Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000950170-25-032037
Filing Date
2025-03-04
Accepted
2025-03-04 16:15:24
Documents
85
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
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2 EX-4.1 cycn-ex4_1.htm EX-4.1 33792
3 EX-19 cycn-ex19.htm EX-19 83474
4 EX-21.1 cycn-ex21_1.htm EX-21.1 2311
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7 EX-31.2 cycn-ex31_2.htm EX-31.2 14123
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9 EX-32.2 cycn-ex32_2.htm EX-32.2 8274
10 GRAPHIC img152431147_0.jpg GRAPHIC 29803
  Complete submission text file 0000950170-25-032037.txt   9943461

Data Files

Seq Description Document Type Size
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87 EXTRACTED XBRL INSTANCE DOCUMENT cycn-20241231_htm.xml XML 1528239
Mailing Address 301 BINNEY STREET CAMBRIDGE MA 02142
Business Address 301 BINNEY STREET CAMBRIDGE MA 02142 617-621-7722
Cyclerion Therapeutics, Inc. (Filer) CIK: 0001755237 (see all company filings)

EIN.: 831895370 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38787 | Film No.: 25704604
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)