Cyclerion Therapeutics, Inc. (CYCN)
Nasdaq: CYCN · Pharmaceutical Preparations · Cambridge, MA · filing with the SEC since 2018
Who runs Cyclerion Therapeutics, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Violin Jonathan
Chief Executive Officer and President Exhibit 24 - Power of Attorney. First filing Sep 2026, latest Sep 10, 2026, 0 filings in all.
Officers reporting now
6
of 15 people with a filing in the last fifteen months
Directors reporting now
9
34 people on the record since 2019
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Violin Jonathan | Chief Executive Officer and President Exhibit 24 - Power of Attorney | Sep 2026 | Sep 10, 2026 | none |
| Vignola Mark J. | Chief Financial Officer | Sep 2026 | Sep 10, 2026 | none |
| Leoni Matthew James | Chief Medical Officer | Sep 2026 | Sep 10, 2026 | none |
| Graul Regina Margaret | President and Chief Executive Officer | Dec 2023 | Aug 18, 2026 | none |
| Chicko Rhonda M. | Chief Financial Officer | Mar 2024 | Aug 18, 2026 | none |
| Hecht Peter M | Chief Executive Officer | Apr 2019 | Jul 20, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Fairmount Funds Management LLC | director | Sep 2026 | Sep 10, 2026 | none |
| Fairmount Healthcare Co-Invest Vi L.P. | director | Sep 2026 | Sep 10, 2026 | none |
| Fairmount Healthcare Fund II L.P. | director | Sep 2026 | Sep 10, 2026 | none |
| Gottesdiener Andrew | director | Sep 2026 | Sep 10, 2026 | none |
| Harwin Peter Evan | director | Sep 2026 | Sep 10, 2026 | none |
| Henson Heidi | director | Sep 2026 | Sep 10, 2026 | none |
| Kiselak Tomas | director | Sep 2026 | Sep 10, 2026 | none |
| Pernice Michelle Patricia | director | Sep 2026 | Sep 10, 2026 | none |
| Shah Nimish P | director | Sep 2026 | Sep 10, 2026 | none |
Earlier names on the record22, newest filing first
Higgins Michael J · director · last filing Mar 2025Greenspan David Gerald · 10% owner · last filing Nov 2024Slate Path Capital LP · 10% owner · last filing Nov 2024Katabi Dina · director · last filing Dec 2023Desouza Errol B · director · last filing Dec 2023Hyman Steven · director · last filing Dec 2023Mcguire Terrance · director · last filing Dec 2023Conrades George H · director · last filing Jun 2022Fanucci Marsha · director · last filing Jun 2022Isacson Ole · director · last filing Jun 2022Lovell Stephanie · director · last filing Jun 2022Mendelsohn Michael · director · last filing Jun 2022Gjino Anjeza · officer · last filing Jan 2022Gault Cheryl · officer · last filing Jan 2022Busch Andreas · officer · last filing Jan 2022Churchwell Kevin · director · last filing Jun 2021Wright Christopher I · officer · last filing Mar 2021Currie Mark G · officer · last filing Dec 2020Huyett William · officer · last filing Nov 2020Schulman Amy W · director · last filing Jun 2020Ironwood Pharmaceuticals Inc · 10% owner · last filing Apr 2019Consylman Gina · officer · last filing Mar 2019
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.