CYCN insider transaction filings

Cyclerion Therapeutics, Inc. — 6 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-18. Screen CYCN transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-184CHICKO RHONDA M. — Chief Financial OfficerOption exercise (M): 25,000 @ $2.35 · Option exercise (M): 25,000 (derivative) @ $0EDGAR
2026-08-184Graul Regina Margaret — See Remarks, DirectorOption exercise (M): 55,849 @ $3.30 · Tax withholding (F): 48,629 @ $3.79 · Option exercise (M): 55,849 (derivative) @ $0EDGAR
2026-07-204Hecht Peter M — Director, 10% ownerConversion (C): 351,037 · Conversion (C): 351,037 (derivative)EDGAR
2025-08-114CHICKO RHONDA M. — Chief Financial OfficerGrant/award (A): 25,000 (derivative) @ $0EDGAR
2025-03-274Higgins Michael J — DirectorGrant/award (A): 9,090 @ $2.75EDGAR
2025-03-274Hecht Peter M — Director, 10% ownerGrant/award (A): 181,818 @ $2.75EDGAR

Recent 8-K events — Cyclerion Therapeutics, Inc.

FiledFormItems reportedSource
2026-04-018-K1.01 — Entry into a Material Definitive Agreement
5.01 — Changes in Control of Registrant
5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-178-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-068-K1.01 — Entry into a Material Definitive Agreement
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-018-K8.01 — Other EventsEDGAR
2025-09-238-K1.01 — Entry into a Material Definitive Agreement
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-06-188-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2025-05-078-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2025-03-258-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
9.01 — Financial Statements and Exhibits
EDGAR
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