-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, A3Ffz/Vgl3VBPeAs8c14H4JkUgBjRwEQqpy0Hi1tn0ifI3Hfx6QSSVaEpObB7dU/ VxqahH9kQNGxX/lOvbOsEg== 0000905718-08-000139.txt : 20080214 0000905718-08-000139.hdr.sgml : 20080214 20080213202100 ACCESSION NUMBER: 0000905718-08-000139 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20080214 DATE AS OF CHANGE: 20080213 GROUP MEMBERS: BRUCE I. SACHS GROUP MEMBERS: CHARLES RIVER FRIENDS XI-A, LP GROUP MEMBERS: CHARLES RIVER FRIENDS XI-B, LP GROUP MEMBERS: CHARLES RIVER XI GP, LLC GROUP MEMBERS: CHARLES RIVER XI GP, LP GROUP MEMBERS: CHRISTOPHER BALDWIN GROUP MEMBERS: IZHAR ARMONY GROUP MEMBERS: MICHAEL J. ZAK GROUP MEMBERS: RICHARD M. BURNS, JR. GROUP MEMBERS: TED R. DINTERSMITH GROUP MEMBERS: WILLIAM P. TAI SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: VIRTUSA CORP CENTRAL INDEX KEY: 0001207074 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING SERVICES [7371] IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-83755 FILM NUMBER: 08607448 BUSINESS ADDRESS: STREET 1: 2000 WEST PARK DRIVE CITY: WESTBOROUGH STATE: MA ZIP: 01581 BUSINESS PHONE: 508-389-7202 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: CHARLES RIVER PARTNERSHIP XI LP CENTRAL INDEX KEY: 0001126481 IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 1000 WINTER STREET STREET 2: STE 3300 CITY: WALTHAM STATE: MA ZIP: 02451 SC 13G 1 virtusa13g.txt SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 VIRTUSA CORPORATION - -------------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $0.01 per share - -------------------------------------------------------------------------------- (Title of Class of Securities) 92827P102 - -------------------------------------------------------------------------------- (CUSIP Number) December 31, 2007 - -------------------------------------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule 13G 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 in 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. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Charles River Partnership XI, LP - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): OO - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Charles River Friends XI-A, LP - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): OO - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Charles River Friends XI-B, LP - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): OO - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Charles River XI GP, LP - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [X] (b) [ ] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): OO - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Charles River XI GP, LLC - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Delaware - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): OO - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Izhar Armony - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: Israel - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Christopher Baldwin - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Richard M. Burns, Jr. - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Ted R. Dintersmith - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Bruce I. Sachs - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): William P. Tai - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only): Michael J. Zak - -------------------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group (See Instructions) (a) [ ] (b) [X] - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Citizenship or Place of Organization: United States - -------------------------------------------------------------------------------- Number of Shares Beneficially Owned by Each Reporting Person With (5) Sole Voting Power: 0* -------------------------------------- (6) Shared Voting Power: 2,977,611* -------------------------------------- (7) Sole Dispositive Power: 0* -------------------------------------- (8) Shared Dispositive Power: 2,977,611* -------------------------------------- - -------------------------------------------------------------------------------- (9) Aggregate Amount Beneficially Owned by Each Reporting Person: 2,977,611* - -------------------------------------------------------------------------------- (10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions): N/A - -------------------------------------------------------------------------------- (11) Percent of Class Represented by Amount in Row (9): 13.0%* - -------------------------------------------------------------------------------- (12) Type of Reporting Person (See Instructions): IN - -------------------------------------------------------------------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. CUSIP No. 92827P102 Item 1(a). Name Of Issuer: Virtusa Corporation Item 1(b). Address of Issuer's Principal Executive Offices: 2000 West Park Drive, Westborough, MA 01581 Item 2(a). Name of Person Filing: Charles River Partnership XI, LP This Schedule 13G is also filed on behalf of Charles River XI GP, LLC ("CR XI GP LLC"), Charles River XI GP, LP ("CR XI GP LP"), Charles River Friends XI-A, LP ("CRF XI-A"), Charles River Friends XI-B, LP ("CRF XI-B"), Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak. CR XI GP LLC is the general partner of CR XI GP LP. CR XI GP LLC is also the general partner of CRF XI-A and CRF XI-B. CR XI GP LP is the General partner of Charles River Partnership XI, LP. Each of Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak is a managing member of CR XI GP LLC. Information related to each of CR XI GP LLC, CR XI GP LP, CRF XI-A, CRF XI-B, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak is set forth on Appendix A hereto. Item 2(b). Address of Principal Business Office or, if None, Residence: c/o Charles River XI GP, LLC 1000 Winter Street, Suite 3300, Waltham, MA 02451 Item 2(c). Citizenship: Delaware Item 2(d). Title of Class of Securities: Common Stock, par value $0.01 per share Item 2(e). CUSIP No.: 92827P102 Item 3. If This Statement Is Filed Pursuant to Sections 240.13d-1(b) or 240.13d-2(b) or (c), check whether the Person Filing is a: Not Applicable. Item 4. Ownership (a) Amount Beneficially Owned(as of December 31, 2007): 2,977,611* (b) Percent of Class(as of December 31, 2007): 13.0%* (c) Number of Shares as to which the person has: (i) sole power to vote or to direct the vote 0* (ii) shared power to vote or to direct the vote 2,977,611* (iii) sole power to dispose or to direct the disposition of 0* (iv) shared power to dispose or to direct the disposition of 2,977,611* - ------------------- * Based on 22,837,909 shares of the common stock, par value $0.01 per share (the "Shares"), of Virtusa Corporation, a Delaware corporation (the "Company"), outstanding as of November 7, 2007, as disclosed in the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2007. Charles River XI GP, LLC ("CR XI GP LLC") is the general partner of Charles River XI GP, LP ("CR XI GP LP"). CR XI GP LLC is also the general partner of Charles River Friends XI-A, LP ("CRF XI-A") and Charles River Friends XI-B, LP ("CRF XI-B"). CR XI GP LP is the general partner of Charles River Partnership XI, LP ("CRP XI"). Each of Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak is a managing member of CR XI GP LLC. CRP XI, CRF XI-A and CRF XI-B (collectively, the "Partnerships") form a "group" for purposes of Section 13(d) of the Securities Exchange Act of 1934. As of December 31, 2007, the Partnerships collectively owned 2,977,611 shares of Virtusa Corporation common stock, par value $0.01 per share (the "Common Stock"), or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. For the purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, CR XI GP LLC, CR XI GP LP, and Messrs. Armony, Baldwin, Burnes, Dintersmith, Sachs, Tai, and Zak (collectively, the "Management Persons") may be deemed to beneficially own the securities owned by the Partnerships. Accordingly, as of December 31, 2007, the Management Persons may be deemed to beneficially own 2,977,611 shares of the Common Stock, or 13.0% of those shares of Common Stock deemed issued and outstanding as of that date. Each of the Management Persons disclaims beneficial ownership of the securities reported herein held by the Partnerships, except to the extent of such person's pecuniary interest in each applicable Partnership, if any. Item 5. Ownership of Five Percent or Less of a Class Not applicable Item 6. Ownership of More Than Five Percent on Behalf of Another Person Not Applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person Not Applicable (See Item 2(a)). Item 8. Identification and Classification of Members of the Group Charles River Partnership XI, LP, Charles River Friends XI-A, LP, Charles River Friends XI-B, LP. Item 9. Notice of Dissolution of Group Not Applicable. Item 10. Certification This certification is not required as the filing person is filing pursuant to Rule 13d-1(d). SIGNATURE --------- 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. February 14, 2008 /s/ John A. Genest -----------------------------_ John A. Genest as attorney-in-fact for Charles River XI GP, LLC, general partner of Charles River XI GP, LP, general partner of Charles River Partnership XI, LP Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001) CUSIP No. 92827P102 APPENDIX A A. Name: Charles River Friends XI-A, LP Address: c/o Charles River XI GP, LLC 1000 Winter Street, Suite 3300, Waltham, MA 02451 Place of Organization: Delaware B. Name: Charles River Friends XI-B, LP Address: c/o Charles River XI GP, LLC 1000 Winter Street, Suite 3300, Waltham, MA 02451 Place of Organization: Delaware C. Name: Charles River XI GP, LP Address: c/o Charles River XI GP, LLC 1000 Winter Street, Suite 3300, Waltham, MA 02451 Citizenship: Delaware D. Name: Charles River XI GP, LLC Address: c/o Charles River XI GP, LLC 1000 Winter Street, Suite 3300, Waltham, MA 02451 Citizenship: Delaware E. Name: Izhar Armony Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: Israel F. Name: Christopher Baldwin Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States G. Name: Richard M. Burns, Jr. Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States H. Name: Ted R. Dintersmith Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States I. Name: Bruce I. Sachs Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States J. Name: William P. Tai Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States K. Name: Michael J. Zak Business c/o Charles River XI GP, LLC Address: 1000 Winter Street, Suite 3300, Waltham, MA 02451 Principal Managing Member of Charles River XI GP, LLC Occupation: Citizenship: United States CUSIP No. 92827P102 Each of Charles River XI GP, LLC, Charles River XI GP, LP, Charles River Friends XI-A, LP, Charles River Friends XI-B, LP, Izhar Armony, Christopher Baldwin, Richard M. Burnes, Jr., Ted R. Dintersmith, Bruce I. Sachs, William P. Tai, and Michael J. Zak hereby agree, by their execution below, that the Schedule 13G to which this Appendix A is attached is filed on behalf of each of them, respectively. /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Charles River XI GP, LLC, general partner of Charles River Friends XI-A, LP /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Charles River XI GP, LLC, general partner of Charles RiverFriends XI-B, LP /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Charles River XI GP, LLC, general partner of Charles River XI GP, LP /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Charles River XI GP, LLC /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Izhar Armony /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Christopher Baldwin /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Richard M. Burns, Jr. /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Ted R. Dintersmith /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Bruce I. Sachs /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for William P. Tai /s/ John A. Genest - --------------------------------- February 14, 2008 John A. Genest as attorney-in-fact for Michael J. Zak -----END PRIVACY-ENHANCED MESSAGE-----