P. Delaware Insight Venture Partners IV (Co-Investors), L.P. Delaware Insight Venture Partners (Cayman) IV, L.P. Cayman Islands Insight Venture Partners IV (Fund B), L.P. Delaware Insight Venture Associates IV, L.L.C. Delaware Insight Venture Partners V, L.P. Delaware Insight Venture Partners V (Employee Co-Investors), L.P. Delaware Insight Venture Partners (Cayman) V, L.P. Cayman Islands Insight Venture Partners V Coinvestment Fund, L.P. Delaware Insight Venture Associates V, L.L.C. Delaware Insight Holdings Group, LLC Delaware -13- (d) Title of Class of Securities: Common Stock, par value $0.001 per share ("Common Stock") (e) CUSIP Number 83416B 109 Item 3: If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a: A. [ ] Broker or dealer registered under Section 15 of the Act, B. [ ] Bank as defined in Section 3(a)(6) of the Act, C. [ ] Insurance Company as defined in Section 3(a)(19) of the Act, D. [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940, E. [ ] Investment Adviser in accordance with Rule 13d-1 (b)(1)(ii)(E), F. [ ] Employee Benefit Plan or Endowment Fund in accordance with 13d-1 (b)(1)(ii)(F), G. [ ] Parent Holding Company or control person in accordance with Rule 13d-1 (b)(1)(ii)(G), H. [ ] Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act, I. [ ] Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940, J. [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). Item 4: Ownership: ------ ---------- This Schedule 13G is being filed by Insight Venture Partners IV, L.P., a Delaware limited partnership (hereinafter referred to as "IVP"), Insight Venture Partners IV (Co-Investors), L.P., a Delaware limited partnership (hereinafter referred to as "IVP Co-Investor"), Insight Venture Partners (Cayman) IV, L.P., a Cayman Islands limited partnership (hereinafter referred to as "IVP Cayman"), Insight Venture Partners IV (Fund B), L.P., a Delaware limited partnership (hereinafter referred to as "IVP Fund B"), Insight Venture Associates, IV, L.L.C., a Delaware limited liability company (hereinafter referred to as "Associates IV"), Insight Venture Partners V, L.P., a Delaware limited partnership (hereinafter referred to as "VP"), Insight Venture Partners V (Employee Co-Investors), L.P., a Delaware limited partnership (hereinafter referred to as "VP Co-Investors"), Insight Venture Partners (Cayman) V, L.P., a Cayman Islands limited partnership (hereinafter referred to as "VP Cayman"), Insight Venture Partners V Coinvestment Fund, L.P. (hereinafter referred to as "VP Coinvestment" and together with VP and VP Co-Investors and VP Cayman, the "Insight V Funds"), Insight Venture Associates V, L.L.C., a Delaware limited liability company registered as a foreign entity under the laws of the Cayman Islands (hereinafter referred to as "Associates V") and Insight Holdings Group, LLC, a Delaware limited liability company (hereinafter referred to as "Holdings"). Associates IV is the general partner of each of the Insight IV Funds, and as such may be deemed to be the beneficial owner of all shares held by the Insight IV Funds. Associates V is the general partner of each of the Insight V Funds, and as such may be deemed to be the beneficial owner of all shares held by the Insight V Funds. Holdings is the managing member of Associates IV and Associates V, and as such may be deemed to be the beneficial owner of all shares held by the Insight IV Funds and Insight V Funds. As a result, the beneficial ownership of Common Stock by the Reporting Persons, as of the date of this Schedule 13G, is as follows: Insight Venture Partners IV, L.P. --------------------------------- (a) Amount beneficially owned: 1,494,555 (b) Percent of class: 2.0%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 1,494,555 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 1,494,555 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners IV (Co-Investors), L.P. ------------------------------------------------ (a) Amount beneficially owned: 184,185 (b) Percent of class: 0.2% (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 184,185 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 184,185 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners (Cayman) IV, L.P. ------------------------------------------ (a) Amount beneficially owned: 199,810 (b) Percent of class: 0.3%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 199,810 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 199,810 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners IV (Fund B), L.P. ------------------------------------------ (a) Amount beneficially owned: 11,880 (b) Percent of class: Less than 1%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 11,880 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 11,880 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Associates IV, L.L.C. ------------------------------------- (a) Amount beneficially owned: 1,890,430 (b) Percent of class: 2.5%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 0 (ii) Shared power to vote or direct the vote: 1,890,430 (iii) Sole power to dispose or direct the disposition: 0 (iv) Shared power to dispose or direct the disposition: 1,890,430 Insight Venture Partners V, L.P. -------------------------------- (a) Amount beneficially owned: 5,757,515 (b) Percent of class: 7.5%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 5,757,515 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 5,757,515 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners V (Employee Co-Investors), L.P. -------------------------------------------------------- (a) Amount beneficially owned: 338,565 (b) Percent of class: 0.4%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 338,565 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 338,565 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners (Cayman) V, L.P. ----------------------------------------- (a) Amount beneficially owned: 1,743,291 (b) Percent of class: 2.3%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 1,743,291 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 1,743,291 (iv) Shared power to dispose or direct the disposition: 0 Insight Venture Partners V Coinvestment Fund, L.P. -------------------------------------------------- (a) Amount beneficially owned: 5,837,829 (b) Percent of class: 7.7%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 5,837,829 (ii) Shared power to vote or direct the vote: 0 (iii) Sole power to dispose or direct the disposition: 5,837,829 (iv) Shared power to dispose or direct the disposition: 0 -14- Insight Venture Associates V, L.L.C. ------------------------------------ (a) Amount beneficially owned: 13,677,200 (b) Percent of class: 17.9%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 0 (ii) Shared power to vote or direct the vote: 13,677,200 (iii) Sole power to dispose or direct the disposition: 0 (iv) Shared power to dispose or direct the disposition: 13,677,200 Insight Holdings Group, LLC --------------------------- (a) Amount beneficially owned: 15,567,630 (b) Percent of class: 20.4%. (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote: 0 (ii) Shared power to vote or direct the vote: 15,567,630 (iii) Sole power to dispose or direct the disposition: 0 (iv) Shared power to dispose or direct the disposition: 15,567,630 Item 5: Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [ ] Item 6: Ownership of More than Five Percent on Behalf of Another Person: N/A Item 7: Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company N/A Item 8: Identification and Classification of Members of the Group: The Reporting Persons are making this single, joint filing because they may be deemed to constitute a "group" within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended. The agreement among the Reporting Persons to file jointly is attached hereto as Exhibit 99.1. Each of the Reporting Persons disclaims beneficial ownership of all of the shares of Common Stock, other than those reported herein as being owned by it. Item 9: Notice of Dissolution of Group: N/A Item 10: Certification: N/A -15- SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. INSIGHT VENTURE PARTNERS IV, L.P. By: Insight Venture Associates IV, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS IV (CO-INVESTORS), L.P. By: Insight Venture Associates IV, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS IV (FUND B), L.P. By: Insight Venture Associates IV, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS (CAYMAN) IV, L.P. By: Insight Venture Associates IV, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member -16- INSIGHT VENTURE ASSOCIATES IV, L.L.C. By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing ----------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS V, L.P. By: Insight Venture Associates V, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS V (EMPLOYEE CO- INVESTORS), L.P. By: Insight Venture Associates V, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS (CAYMAN) V, L.P. By: Insight Venture Associates V, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT VENTURE PARTNERS V COINVESTMENT FUND, L.P. By: Insight Venture Associates V, L.L.C., its general partner By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing --------------------------------------- Name: Jeffrey Horing Title: Managing Member -17- INSIGHT VENTURE ASSOCIATES V, L.L.C. By: Insight Holdings Group, LLC, its managing member By: /s/ Jeffrey Horing ----------------------------------------- Name: Jeffrey Horing Title: Managing Member INSIGHT HOLDINGS GROUP, LLC By: /s/ Jeffrey Horing -------------------------------------------- Name: Jeffrey Horing Title: Managing Member -18- EXHIBIT INDEX Exhibit 99.1: Joint Filing Agreement, dated November 2, 2009, by and among the Reporting Persons. -19-