0001012975-15-000707.txt : 20151023
0001012975-15-000707.hdr.sgml : 20151023
20151023191502
ACCESSION NUMBER: 0001012975-15-000707
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20151014
FILED AS OF DATE: 20151023
DATE AS OF CHANGE: 20151023
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: CytomX Therapeutics, Inc.
CENTRAL INDEX KEY: 0001501989
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 000000000
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 343 OYSTER POINT BLVD.
STREET 2: SUITE 100
CITY: SOUTH SAN FRANCISCO
STATE: CA
ZIP: 94080
BUSINESS PHONE: 650.515.3185
MAIL ADDRESS:
STREET 1: 343 OYSTER POINT BLVD.
STREET 2: SUITE 100
CITY: SOUTH SAN FRANCISCO
STATE: CA
ZIP: 94080
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: TEPPER ROBERT I
CENTRAL INDEX KEY: 0001192595
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173710
MAIL ADDRESS:
STREET 1: 40 LANDSDOWNE STREET
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: STARR KEVIN P
CENTRAL INDEX KEY: 0001192603
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173711
MAIL ADDRESS:
STREET 1: 75 SIDNEY STREET
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: LEVIN MARK J
CENTRAL INDEX KEY: 0001180428
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173712
MAIL ADDRESS:
STREET 1: 40 LANDSDOWNE STREET
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: TRV GP, LLC
CENTRAL INDEX KEY: 0001578973
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173713
BUSINESS ADDRESS:
STREET 1: C/O THIRD ROCK VENTURES
STREET 2: 29 NEWBURY STREET, 3RD FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 617-585-2000
MAIL ADDRESS:
STREET 1: C/O THIRD ROCK VENTURES
STREET 2: 29 NEWBURY STREET, 3RD FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Third Rock Ventures GP, L.P.
CENTRAL INDEX KEY: 0001578976
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173714
BUSINESS ADDRESS:
STREET 1: C/O THIRD ROCK VENTURES
STREET 2: 29 NEWBURY STREET, 3RD FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 617-585-2000
MAIL ADDRESS:
STREET 1: C/O THIRD ROCK VENTURES
STREET 2: 29 NEWBURY STREET, 3RD FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: THIRD ROCK VENTURES LP
CENTRAL INDEX KEY: 0001408591
STATE OF INCORPORATION: DE
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-37587
FILM NUMBER: 151173715
BUSINESS ADDRESS:
STREET 1: 29 NEWBURY STREET
STREET 2: SUITE 401
CITY: BOSTON
STATE: MA
ZIP: 02116
BUSINESS PHONE: 617-859-3099
MAIL ADDRESS:
STREET 1: 29 NEWBURY STREET
STREET 2: SUITE 401
CITY: BOSTON
STATE: MA
ZIP: 02116
4
1
edgar.xml
PRIMARY DOCUMENT
X0306
4
2015-10-14
1
0001501989
CytomX Therapeutics, Inc.
CTMX
0001408591
THIRD ROCK VENTURES LP
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
0001578976
Third Rock Ventures GP, L.P.
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
0001578973
TRV GP, LLC
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
0001180428
LEVIN MARK J
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
0001192603
STARR KEVIN P
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
0001192595
TEPPER ROBERT I
29 NEWBURY STREET, 3RD FLOOR
BOSTON
MA
02116
0
0
1
0
Common Stock
2015-10-14
4
C
0
8670351
A
8670351
D
Series B-1 Preferred Stock
2015-10-14
4
C
0
8105314
0
D
Common Stock
8105314
0
D
Series C Preferred Stock
2015-10-14
4
C
0
565037
0
D
Common Stock
565037
0
D
The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converted into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares converted into Common Stock on a one-for-one basis.
Reflects the conversion of the Issuer's Preferred Stock into Common Stock on a one-for-one basis, which became effective immediately prior to the closing of the Issuer's initial public offering.
The shares are directly held by Third Rock Ventures, L.P. ("TRV"). The general partner of TRV is Third Rock Ventures GP, L.P. ("TRV GP LP"). The general partner of TRV GP LP is TRV GP, LLC ("TRV GP LLC"). The individual managers of TRV GP LLC are Mark Levin ("Levin"), Kevin Starr ("Starr") and Dr. Robert Tepper ("Tepper") and, as such, each of TRV GP LP and TRV GP LLC, Levin, Starr and Tepper exercises shared voting and investment power over the shares held of record by TRV. Each of the Reporting Persons disclaims beneficial ownership of the shares except to the extent of their pecuniary interest therein, if any.
/s/ Kevin Gillis, Chief Financial Officer of TRV GP, LLC, general partner of Third Rock Ventures GP, L.P., general partner of Third Rock Ventures, L.P.
2015-10-23
/s/ Kevin Gillis, Chief Financial Officer of TRV GP, LLC, general partner of Third Rock Ventures GP, L.P.
2015-10-23
/s/ Kevin Gillis, Chief Financial Officer of TRV GP, LLC
2015-10-23
/s/ Kevin Gillis by power of attorney for Mark Levin
2015-10-23
/s/ Kevin Gillis by power of attorney for Kevin Starr
2015-10-23
/s/ Kevin Gillis by power of attorney for Robert I. Tepper
2015-10-23