FMR LLC 13D and 13G filings for Cyclerion Therapeutics, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-05-07 10:42 am Purchase | 2026-04-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | FMR LLC | 649,547 15.000% | 644,807![]() (+13603.52%) | Filing |
| 2025-02-12 09:28 am Sale | 2024-12-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | FMR LLC | 4,740 0.200% | -158,109![]() (-97.09%) | Filing |
| 2024-02-09 08:50 am Sale | 2024-02-08 | 13G | CYCLERION THERAPEUTICS INC CYCN | FMR LLC | 162,849 6.660% | -8,199![]() (-4.79%) | Filing |

