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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001564590-21-008434
Filing Date
2021-02-25
Accepted
2021-02-25 07:35:55
Documents
76
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K cycn-10k_20201231.htm 10-K 2399292
2 EX-4.1 cycn-ex41_12.htm EX-4.1 23428
3 EX-21.1 cycn-ex211_11.htm EX-21.1 1330
4 EX-23.1 cycn-ex231_10.htm EX-23.1 7845
5 EX-31.1 cycn-ex311_9.htm EX-31.1 9957
6 EX-31.2 cycn-ex312_8.htm EX-31.2 10163
7 EX-32.1 cycn-ex321_6.htm EX-32.1 5666
8 EX-32.2 cycn-ex322_7.htm EX-32.2 5686
9 GRAPHIC guuxs1oeut4v000001.jpg GRAPHIC 82935
  Complete submission text file 0001564590-21-008434.txt   9104287

Data Files

Seq Description Document Type Size
10 XBRL INSTANCE DOCUMENT cycn-20201231.xml EX-101.INS 1937980
11 XBRL TAXONOMY EXTENSION SCHEMA cycn-20201231.xsd EX-101.SCH 62669
12 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE cycn-20201231_cal.xml EX-101.CAL 60692
13 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE cycn-20201231_def.xml EX-101.DEF 223654
14 XBRL TAXONOMY EXTENSION LABEL LINKBASE cycn-20201231_lab.xml EX-101.LAB 538709
15 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cycn-20201231_pre.xml EX-101.PRE 411995
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)

IRS No.: 831895370 | State of Incorp.: MA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38787 | Film No.: 21676432
SIC: 2834 Pharmaceutical Preparations