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 |
| 2025-11-07 4:59 pm Sale | 2025-11-05 | 13D | Sionna Therapeutics, Inc. SION | RA Capital Management, L.P. | 10,071,712 22.600% | -373,610 (-3.58%) | Filing History |
| 2025-10-31 09:48 am Sale | 2025-09-30 | 13G | Sionna Therapeutics, Inc. SION | JPMORGAN CHASE & CO JPM | 0 0.000% | -2,221,188 (Position Closed) | Filing |
| 2025-10-20 9:40 pm Sale | 2025-10-16 | 13D | Sionna Therapeutics, Inc. SION | Atlas Venture Fund XI, L.P. | 2,382,495 5.400% | -503,798 (-17.45%) | Filing History |
| 2025-07-30 1:19 pm Purchase | 2025-06-30 | 13G | Sionna Therapeutics, Inc. SION | JPMORGAN CHASE & CO JPM | 2,221,188 5.000% | 2,221,188 (New Position) | Filing History |
| 2025-06-16 07:37 am Purchase | 2025-06-11 | 13G | Sionna Therapeutics, Inc. SION | Qatar Investment Authority | 2,209,775 5.000% | 2,209,775 (New Position) | Filing History |
| 2025-02-18 8:56 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics, Inc. SION | TPG GP A, LLC | 6,684,962 15.200% | 6,684,962 (New Position) | Filing History |
| 2025-02-18 4:59 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics, Inc. SION | Atlas Venture Fund XI, L.P. | 2,886,293 6.500% | 2,886,293 (New Position) | Filing History |
| 2025-02-18 4:25 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics, Inc. SION | RA Capital Management, L.P. | 10,445,322 23.700% | 10,445,322 (New Position) | Filing History |
| 2025-02-18 4:22 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics, Inc. SION | ENAVATE SCIENCES GP LLC | 2,478,030 5.600% | 2,478,030 (New Position) | Filing History |
| 2025-02-14 4:58 pm Purchase | 2025-02-10 | 13G | Sionna Therapeutics, Inc. SION | VIKING GLOBAL INVESTORS LP | 2,952,754 6.700% | 2,952,754 (New Position) | Filing History |
| 2025-02-13 4:47 pm Purchase | 2025-02-10 | 13D | Sionna Therapeutics, Inc. SION | ORBIMED ADVISORS LLC | 3,704,959 8.400% | 3,704,959 (New Position) | Filing History |