0001336716-15-000003.txt : 20150302 0001336716-15-000003.hdr.sgml : 20150302 20150302172106 ACCESSION NUMBER: 0001336716-15-000003 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150226 FILED AS OF DATE: 20150302 DATE AS OF CHANGE: 20150302 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: RUBICON PROJECT, INC. CENTRAL INDEX KEY: 0001595974 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370] IRS NUMBER: 208881738 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90094 BUSINESS PHONE: 310-207-0272 MAIL ADDRESS: STREET 1: 12181 BLUFF CREEK DRIVE, 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90094 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: VASAN ROBERT T CENTRAL INDEX KEY: 0001197111 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665960 MAIL ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chaddha Navin CENTRAL INDEX KEY: 0001405494 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665961 MAIL ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Beck James T CENTRAL INDEX KEY: 0001404295 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665962 MAIL ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mayfield Principals Fund XII CENTRAL INDEX KEY: 0001404328 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665963 BUSINESS ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 650-854-5560 MAIL ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MAYFIELD ASSOCIATES FUND XII CENTRAL INDEX KEY: 0001351825 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665964 BUSINESS ADDRESS: STREET 1: 2484 SAND HILL RD CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 650-854-5560 MAIL ADDRESS: STREET 1: 2484 SAND HILL RD CITY: MENLO PARK STATE: CA ZIP: 94025 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mayfield XII Management, L.L.C. CENTRAL INDEX KEY: 0001404329 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665965 BUSINESS ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 650-854-5560 MAIL ADDRESS: STREET 1: 2484 SAND HILL ROAD CITY: MENLO PARK STATE: CA ZIP: 94025 FORMER NAME: FORMER CONFORMED NAME: Mayfield XII Management DATE OF NAME CHANGE: 20070622 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MAYFIELD XII A DELAWARE L P CENTRAL INDEX KEY: 0001336716 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36384 FILM NUMBER: 15665966 BUSINESS ADDRESS: STREET 1: 2484 SAND HILL RD CITY: MENLO PARK STATE: CA ZIP: 94025 BUSINESS PHONE: 650-854-5560 MAIL ADDRESS: STREET 1: 2484 SAND HILL RD CITY: MENLO PARK STATE: CA ZIP: 94025 4 1 edgar.xml PRIMARY DOCUMENT X0306 4 2015-02-26 0001595974 RUBICON PROJECT, INC. RUBI 0001336716 MAYFIELD XII A DELAWARE L P 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 0 0001404329 Mayfield XII Management, L.L.C. 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 1 See Explanation of Responses 0001351825 MAYFIELD ASSOCIATES FUND XII 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 1 See Explanation of Responses 0001404328 Mayfield Principals Fund XII 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 1 1 See Explanation of Responses 0001404295 Beck James T 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 0 1 See Explanation of Responses 0001405494 Chaddha Navin 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 0 1 See Explanation of Responses 0001197111 VASAN ROBERT T 2484 SAND HILL ROAD MENLO PARK CA 94025 0 0 0 1 See Explanation of Responses Common Stock 2015-02-26 4 S 0 144833 19.1593 D 3844539 D Common Stock 2015-02-26 4 S 0 2240 19.1593 D 59451 I By Mayfield Associates Fund XII Common Stock 2015-02-26 4 S 0 2240 19.1593 D 59451 I By Mayfield Principals Fund XII Common Stock 2015-02-27 4 S 0 89640 18.9346 D 3754899 D Common Stock 2015-02-27 4 S 0 1386 18.9346 D 58065 I By Mayfield Associates Fund XII Common Stock 2015-02-27 4 S 0 1386 18.9346 D 58065 I By Mayfield Principals Fund XII The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $19.00 to $19.96, inclusive. The Reporting Persons undertake to provide to The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $18.85 to $19.37, inclusive. The Reporting Persons undertake to provide to The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4. Mayfield XII Management, L.L.C. ("MF XII Management") is the sole general partner of each of Mayfield XII, a Delaware Limited Partnership ("MF XII") and Mayfield Associates Fund XII, a Delaware Limited Partnership ("MF A XII"), and is the sole managing director of Mayfield Principals Fund XII, a Delaware Multiple Series LLC ("MF PF XII"), and in such capacity may be deemed to beneficially own the shares of common stock beneficially held by each of MF XII, MF A XII and MF PF XII. MF XII Management is managed by three managing directors, James T. Beck, Navin Chaddha and Robert T. Vasan, and all action by the managing directors relating to the voting or disposition of the shares of common stock beneficially held by each of MF XII, MF A XII and MF PF XII requires approval of a majority of the managing directors. Each of James T. Beck, Navin Chaddha, and Robert T. Vasan, as the managing directors of MF XII Management, may be deemed to share beneficial ownership of the shares that are beneficially owned by MF XII Management, but each disclaims such beneficial ownership, except to the extent of his pecuniary interest therein. The filing of this statement shall not be deemed an admission that, for the purposes of Section 16 of the Securities Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of equity securities covered by this statement. James T. Beck, Authorized Signatory for Mayfield XII Management, L.L.C., the sole General Partner of Mayfield XII, a Delaware Limited Partnership 2015-03-02 James T. Beck, Authorized Signatory for Mayfield XII Management, L.L.C. 2015-03-02 James T. Beck, Authorized Signatory for Mayfield XII Management, L.L.C., the sole General Partner of Mayfield Associates Fund XII, a Delaware Limited Partnership 2015-03-02 James T. Beck, Authorized Signatory for Mayfield XII Management, L.L.C., the Managing Director of Mayfield Principals Fund XII, a Delaware Multiple Series LLC 2015-03-02 James T. Beck 2015-03-02 James T. Beck, Attorney-In-Fact for Navin Chaddha 2015-03-02 James T. Beck, Attorney-In-Fact for Robert T. Vasan 2015-03-02