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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-21-030762
Filing Date
2021-07-29
Accepted
2021-07-29 21:00:58
Documents
1
Period of Report
2021-07-29

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 30888
  Complete submission text file 0000899243-21-030762.txt   37378
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.: 001-40657 | Film No.: 211129561

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.: 001-40657 | Film No.: 211129570

Mailing Address 55 CAMBRIDGE PARKWAY CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY CAMBRIDGE MA 02142 617-868-1888
Flagship Pioneering Fund VI, L.P. (Reporting) CIK: 0001716926 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129568

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 Fund VI General Partner LLC (Reporting) CIK: 0001724957 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129569

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.: 001-40657 | Film No.: 211129567

Mailing Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Nutritional Health LTP Fund General Partner LLC (Reporting) CIK: 0001780951 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129564

Mailing Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Nutritional Health LTP Fund, L.P. (Reporting) CIK: 0001780956 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129565

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.: 001-40657 | Film No.: 211129566

Mailing Address 20 ACORN PARK DRIVE CAMBRIDGE MA 02140
Business Address 20 ACORN PARK DRIVE CAMBRIDGE MA 02140 (617) 949-4360
Omega Therapeutics, Inc. (Issuer) CIK: 0001850838 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
FPN General Partner LLC (Reporting) CIK: 0001860059 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129563

Mailing Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
FPN, L.P. (Reporting) CIK: 0001860062 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-40657 | Film No.: 211129562