Cyclerion Therapeutics Inc

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Cyclerion Therapeutics Inc
CIK #0001755237
EDGAR Form CIK 2011 - 2026
10-K [0001755237]
10-Q [0001755237]
3 [0001755237]
4 [0001755237]
8-K [0001755237]
D [0001755237]
SC 13D [0001755237]
SC 13G [0001755237]
Form 13D/13G Filer Form 13D/13G Subject Filed
FMR LLC Cyclerion Therapeutics Inc [2026-05-07]
J Wood Capital Advisors LLC Cyclerion Therapeutics Inc [2025-10-17]
Tyndall Capital Partners L P Cyclerion Therapeutics Inc [2023-09-05]
Slate Path Capital LP Cyclerion Therapeutics Inc [2023-01-13]
Slate Path Capital LP Cyclerion Therapeutics Inc [2022-10-21]
Hecht Peter M Cyclerion Therapeutics Inc [2021-05-14]
MFN Partners Management LP Cyclerion Therapeutics Inc [2021-02-12]
Slate Path Capital LP Cyclerion Therapeutics Inc [2020-08-10]
American Endowment Foundation Cyclerion Therapeutics Inc [2020-02-14]
FMR LLC Cyclerion Therapeutics Inc [2020-02-07]
View All
Form 3/4/5 Subject 2011 - 2026
Cyclerion Therapeutics Inc
Chicko Rhonda M
Hecht Peter M
Higgins Michael J
Greenspan David Gerald
Slate Path Capital LP
Graul Regina Margaret
Katabi Dina
Desouza Errol B
Hyman Steven
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2025-08-07 Grant 25,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2025-03-25 Grant 9,090 $2.75 24,998
Cyclerion Therapeutics Inc CYCN
Common Stock
2025-03-25 Grant 181,818 $2.75 500,000
Cyclerion Therapeutics Inc CYCN
Common Stock, no par value
2024-11-21 Sell 357,880 $1.55 554,714
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2024-08-05 Grant 55,849 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2024-01-01 Grant 15,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2024-01-01 Grant 50,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-12-01 Grant 15,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-11-30 Grant 20,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-11-30 Grant 5,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-11-30 Grant 30,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-11-30 Grant 20,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-11-30 Grant 20,000 $0.00
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-08-09 Sell 8 $3.40 27
Cyclerion Therapeutics Inc CYCN
Common Stock
2023-05-19 Grant 225,000 $8.68 1,953,000
Cyclerion Therapeutics Inc CYCN
Series A Convertible Preferred Stock · derivative
2023-05-19 Grant 351,037 $8.68 3,047,001
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2022-07-25 Grant 57,753 $0.00
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2022-06-14 Grant 20,000 $0.00
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2022-06-14 Grant 20,000 $0.00
Cyclerion Therapeutics Inc CYCN
Stock Option (Right to Buy) · derivative
2022-06-14 Grant 20,000 $0.00
showing 20 of 133 most recent transactions
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