-----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, WgOo8rMyrmvVr8h4KRcwcQTApLkvkPsjuKxPK8dUmPB85lE9Xr/LWT7e5C3HAL3M HH64S8m/ue+w6jVp0TOQ8Q== 0000950135-06-000651.txt : 20060210 0000950135-06-000651.hdr.sgml : 20060210 20060210144638 ACCESSION NUMBER: 0000950135-06-000651 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060210 DATE AS OF CHANGE: 20060210 GROUP MEMBERS: CANAAN EQUITY II L.P. (QP) GROUP MEMBERS: CANAAN EQUITY PARTNERS II LLC GROUP MEMBERS: CANANN EQUITY II ENTREPRENEURS LLC GROUP MEMBERS: CHARMERS LANDING LLC GROUP MEMBERS: DEEPAK KAMRA GROUP MEMBERS: ERICA A. YOUNG GROUP MEMBERS: GREGORY KOPCHISKY GROUP MEMBERS: GUY M. RUSSO GROUP MEMBERS: JAMES C. FURNIVALL GROUP MEMBERS: JOHN V. BALEN GROUP MEMBERS: STEPHEN L. GREEN GROUP MEMBERS: STONEHENGE LLC GROUP MEMBERS: WAUBEEKA LLC FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: CANAAN EQUITY II LP CENTRAL INDEX KEY: 0001097958 IRS NUMBER: 061559823 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 105 ROWAYTON AVENUE CITY: ROWAYTON STATE: CT ZIP: 06853 BUSINESS PHONE: 2038550400 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: COMBINATORX, INC CENTRAL INDEX KEY: 0001135906 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 043514457 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-81444 FILM NUMBER: 06597821 BUSINESS ADDRESS: STREET 1: 650 ALBANY STREET CITY: BOSTON STATE: MA ZIP: 02119 BUSINESS PHONE: 617-425-7000 MAIL ADDRESS: STREET 1: 650 ALBANY STREET CITY: BOSTON STATE: MA ZIP: 02119 FORMER COMPANY: FORMER CONFORMED NAME: COMBINATORX INC DATE OF NAME CHANGE: 20010301 SC 13G 1 b58995cisc13g.txt COMBINATORX, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. __)* CombinatoRx, Inc. (Name of Issuer) Common Stock, $.01 par value (Title of Class of Securities) 20010A103 (CUSIP Number) December 31, 2005 (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 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. 20010A103 13G PAGE 2 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Canaan Equity II L.P. - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Partnership - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,227,020 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,227,020 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,227,020 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 5.5% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 3 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Canaan Equity II L.P. (QP) - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Partnership - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 548,914 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 548,914 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 548,914 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.5% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 4 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Canaan Equity II Entrepreneurs LLC - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Liability Company - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 97,423 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 97,423 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 97,423 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 Less than 1% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * OO - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 5 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Canaan Equity Partners II LLC - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Liability Company - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * OO - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 6 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON James C. Furnivall - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 7 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Stephen L. Green - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 0 ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH 0 ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 8 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Deepak Kamra - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 9 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Gregory Kopchinsky - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 10 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Guy M. Russo - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 11 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON John V. Balen - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 12 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Eric A. Young - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION United States - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 13 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Charmers Landing LLC - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Liability Company - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * OO - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 14 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Stonehenge LLC - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Liability Company - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * OO - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 15 OF 26 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Waubeeka LLC - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [X] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware Limited Liability Company - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER ----------------------------------------------------------------- NUMBER OF 6 SHARED VOTING POWER SHARES BENEFICIALLY 1,873,357 OWNED BY ----------------------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON WITH ----------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 1,873,357 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,873,357 - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 8.4% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * OO - -------------------------------------------------------------------------------- CUSIP NO. 20010A103 13G PAGE 16 OF 26 PAGES Item 1(a). Name of Issuer CombinatoRx, Inc. Item 1(b). Address of Issuer's Principal Executive Offices 650 Albany Street Boston, MA 02118 Item 2(a). Name of Person Filing This statement is filed by (i) Canaan Equity II L.P. ("CE II"), a Delaware limited partnership, (ii) Canaan Equity II L.P. (QP) ("CE II QP"), a Delaware limited partnership, (iii) Canaan Equity II Entrepreneurs, LLC ("Entrepreneurs"), a Delaware limited liability company, (iv) Canaan Equity Partners II LLC ("CEP II"), a Delaware limited liability company and the general partner of CE II and CE II QP and the manager of Entrepreneurs, (v) John V. Balen, (vi) James C. Furnivall, (vi) Stephen L. Green, (viii) Deepak Kamra, (ix) Gregory Kopchinsky, (x) Guy M. Russo, (xi) Eric A. Young, (xii) Charmers Landing LLC ("Charmers"), a Delaware limited liability company, (xiii) Stonehenge LLC ("Stonehenge"), a Delaware limited liability company, and (xiv) Waubeeka LLC ("Waubeeka") a Delaware limited liability company. The sole managers of Charmers, Stonehenge, and Waubeeka are Messrs. Green, Kopchinsky and Russo, respectively. We refer to the individuals and entities identified in (i)-(xiv) above collectively as the "Reporting Persons." Item 2(b). Address of Principal Business Office or, if None, Residence Except in the case of Messrs. Balen, Kamra and Young, the principal business address of the Reporting Persons is 105 Rowayton Avenue, Rowayton, CT 06853. The principal business address of Messrs. Balen, Kamra and Young is 2765 Sand Hill Road, Menlo Park, CA 94025. Item 2(c). Citizenship Each of CE II and CE II QP is a limited partnership organized under the laws of Delaware. Each of Entrepreneurs, CEP II, Charmers, Stonehenge and Waubeeka is a limited liability company organized under the laws of Delaware. Each of the individuals named above is a citizen of the United States. Item 2(d). Title of Class of Securities This Schedule 13G report relates to the Common Stock, par value $0.01 per share ("Common Stock"), of CombinatoRx, Inc. Item 2(e). CUSIP Number CUSIP number 20010A103 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: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C 80a-8). (e) [ ] An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E); CUSIP NO. 20010A103 13G PAGE 17 OF 26 PAGES (f) [ ] An employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Section 240.13d-1(b)(1)(ii)(G); (h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(J). None. Item 4. Ownership (a) Amount Beneficially Owned As of December 31, 2005, (i) CE II is the record holder of 1,227,020 shares of Common Stock (the "CE II Shares"), (ii) CE II QP is the record holder of 548,914 shares of Common Stock (the "CE II QP Shares"), (iii) Entrepreneurs is the record holder of 97,423 shares of Common Stock (the "Entrepreneurs Shares"; together with the CE II Shares and the CE II QP Shares, the "Record Shares"). As the general partner of CE II and CE II QP and the manager of Entrepreneurs, CEP II may be deemed to own beneficially the Record Shares. As individual managers of CEP II, Messrs. Balen, Furnivall, Green, Kamra, Kopchinsky, Russo and Young may also be deemed to own beneficially the Record Shares. By virtue of the contractual relationship between Charmers and Mr. Green, its sole manager, Charmers may also be deemed to own beneficially the CE II Shares, CE II QP Shares and Entrepreneurs Shares. By virtue of the contractual relationship between Stonehenge and Mr. Kopchinsky, its sole manager, Stonehenge may also be deemed to own beneficially the CE II Shares, CE II QP Shares and Entrepreneurs Shares. By virtue of the contractual relationship between Waubeeka and Mr. Russo, its sole manager, Waubeeka may also be deemed to own beneficially CE II Shares, CE II QP Shares and Entrepreneurs Shares. (b) Percent of Class: Each Reporting Person: %. The Reporting Persons beneficially own, in the aggregate, approximately 8% of the outstanding Common Stock of the Issuer based on the 22,320,825 shares of Common Stock reported to be outstanding in its prospectus filed pursuant to Rule 424(b) under the Securities Act of 1933, as amended, after giving effect to the offering contemplated thereby. For individual Reporting Person information, please see Item 11 of the cover pages hereto. CUSIP NO. 20010A103 13G PAGE 18 OF 26 PAGES (c) Number of shares to which such person has:
NUMBER OF SHARES ----------------------- Reporting Person (i) (ii) (iii) (iv) - ---------------- --- --------- ----- --------- CE II 0 1,227,020 0 1,227,020 CE II QP 0 548,914 0 548,914 Entrepreneurs 0 97,423 0 97,423 CEP II 0 1,873,357 0 1,873,357 James C. Furnivall 0 1,873,357 0 1,873,357 Stephen L. Green 0 1,873,357 0 1,873,357 Deepak Kamra 0 1,873,357 0 1,873,357 Gregory Kopchinsky 0 1,873,357 0 1,873,357 Guy M. Russo 0 1,873,357 0 1,873,357 Eric A. Young 0 1,873,357 0 1,873,357 Charmers 0 1,873,357 0 1,873,357 Stonehenge 0 1,873,357 0 1,873,357 Waubeeka 0 1,873,357 0 1,873,357
(i) Sole power to vote or direct the vote (ii) Shared power to vote or to direct the vote (iii) Sole power to dispose or to direct the disposition of (iv) Shared power to dispose or to direct the disposition of 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 Not applicable. Item 8. Identification and Classification of Members of the Group Each of the Reporting Persons expressly disclaims membership in a "Group" as defined in Rule 13d-1(b)(ii)(J). Item 9. Notice of Dissolution of Group Not applicable. Item 10. Certification Not applicable. This Schedule 13G is not filed pursuant to Rule 13d-1(b) or Rule 13d-1(c). CUSIP NO. 20010A103 13G PAGE 19 OF 26 PAGES SIGNATURES After reasonable inquiry and to the best of the undersigned's knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct. Dated: February 10, 2006 Canaan Equity II L.P. By: Canaan Equity Partners II LLC Its General Partner By: * ------------------------------------ Manager Canaan Equity II L.P. (QP) By: Canaan Equity Partners II LLC Its General Partner By: * ------------------------------------ Manager Canaan Equity II Entrepreneurs LLC. By: Canaan Equity Partners II LLC Its Manager By: * ------------------------------------ Manager Canaan Equity Partners II LLC By: * ------------------------------------ Manager * ---------------------------------------- John V. Balen * ---------------------------------------- James C. Furnivall * ---------------------------------------- Stephen L. Green * ---------------------------------------- Deepak Kamra CUSIP NO. 20010A103 13G PAGE 20 OF 26 PAGES * ---------------------------------------- Gregory Kopchinsky /s/ Guy M. Russo ---------------------------------------- Guy M. Russo * ---------------------------------------- Eric A. Young Charmers Landing LLC By: * ------------------------------------ Manager Stonehenge LLC By: * ------------------------------------ Manager Waubeeka LLC By: /s/ Guy M. Russo ------------------------------------ Manager * By: /s/ Guy M. Russo ---------------------------------- Guy M. Russo Attorney-in-Fact This Schedule 13G was executed by Guy M. Russo pursuant to Powers of Attorney, copies of which are filed herewith as Exhibit 2. CUSIP NO. 20010A103 13G PAGE 21 OF 26 PAGES Exhibit 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned agree that only one statement containing the information required by Schedule 13G need be filed by each of the undersigned with respect to the ownership by each of the undersigned of shares of stock of CombinatoRx, Inc. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original. Executed as of February 10, 2006 Canaan Equity II L.P. By: Canaan Equity Partners II LLC Its General Partner By: * ------------------------------------ Manager Canaan Equity II L.P. (QP) By: Canaan Equity Partners II LLC Its General Partner By: * ------------------------------------ Manager Canaan Equity II Entrepreneurs LLC By: Canaan Equity Partners II LLC Its Manager By: * ------------------------------------ Manager Canaan Equity Partners II LLC By: * ------------------------------------ Manager * ---------------------------------------- John V. Balen * ---------------------------------------- James C. Furnivall * ---------------------------------------- Stephen L. Green * ---------------------------------------- Deepak Kamra CUSIP NO. 20010A103 13G PAGE 22 OF 26 PAGES * ---------------------------------------- Gregory Kopchinsky /s/ Guy M. Russo ---------------------------------------- Guy M. Russo * ---------------------------------------- Eric A. Young Charmers Landing LLC By: * ------------------------------------ Manager Stonehenge LLC By: /s/ Guy M. Russo ------------------------------------ Manager Waubeeka LLC By: /s/ Guy M. Russo ------------------------------------ Manager * By: /s/ Guy M. Russo ---------------------------------- Guy M. Russo Attorney-in-Fact This Joint Filing Agreement was executed by Guy M. Russo pursuant to Powers of Attorney, copies of which are filed herewith as Exhibit 2. CUSIP NO. 20010A103 13G PAGE 23 OF 26 PAGES Exhibit 2 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Guy M. Russo his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities (until revoked in writing) to sign any and all instruments, certificates and documents required to be executed on behalf of himself as an individual or in his capacity as a general partner or authorized signatory, as the case may be, on behalf of any of Canaan Equity II L.P., Canaan Equity II L.P. (QP), Canaan Equity II Entrepreneurs LLC and Canaan Equity Partners II LLC pursuant to the Securities Act of 1933, as amended, (the "Securities Act"), or the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Securities Act, the Exchange Act or by the By-laws of the National Association of Securities Dealers, Inc., granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary fully to all intents and purposes as he might or could do in person thereby, and ratifying and confirming all that said attorney-in-fact and agent, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof, or may have done in connection with the matters described above. [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK] CUSIP NO. 20010A103 13G PAGE 24 OF 26 PAGES IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 14th day of February, 2001. CANAAN EQUITY II L.P. By: Canaan Equity Partners II LLC Its General Partner By: /s/ Harry T. Rein ------------------------------------ Member/Manager CANAAN EQUITY II L.P. (QP) By: Canaan Equity Partners II LLC Its General Partner By: /s/ Harry T. Rein ------------------------------------ Member/Manager CANAAN EQUITY II ENTREPRENEURS LLC By: Canaan Equity Partners II LLC Its General Partner By: /s/ Harry T. Rein ------------------------------------ Member/Manager CANAAN EQUITY PARTNERS II LLC By: /s/ Harry T. Rein ------------------------------------ Member/Manager /s/ Harry T. Rein ---------------------------------------- Harry T. Rein /s/ John V. Balen ---------------------------------------- John V. Balen /s/ James C. Furnivall ---------------------------------------- James C. Furnivall /s/ Stephen L. Green ---------------------------------------- Stephen L. Green /s/ Deepak Kamra ---------------------------------------- Deepak Kamra /s/ Guy M. Russo ---------------------------------------- Guy M. Russo CUSIP NO. 20010A103 13G PAGE 25 OF 26 PAGES /s/ Gregory Kopchinsky ---------------------------------------- Gregory Kopchinsky /s/ Eric A. Young ---------------------------------------- Eric A. Young CUSIP NO. 20010A103 13G PAGE 26 OF 26 PAGES Exhibit 2 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each entity whose signature appears below hereby constitutes and appoints Guy M. Russo its true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for such entity in its name, place and stead, in any and all capacities (until revoked in writing) to sign any and all instruments, certificates and documents required to be executed on behalf of such entity, as applicable pursuant to the Securities Act of 1933, as amended, (the "Securities Act"), or the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Securities Act, the Exchange Act or by the By-laws of the National Association of Securities Dealers, Inc., granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary fully to all intents and purposes as he might or could do in person thereby, and ratifying and confirming all that said attorney-in-fact and agent, or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof, or may have done in connection with the matters described above. IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 11th day of February, 2005. CHARMERS LANDING LLC By: /s/ Stephen L. Green ------------------------------------ Manager STONEHENGE LLC By: /s/ Gregory Kopchinsky ------------------------------------ Manager -----END PRIVACY-ENHANCED MESSAGE-----