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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-20-029138
Filing Date
2020-10-22
Accepted
2020-10-22 21:05:40
Documents
1
Period of Report
2020-10-22

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 17541
  Complete submission text file 0000899243-20-029138.txt   22967
Mailing Address C/O FLAGSHIP PIONEERING, INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142
Business Address
AFEYAN NOUBAR (Reporting) CIK: 0001222012 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255884

Mailing Address 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 617 868-1888
Flagship Pioneering Inc. (Reporting) CIK: 0001400240 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255883

Mailing Address ONE MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142
Business Address ONE MEMORIAL DRIVE, 7TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Fund V, L.P. (Reporting) CIK: 0001627639 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255880

Mailing Address ONE MEMORIAL DRIVE 7TH FLOOR CAMBRIDGE MA 02142
Business Address ONE MEMORIAL DRIVE 7TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Opportunities Fund I, L.P. (Reporting) CIK: 0001677345 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255881

Mailing Address 55 CAMBRIDGE PARKWAY SUITE 800E CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY SUITE 800E CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Fund V General Partner LLC (Reporting) CIK: 0001724575 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255877

Mailing Address 55 CAMBRIDGE PARKWAY SUITE 800E CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY SUITE 800E CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Opportunities Fund I General Partner LLC (Reporting) CIK: 0001725004 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255878

Mailing Address 55 CAMBRIDGE PARKWAY CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY CAMBRIDGE MA 02142 617-868-1888
Flagship Pioneering Special Opportunities Fund II, L.P. (Reporting) CIK: 0001761283 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255882

Mailing Address 500 TECHNOLOGY SQUARE SUITE 700 CAMBRIDGE MA 02139
Business Address 500 TECHNOLOGY SQUARE SUITE 700 CAMBRIDGE MA 02139 617-586-3100
Foghorn Therapeutics Inc. (Issuer) CIK: 0001822462 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE
SIC: 2834 Pharmaceutical Preparations

Mailing Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Flagship Pioneering Special Opportunities Fund II General Partner LLC (Reporting) CIK: 0001826217 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39634 | Film No.: 201255879