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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001209191-17-055893
Filing Date
2017-10-04
Accepted
2017-10-04 16:44:24
Documents
1
Period of Report
2017-10-04

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 11857
  Complete submission text file 0001209191-17-055893.txt   16175
Mailing Address THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116
Business Address
GADICKE ANSBERT (Reporting) CIK: 0001134655 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122163

Mailing Address THE JOHN HANCOCK TOWER 200 CLARENDON STREET, 54TH STREET BOSTON MA 02116
Business Address
EVNIN LUKE (Reporting) CIK: 0001134657 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122164

Mailing Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116
Business Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116 (617) 425-9200
MPM BIOVENTURES V GP LLC (Reporting) CIK: 0001482714 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122161

Mailing Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116
Business Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116 (617) 425-9200
MPM BIOVENTURES V LLC (Reporting) CIK: 0001482715 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122160

Mailing Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116
Business Address MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116 (617) 425-9200
MPM BIOVENTURES V, L.P. (Reporting) CIK: 0001482716 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122165

Mailing Address C/O MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116
Business Address C/O MPM ASSET MANAGEMENT 200 CLARENDON STREET, 54TH FLOOR BOSTON MA 02116 617-425-9200
MPM ASSET MANAGEMENT INVESTORS BV5 LLC (Reporting) CIK: 0001541412 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38223 | Film No.: 171122162

Mailing Address 500 BOYLSTON STREET 11TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON STREET 11TH FLOOR BOSTON MA 02116 857-264-4280
RHYTHM PHARMACEUTICALS, INC. (Issuer) CIK: 0001649904 (see all company filings)

IRS No.: 462159271 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations