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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-18-020123
Filing Date
2018-07-18
Accepted
2018-07-18 18:08:57
Documents
1
Period of Report
2018-07-18

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 16892
  Complete submission text file 0000899243-18-020123.txt   20288
Mailing Address 40 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
LEVIN MARK J (Reporting) CIK: 0001180428 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38584 | Film No.: 18959177

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

Type: 3 | Act: 34 | File No.: 001-38584 | Film No.: 18959178

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: 3 | Act: 34 | File No.: 001-38584 | Film No.: 18959174

Mailing Address 215 FIRST STREET SUITE 200 CAMBRIDGE MA 02142
Business Address 215 FIRST STREET SUITE 200 CAMBRIDGE MA 02142 617-714-0555
CONSTELLATION PHARMACEUTICALS INC (Issuer) CIK: 0001434418 (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: 3 | Act: 34 | File No.: 001-38584 | Film No.: 18959176

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: 3 | Act: 34 | File No.: 001-38584 | Film No.: 18959175