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Cyclerion Therapeutics, Inc. — Investor Relations & Filings

Ticker · CYCN ISIN · US23255M1053 US Manufacturing
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Filings indexed 338 across all filing types
Latest filing 2026-04-30 Annual Report
Country US United States of America
Listing US CYCN

About Cyclerion Therapeutics, Inc.

https://www.cyclerion.com/

Cyclerion Therapeutics, Inc. is a biopharmaceutical company dedicated to advancing personalized therapeutic approaches for neuropsychiatric disorders. The company's primary focus is on developing a treatment for people with Treatment-Resistant Depression (TRD). Its lead program utilizes a method that combines generic anesthetics with a personalized, biofeedback-driven device. This approach is designed to reset dysregulated brainwave patterns by tailoring the therapy to each patient's specific biological needs, offering a new option for individuals who have not responded to traditional treatments.

Recent filings

Filing Released Lang Actions
10-K/A - Cyclerion Therapeutics, Inc. (0001755237) (Filer)
Annual Report FY 2025
2026-04-30 English
S-4 - Cyclerion Therapeutics, Inc. (0001755237) (Filer)
Regulatory Filings
2026-04-18 English
8-K - Cyclerion Therapeutics, Inc. (0001755237) (Filer)
Regulatory Filings
2026-04-01 English
8-K Filing
Regulatory Filings
2026-02-17 English
8-K
Capital/Financing Update Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a current report used to announce major events or agreements. The text describes the entry into a material definitive agreement (a Collaboration and Option Agreement) and references a press release and investor presentation attached as exhibits. There are no financial statements or detailed financial data presented, nor is this an annual or quarterly report. The document is primarily an announcement of a material agreement and related disclosures, typical of a Capital/Financing Update or similar event. Given the nature of the content—announcement of a collaboration agreement and related investor presentation—the most appropriate classification is Capital/Financing Update (CAP).
2026-01-06 English
8-K
Regulatory Filings Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a current report used to announce unscheduled material events or corporate changes. The content describes a milestone event related to a license agreement and clinical trial initiation, which is an 'Other Event' under Item 8.01. It does not contain financial statements or detailed financial analysis, nor is it a full annual or quarterly report. It is not an earnings release or management discussion. The document is a regulatory announcement of a material event, fitting the category of Regulatory Filings (RNS). The document length is 4736 characters, which is typical for an 8-K filing. Therefore, the appropriate classification is Regulatory Filings (RNS) with high confidence.
2025-12-01 English

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