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Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001493152-23-031649
Filing Date
2023-09-05
Accepted
2023-09-05 16:05:07
Documents
1

Document Format Files

Seq Description Document Type Size
1 formsc13g.htm SC 13G 73179
  Complete submission text file 0001493152-23-031649.txt   74658
Mailing Address 150 EAST 58TH STREET 14TH FLOOR NEW YORK NY 10155
Business Address 150 EAST 58TH STREET 14TH FLOOR NEW YORK NY 10155 212-446-2466
TYNDALL CAPITAL PARTNERS L P (Filed by) CIK: 0001219314 (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.: 231235714
SIC: 2834 Pharmaceutical Preparations