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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001012975-15-000707
Filing Date
2015-10-23
Accepted
2015-10-23 19:15:02
Documents
1
Period of Report
2015-10-14

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 14131
  Complete submission text file 0001012975-15-000707.txt   17877
Mailing Address 40 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
LEVIN MARK J (Reporting) CIK: 0001180428 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173712

Mailing Address 40 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
TEPPER ROBERT I (Reporting) CIK: 0001192595 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173710

Mailing Address 75 SIDNEY STREET CAMBRIDGE MA 02139
Business Address
STARR KEVIN P (Reporting) CIK: 0001192603 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173711

Mailing Address 29 NEWBURY STREET SUITE 401 BOSTON MA 02116
Business Address 29 NEWBURY STREET SUITE 401 BOSTON MA 02116 617-859-3099
THIRD ROCK VENTURES LP (Reporting) CIK: 0001408591 (see all company filings)

State of Incorp.: DE
Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173715

Mailing Address 343 OYSTER POINT BLVD. SUITE 100 SOUTH SAN FRANCISCO CA 94080
Business Address 343 OYSTER POINT BLVD. SUITE 100 SOUTH SAN FRANCISCO CA 94080 650.515.3185
CytomX Therapeutics, Inc. (Issuer) CIK: 0001501989 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116
Business Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 617-585-2000
TRV GP, LLC (Reporting) CIK: 0001578973 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173713

Mailing Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116
Business Address C/O THIRD ROCK VENTURES 29 NEWBURY STREET, 3RD FLOOR BOSTON MA 02116 617-585-2000
Third Rock Ventures GP, L.P. (Reporting) CIK: 0001578976 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-37587 | Film No.: 151173714