-----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, HQ3D3n/nke8kTuU201IbSXHfId6a1wJUClwT6u7l2qK/hqf3VPw23i/e5lmGf2AX R79hoVZ4PXYCByTzO7ACWw== 0001138257-06-000002.txt : 20060206 0001138257-06-000002.hdr.sgml : 20060206 20060206125045 ACCESSION NUMBER: 0001138257-06-000002 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060206 DATE AS OF CHANGE: 20060206 GROUP MEMBERS: GARY J. MORGENTHALER GROUP MEMBERS: JOHN D. LUTSI GROUP MEMBERS: MORGENTHALER MANAGEMENT PARTNERS V, LLC GROUP MEMBERS: ROBERT C. BELLAS GROUP MEMBERS: ROBERT D. PAVEY SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: VOLTERRA SEMICONDUCTOR CORP CENTRAL INDEX KEY: 0001050550 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 943251865 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-80375 FILM NUMBER: 06580615 BUSINESS ADDRESS: STREET 1: 3839 SPINNAKER COURT CITY: FREMONT STATE: CA ZIP: 94538 BUSINESS PHONE: 510-743-1200 MAIL ADDRESS: STREET 1: 3839 SPINNAKER COURT CITY: FREMONT STATE: CA ZIP: 94538 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: MORGENTHALER VENTURE PARTNERS V LP CENTRAL INDEX KEY: 0001138257 IRS NUMBER: 341872532 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 50 PUBLIC SQUARE STREET 2: SUITE 2700 CITY: CLEVELAND STATE: OH ZIP: 44113 BUSINESS PHONE: 2164167500 MAIL ADDRESS: STREET 1: 50 PUBLIC SQUARE STREET 2: SUITE 2700 CITY: CLEVELAND STATE: OH ZIP: 44113 SC 13G 1 volterra.txt SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 Volterra Semiconductor Corporation ----------------------------------------------------------------------------- (Name of Issuer) Common Stock, $0.001 par value per share ----------------------------------------------------------------------------- (Title of Class of Securities) 928708-106 ----------------------------------------------------------------------------- (Cusip Number) 12/31/2005 (FINAL FILING) ----------------------------------------------------------------------------- (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which the Schedule is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] 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. 928708-106 ------------ SCHEDULE 13G - ------------------------------------------------------------------------------ | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | Morgenthaler Venture Partners V 34-1872532 | |-----|----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | Delaware | |-------------------------------|-------|------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 0 | | |-------|------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | 0 | | | | | | PERSON |-------|------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 0 | |-----|----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES (SEE INSTRUCTIONS) [ ] | | | N/A ---- | |-----|----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | | | | 0.0% | |-----|----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | PN | - ------------------------------------------------------------------------------ SCHEDULE 13G - - ----------------------------------------------------------------------------- | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | Morgenthaler Management Partners V 34-1872535 | |-----|-----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|-----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|-----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | Ohio | |-------------------------------|-------|-------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 0 | | |-------|-------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|-------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | | | | | 0 | | PERSON |-------|-------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|-------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 0 | |-----|-----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES (SEE INSTRUCTIONS) [ ] | | | N/A ---- | |-----|-----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | 0.0% | |-----|-----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | PN | - ------------------------------------------------------------------------------- SCHEDULE 13G - ------------------------------------------------------------------------------- | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | Robert D. Pavey | |-----|-----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|-----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|-----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | United States | |-------------------------------|-------|-------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 2,018 (See Item 4) | | |-------|-------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|-------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | | | | | 2,018 (See Item 4) | | PERSON |-------|-------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|-------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 2,018 (See Item 4) | |-----|-----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES (SEE INSTRUCTIONS) [ ] | | | N/A ---- | |-----|-----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | .01% | |-----|-----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | IN | - ------------------------------------------------------------------------------- SCHEDULE 13G - ------------------------------------------------------------------------------- | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | Robert C. Bellas, Jr. | |-----|-----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|-----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|-----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | United States | |-------------------------------|-------|-------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 2,017 (See Item 4) | | |-------|-------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|-------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | | | | | 2,017 (See Item 4) | | PERSON |-------|-------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|-------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 2,017 (See Item 4) | |-----|-----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES (SEE INSTRUCTIONS) [ ] | | | N/A ---- | |-----|-----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | 0.01% | |-----|-----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | IN | - ------------------------------------------------------------------------------- SCHEDULE 13G - ------------------------------------------------------------------------------ | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | Gary J. Morgenthaler | |-----|----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | United States | |-------------------------------|-------|------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 3,028 (See Item 4) | | |-------|------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | 3,028 (See Item 4) | | | | | | PERSON |-------|------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 3,028 (See Item 4) | |-----|----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES [ ] | | | N/A | |-----|----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | | | | 0.01% | |-----|----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | IN | - ------------------------------------------------------------------------------ SCHEDULE 13G - ------------------------------------------------------------------------------ | 1 | NAME OF REPORTING PERSON | | | S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITY ONLY) | | | | | | John D. Lutsi | |-----|----------------------------------------------------------------------| | 2 | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ X ] | | | (SEE INSTRUCTIONS) ---- | | | (b) [ ] | | | ---- | |-----|----------------------------------------------------------------------| | 3 | SEC USE ONLY | | | | |-----|----------------------------------------------------------------------| | 4 | CITIZENSHIP OR PLACE OF ORGANIZATION | | | United States | |-------------------------------|-------|------------------------------------| | NUMBER OF | 5 | SOLE VOTING POWER | | | | | | SHARES | | 2,019 (See Item 4) | | |-------|------------------------------------| | BENEFICIALLY | 6 | SHARED VOTING POWER | | | | | | OWNED BY | | 0 | | |-------|------------------------------------| | EACH | 7 | SOLE DISPOSITIVE POWER | | | | | | REPORTING | | | | | | 2,019 (See Item 4) | | PERSON |-------|------------------------------------| | | 8 | SHARED DISPOSITIVE POWER | | WITH | | | | | | 0 | |-------------------------------|-------|------------------------------------| | 9 | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON | | | | | | 2,019 (See Item 4) | |-----|----------------------------------------------------------------------| | 10 | CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN | | | SHARES (SEE INSTRUCTIONS) [ ] | | | N/A ---- | |-----|----------------------------------------------------------------------| | 11 | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) | | | 0.01% | |-----|----------------------------------------------------------------------| | 12 | TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) | | | | | | IN | - ------------------------------------------------------------------------------ SCHEDULE 13G - ------------ Item 1(a). NAME OF ISSUER: Volterra Semiconductor Corporation Item 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 3839 Spinnaker Court Fremont, CA 94538 Item 2(a). NAMES OF PERSONS FILING: Morgenthaler Venture Partners V (MVP V); Morgenthaler Management Partners V (MMP V), the general partner of MVP V; Robert D. Pavey, Robert C. Bellas, Jr., Gary J. Morgenthaler and John D. Lutsi (collectively, the "General Partners") are partners of MMP V, the general partner of MVP V. Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: The address of the principal business office of MVP V, MMP V and each of the General Partners is: Morgenthaler Venture Partners V, L.P. 50 Public Square Suite 2700 Cleveland, Ohio 44113 Item 2(c). CITIZENSHIP: MVP V is a limited partnership organized under the laws of Delaware and MMP V is a limited partnership organized under the laws of the State of Ohio. Each of the General Partners is a United States citizen. Item 2(d). TITLE OF CLASS OF SECURITIES: Common Stock, $0.001 par value per share Item 2(e). CUSIP NUMBER: 928708-106 Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b), OR 13d-2(b), CHECK WHETHER THE PERSON FILING IS a: (a) [ ] Broker or Dealer registered under Section 15 of the Securities Exchange Act of 1934 (the "Act"). (b) [ ] Bank as defined in Section 3(a)(6) of the Act. (c) [ ] Insurance Company as defined in Section 3(a)( 19) of the Act. (d) [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940. (e) [ ] Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940. (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(f) of the Act. (g) [ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G) of the Act. (h) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(H) of the Act. Not Applicable. Item 4. OWNERSHIP. (a) MVP V is no longer a record owner of shares of Volterra Semiconductor Corportaion. MMP V, in its capacity as the General partner of MVP V, does not own shares in the company. The General Partners of MMPV, Robert D. Pavey, Robert C. Bellas, Gary, J. Morgenthaler and John D. Lutsi each have individual ownership of the company by the shares listed in Item 4c. (b) Percent of Class: (based on 23,700,000 shares of common stock) MVP V: 0.00% MMP V: 0.00% Robert D. Pavey: 0.01% Robert C. Bellas: 0.01% Gary J. Morgenthaler: 0.01% John D. Lutsi: 0.01% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: MVP V: 0 shares MMP V: 0 shares Robert D. Pavey : 2,018 shares Robert C. Bellas: 2,017 shares Gary J. Morgenthaler : 3,028 shares John D. Lutsi: 2,018 shares (ii) shared power to vote or to direct the vote: MVP V: 0 shares MMP V: 0 shares Robert D. Pavey : 0 shares Robert C. Bellas: 0 shares Gary J. Morgenthaler : 0 shares John D. Lutsi: 0 shares (iii) sole power to dispose or direct the disposition of: MVP V: 0 shares MMP V: 0 shares Robert D. Pavey : 2,018 shares Robert C. Bellas: 2,017 shares Gary J. Morgenthaler : 3,028 shares John D. Lutsi: 2,018 shares (iv) shared power to dispose or direct the disposition of: MVP V: 0 shares MMP V: 0 shares Robert D. Pavey : 0 shares Robert C. Bellas: 0 shares Gary J. Morgenthaler : 0 shares John D. Lutsi: 0 shares Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS. This statement is being filed to report that as of December 31, 2005 the reporting person has ceased to be a beneficial owner of more than 5% of the class of securities. 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. Not Applicable. Item 9. NOTICE OF DISSOLUTION OF GROUP. Not Applicable. Item 10. CERTIFICATION. Not Applicable. This statement on Schedule 13G is not filed pursuant to Rule 13d-1(b). By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect. SIGNATURES ---------- After reasonable inquiry and to the best of its knowledge and belief, I certify that the information set forth in this statement is true, complete, and correct. Date: February 6, 2006 MORGENTHALER VENTURE PARTNERS V By: Morgenthaler Management Partners V, LLC By: * ---------------------------------------- General Partner MORGENTHALER MANAGEMENT PARTNERS V, LLC By: * ---------------------------------------- General Partner * ---------------------------------------- Robert D. Pavey * ---------------------------------------- Robert C. Bellas, Jr. * ---------------------------------------- Gary J. Morgenthaler * ---------------------------------------- John D. Lutsi *By: /s/ Theodore A. Laufik --------------------------------------- Theodore A. Laufik Attorney-in-Fact -----END PRIVACY-ENHANCED MESSAGE-----