Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-20-026194
Filing Date
2020-09-23
Accepted
2020-09-23 19:12:48
Documents
1
Period of Report
2020-09-21

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 30654
  Complete submission text file 0000899243-20-026194.txt   35444
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: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193141

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: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193139

Mailing Address THE JOHN HANCOCK TOWER 200 CLARENDON STREET 54TH FLOOR BOSTON MA 02116
Business Address
Foley Todd (Reporting) CIK: 0001473930 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193140

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM BIOVENTURES 2018 (B), L.P. (Reporting) CIK: 0001729504 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193135

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM BIOVENTURES 2018, L.P. (Reporting) CIK: 0001729505 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193134

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9200
MPM ASSET MANAGEMENT INVESTORS BV2018 LLC (Reporting) CIK: 0001734817 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193136

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9206
MPM BioVentures 2018 GP LLC (Reporting) CIK: 0001818701 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193137

Mailing Address 450 KENDALL STREET CAMBRIDGE MA 02142
Business Address 450 KENDALL STREET CAMBRIDGE MA 02142 617-425-9206
MPM BioVentures 2018 LLC (Reporting) CIK: 0001818702 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-39509 | Film No.: 201193138

Mailing Address 830 WINTER STREET WALTHAM MA 02451
Business Address 830 WINTER STREET WALTHAM MA 02451 (781) 786-8230
Dyne Therapeutics, Inc. (Issuer) CIK: 0001818794 (see all company filings)

EIN.: 364883909 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations