Real time Form 13D and 13G transaction reports:
- 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.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-10-15 4:30 pm Unchanged | 2026-09-30 | 13G | KORSANA BIOSCIENCES, INC KRSA | J. Wood Capital Advisors LLC | 25,974 0.100% | 0 (Unchanged) | Filing History |
| 2026-10-07 11:47 am Purchase | 2026-09-30 | 13G | KORSANA BIOSCIENCES, INC KRSA | FMR LLC | 3,144,797 6.900% | 3,052,005 (+3289.08%) | Filing History |
| 2026-09-18 7:20 pm Purchase | 2026-09-08 | 13G | KORSANA BIOSCIENCES, INC KRSA | GENERAL ATLANTIC, L.P. | 3,201,131 6.800% | 3,201,131 (New Position) | Filing History |
| 2026-09-16 07:55 am Purchase | 2026-09-09 | 13G | KORSANA BIOSCIENCES, INC KRSA | Wellington Biomedical Innovation Master Investors (Cayman) II, L.P. | 2,775,788 6.100% | 2,775,788 (New Position) | Filing History |
| 2026-09-15 4:56 pm Purchase | 2026-09-08 | 13D | KORSANA BIOSCIENCES, INC KRSA | Venrock Healthcare Capital Partners III, L.P. | 4,552,277 9.900% | 4,552,277 (New Position) | Filing History |
| 2026-09-11 5:25 pm Purchase | 2026-09-08 | 13D | KORSANA BIOSCIENCES, INC KRSA | Fairmount Funds Management LLC | 9,106,420 19.990% | 9,106,420 (New Position) | Filing History |
| 2026-08-14 9:29 pm Purchase | 2026-06-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | ADAR1 Capital Management LLC | 42,680 7.000% | 42,680 (New Position) | Filing History |
| 2026-08-14 06:02 am Purchase | 2026-06-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | BALYASNY ASSET MANAGEMENT L.P. | 45,359 7.330% | 45,359 (New Position) | Filing History |
| 2026-07-20 7:50 pm Sale | 2026-07-16 | 13D | CYCLERION THERAPEUTICS INC CYCN | Peter M. Hecht | 130,034 19.400% | -16,835 (-11.46%) | Filing History |
| 2026-05-07 10:42 am Purchase | 2026-04-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | FMR LLC | 92,792 15.000% | 92,115 (+13606.35%) | Filing History |
| 2025-10-17 4:05 pm Purchase | 2025-03-25 | 13G | CYCLERION THERAPEUTICS INC CYCN | J. Wood Capital Advisors LLC | 25,974 5.400% | 25,974 (New Position) | Filing History |
| 2025-08-14 4:05 pm Sale | 2025-06-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | TYNDALL CAPITAL PARTNERS L P | 22,170 4.800% | -1,370 (-5.82%) | Filing History |
| 2025-05-15 4:15 pm Purchase | 2025-03-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | TYNDALL CAPITAL PARTNERS L P | 23,540 5.100% | 50 (+0.21%) | Filing History |
| 2025-03-28 9:47 pm Purchase | 2025-03-25 | 13D | CYCLERION THERAPEUTICS INC CYCN | Peter M. Hecht | 146,869 27.900% | 26,741 (+22.26%) | Filing History |
| 2025-02-12 3:36 pm Sale | 2024-12-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | MFN Partners Management LP | 0 0.000% | -17,341 (Position Closed) | Filing History |
| 2025-02-12 1:25 pm Unchanged | 2024-12-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | American Endowment Foundation | 19,004 4.910% | 0 (Unchanged) | Filing History |
| 2025-02-12 09:28 am Sale | 2024-12-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | FMR LLC | 677 0.200% | -22,587 (-97.09%) | Filing History |
| 2024-12-06 4:05 pm Sale | 2024-11-30 | 13G | CYCLERION THERAPEUTICS INC CYCN | Slate Path Capital LP | 0 0.000% | -51,126 (Position Closed) | Filing History |
| 2024-07-12 6:17 pm Sale | 2024-07-12 | 13G | CYCLERION THERAPEUTICS INC CYCN | Artal Participations S.a r.l. | 16,594 4.300% | -3,257 (-16.41%) | Filing History |
| 2024-02-14 4:05 pm Purchase | 2023-12-31 | 13G | CYCLERION THERAPEUTICS INC CYCN | TYNDALL CAPITAL PARTNERS L P | 23,490 6.700% | 6,113 (+35.18%) | Filing History |