Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-17-008731
Filing Date
2017-03-27
Accepted
2017-03-27 19:28:16
Documents
1
Period of Report
2017-03-23

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 13316
  Complete submission text file 0000899243-17-008731.txt   17025
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.: 17716496

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.: 17716494

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.: 17716495

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.: 17716499

Mailing Address 151 OYSTER POINT BLVD. SUITE 400 SOUTH SAN FRANCISCO CA 94080
Business Address 151 OYSTER POINT BLVD. SUITE 400 SOUTH SAN FRANCISCO CA 94080 650.515.3185
CytomX Therapeutics, Inc. (Issuer) CIK: 0001501989 (see all company filings)

EIN.: 273521219 | 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.: 17716497

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.: 17716498