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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-20-132124
Filing Date
2020-12-03
Accepted
2020-12-03 20:42:00
Documents
1
Period of Report
2020-12-03

Document Format Files

Seq Description Document Type Size
1 3 a3.html 3  
1 3 a3.xml 3 13613
  Complete submission text file 0001104659-20-132124.txt   17903
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.: 001-39746 | Film No.: 201368363

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.: 001-39746 | Film No.: 201368364

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.: 001-39746 | Film No.: 201368367

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.: 001-39746 | Film No.: 201368368

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.: 001-39746 | Film No.: 201368366

Mailing Address 100 BINNEY STREET STE 600 CAMBRIDGE MA 02142
Business Address 100 BINNEY STREET STE 600 CAMBRIDGE MA 02142 617-336-7540
Sigilon Therapeutics, Inc. (Issuer) CIK: 0001821323 (see all company filings)

IRS No.: 474005543 | State of Incorp.: DE | Fiscal Year End: 1231
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.: 001-39746 | Film No.: 201368365