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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-19-005071
Filing Date
2019-02-27
Accepted
2019-02-27 18:19:52
Documents
1
Period of Report
2019-02-27

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 19021
  Complete submission text file 0000899243-19-005071.txt   23886
Mailing Address 1 SUNSET RIDGE LEXINGTON MA 02173
Business Address
AFEYAN NOUBAR (Reporting) CIK: 0001222012 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639457

Mailing Address
Business Address
KANIA EDWIN M JR (Reporting) CIK: 0001255927 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639458

Mailing Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Fund IV, L.P. (Reporting) CIK: 0001503559 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639452

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 IV General Partner LLC (Reporting) CIK: 0001508051 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639451

Mailing Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02142 617-868-1888
Flagship Ventures Fund 2007, L.P. (Reporting) CIK: 0001508052 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639455

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 2007 General Partner LLC (Reporting) CIK: 0001508053 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639454

Mailing Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02143
Business Address 55 CAMBRIDGE PARKWAY, 8TH FLOOR CAMBRIDGE MA 02143 617-868-1888
Flagship VentureLabs IV, LLC (Reporting) CIK: 0001642578 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639453

Mailing Address 18 CROSBY DRIVE BEDFORD MA 01730
Business Address 18 CROSBY DRIVE BEDFORD MA 01730 617-674-9000
Kaleido Biosciences, Inc. (Issuer) CIK: 0001751299 (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 SUITE 800E CAMBRIDGE MA 02142
Business Address 55 CAMBRIDGE PARKWAY SUITE 800E CAMBRIDGE MA 02142 617-868-1888
Cadena LLC (Reporting) CIK: 0001768776 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38822 | Film No.: 19639456