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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000935836-19-000672
Filing Date
2019-12-27
Accepted
2019-12-27 17:02:44
Documents
1

Document Format Files

Seq Description Document Type Size
1 cycn13g.htm SC 13G 48215
  Complete submission text file 0000935836-19-000672.txt   49646
Mailing Address 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103
Business Address 357 TEHAMA STREET #3 SAN FRANCISCO CA 94103 415-448-6534
EcoR1 Capital, LLC (Filed by) CIK: 0001587114 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G

Mailing Address 301 BINNEY STREET CAMBRIDGE MA 02142
Business Address 301 BINNEY STREET CAMBRIDGE MA 02142 617-621-7722
Cyclerion Therapeutics, Inc. (Subject) CIK: 0001755237 (see all company filings)

IRS No.: 831895370 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-90979 | Film No.: 191314076
SIC: 2834 Pharmaceutical Preparations